{"product_id":"pfps-3bl","title":"PFPS-3BL - PowerFit 400 A Panel Source, L3 (Phase C) Blue (Multiple conventions)","description":"\u003c!--Combined Shopify product HTML for PFPS-3BL --\u003e\u003cstyle\u003e.kupo-section-title { margin: 1.25rem 0 1rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.3; color: #2C3E50 !important; letter-spacing: 0;}.product-description h3 { color: #2C3E50 !important; font-size: 18px !important; font-weight: bold; margin-top: 1.5rem; margin-bottom: 0.75rem; line-height: 1.35; letter-spacing: 0;}.product-description,.product-description p,.product-description li { color: #222222 !important;}.kupo-faq-seo-block { margin: 3rem 0 0 0; padding: 0; border: 0; background: transparent; box-sizing: border-box;}.kupo-faq-seo-block h2 { margin: 0 0 1.6rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.4; color: #2C3E50 !important;}.kupo-faq-seo-item h3 { margin: 0 0 0.35rem 0; font-size: 17px !important; font-weight: 600; line-height: 1.45; color: #2C3E50 !important;}.kupo-faq-seo-item p { margin: 0; line-height: 1.6; color: #222222 !important;}.kupo-download-section { margin: 2rem 0 0 0; padding: 0; border: 0; background: transparent; box-sizing: border-box;}.kupo-download-section h2 { margin: 0 0 1rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.4; color: #2C3E50 !important;}.kupo-download-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 16px !important; line-height: 1.5; color: #111111 !important; font-weight: 600; text-decoration: underline;}\u003c\/style\u003e\u003ch2 class=\"kupo-section-title\"\u003eProduct Description\u003c\/h2\u003e\u003c!-- PowerFit 400 A Panel Source Connector (Blue) | PFPS-3BL | 2026-03-23 --\u003e\u003cdiv class=\"product-description\" data-sku=\"PFPS-3BL\" data-color=\"Blue\"\u003e \u003ch3\u003eOverview\u003c\/h3\u003e \u003cp\u003eBlue identifies the L3 (Phase C) conductor across multiple international electrical standards, making it one of the most universally recognized phase colors in three-phase power systems. The PowerFit 400 A Panel Source in blue serves installations from concert touring rigs to permanent industrial switchgear, providing a dual-rated 400 A\/660 A source interface inlet with IP67 environmental protection when mated. The silver-plated brass contact achieves 0.1 mOhms resistance for minimal heat generation at full rated current, and the plastic end cap provides IP 2X finger protection when the connector is unmated.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e   \u003cli\u003e400 A continuous current capacity at 120 mm² cable; 660 A continuous at 240 mm² cable for heavy-duty applications\u003c\/li\u003e   \u003cli\u003eSource interface design provides the power source pin for mating with Line Drain or Panel Drain connectors\u003c\/li\u003e   \u003cli\u003ePatent key-release pin with POM (Polyoxymethylene) cotter pin enables tool-free disconnection without risking contact damage\u003c\/li\u003e   \u003cli\u003eM12 threaded post with brass nut and spring washer for permanent, vibration-resistant panel installation\u003c\/li\u003e   \u003cli\u003e Four diameter 5.5 mm fixing holes on flange (42 mm x 42 mm cut-out dimension) ensure secure mechanical mounting\u003c\/li\u003e   \u003cli\u003ePlastic end cap over source interface provides IP 2X finger protection against electric shock when unmated\u003c\/li\u003e   \u003cli\u003ePush-and-twist locking mechanism maintains positive mechanical engagement across 500 rated mating cycles\u003c\/li\u003e   \u003cli\u003eBrass contact with silver plating delivers 0.1 mOhms contact resistance for minimal voltage drop and heat generation\u003c\/li\u003e   \u003cli\u003eNon-conductive thermoplastic housing rated UL94-V0 flame retardant for safety-critical installations\u003c\/li\u003e   \u003cli\u003eIP67 rating when mated ensures protection against water and dust ingress in outdoor or washdown environments\u003c\/li\u003e   \u003cli\u003e1000 V AC \/ 1500 V DC maximum voltage rating with 4500 V AC dielectric test voltage for substantial safety margins\u003c\/li\u003e   \u003cli\u003eMaximum nut torque: 12 to 14 N\/meter for proper fastening without over-tightening\u003c\/li\u003e  \u003c\/ul\u003e \u003ch3\u003eStandards\u003c\/h3\u003e \u003cp\u003eTUV Rheinland certified (ID 1111303479) - Type Approved, Safety, Regular Production Surveillance; CE marked for European market compliance; RoHS (Restriction of Hazardous Substances) compliant; REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) compliant; UL94-V0 flame retardancy classification for the housing material; IP67 environmental protection rating while mated (dust-tight, resistant to temporary submersion); Short circuit capacity: Up to 35.5 kiloamperes; Insulation resistance: Greater than 5000 MOhms at 500 V AC; Working temperature range: 45 to 85 °C. Match standards and compliance requirements to the local electrical code before installation.\u003c\/p\u003e \u003ch3\u003eApplications\u003c\/h3\u003e \u003cp\u003eSuitable for complete three-phase power distribution systems requiring all three phase inlets, motor drive panels and variable frequency drive (VFD) enclosures in industrial automation, large-scale lighting and sound system power distribution for arena touring, welding power supply panels and high-current industrial process equipment, marine and shipboard power distribution systems with environmental sealing requirements, portable substation panels for utility and emergency power deployment, and commercial kitchen and HVAC equipment power connection points.\u003c\/p\u003e \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003eThe PowerFit 400 A Panel Source connector is compatible with major brands of single-pole power connector systems. Its M12 threaded post interface and push-and-twist mating mechanism with key-release pin ensure standardized connection geometry across certified suppliers. The source interface mates with PowerFit Line Drain and Panel Drain connectors. Verify mechanical and electrical specifications with your mating connector manufacturer to check impedance matching and safe operating parameters. Use the color-coded and mechanically keyed design as a visual safeguard to prevent cross-phase connection errors during installation or reconfiguration.\u003c\/p\u003e \u003ch3\u003ePhase \/ Wire Color Convention\u003c\/h3\u003e  \u003cdiv style=\"overflow-x: auto; -webkit-overflow-scrolling: touch;\"\u003e\u003ctable style=\"width: 100%; min-width: 540px; border-collapse: collapse; margin: 12px 0; border: 2px solid #999999;\"\u003e\n\u003cthead\u003e\u003ctr\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: left; padding-left: 14px; border: 1px solid #cccccc; border-top: 2px solid #999999; border-left: 2px solid #999999; font-size: 14px; width: 22%;\"\u003eRegion\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; font-size: 14px; width: 13%;\"\u003eL1\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; font-size: 14px; width: 13%;\"\u003eL2\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; font-size: 14px; width: 13%;\"\u003eL3\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; font-size: 14px; width: 13%;\"\u003eN\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; border-right: 2px solid #999999; font-size: 14px; width: 26%;\"\u003eGround\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999;\"\u003eNA 120\/208 V \u003csup\u003e1\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: #222222; height: 38px; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: # CC0000; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #003399; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #ffffff; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999;\"\u003eGreen \/ G-Y\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999;\"\u003eNA 277\/480 V \u003csup\u003e2\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: #8B4513; height: 38px; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: # CC6600; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #DAA520; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #888888; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999;\"\u003eGreen \/ G-Y\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999;\"\u003eIEC 60446 \u003csup\u003e3\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: #8B4513; height: 38px; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #222222; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #888888; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #003399; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999;\"\u003eGreen-Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999;\"\u003eAU\/NZ Legacy \u003csup\u003e4\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: # CC0000; height: 38px; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #ffffff; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #003399; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #222222; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999;\"\u003eGreen-Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999; border-bottom: 2px solid #999999;\"\u003e China \u003csup\u003e5\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: #DAA520; height: 38px; border: 1px solid #cccccc; border-bottom: 2px solid #999999;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; border: 1px solid #cccccc; border-bottom: 2px solid #999999;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: # CC0000; border: 1px solid #cccccc; border-bottom: 2px solid #999999;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #4682B4; border: 1px solid #cccccc; border-bottom: 2px solid #999999;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999; border-bottom: 2px solid #999999;\"\u003eGreen-Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e  \u003cp style=\"font-size: 12px; color: #555555; line-height: 1.6; margin-top: 6px;\"\u003e\u003csup style=\"color: #555; font-weight: bold;\"\u003e1\u003c\/sup\u003e North America 120\/208 V (NEMA \/ NEC)   \u003csup style=\"color: #555; font-weight: bold;\"\u003e2\u003c\/sup\u003e North America 277\/480 V (NEMA \/ NEC)   \u003csup style=\"color: #555; font-weight: bold;\"\u003e3\u003c\/sup\u003e Europe, UK, Australia (current IEC 60446)\u003cbr\u003e\u003csup style=\"color: #555; font-weight: bold;\"\u003e4\u003c\/sup\u003e Australia \/ New Zealand legacy (pre-IEC)   \u003csup style=\"color: #555; font-weight: bold;\"\u003e5\u003c\/sup\u003e China (GB 50303)   \u003cstrong\u003eG-Y\u003c\/strong\u003e = Green-Yellow (earth\/ground)\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"PFPS-3BL | PowerFit 400 A Panel Source, L3 (Phase C) Blue (Multiple conventions)\",  \"description\": \"KUPO PowerFit 400 A Panel Source single-pole connector with blue housing for Multiple conventions power distribution systems. Source interface, M12 threaded post mount, patent key-release pin for safe disconnection, IP67 rated when mated, silver-plated brass contacts, dual-rated 400 A\/660 A, 1000 V AC \/ 1500 V DC maximum, TUV certified.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. LTD\",    \"url\": \"https:\/\/www.kupopower.com\"  },  \"category\": \"Electrical Connectors \u003e Panel-Mount Connectors \u003e PowerFit\",  \"sku\": \"PFPS-3BL\",  \"mpn\": \"PFPS-3BL\",  \"color\": \"Blue\",  \"material\": \"Thermoplastic, UL94-V0; Brass (silver-plated)\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Current Rating\",      \"value\": \"400 A maximum\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Voltage Rating\",      \"value\": \"1000 V AC, 1500 V DC maximum\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Connector Style\",      \"value\": \"Panel mount\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Source \/ Drain\",      \"value\": \"Source\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Color Coding\",      \"value\": \"Blue (L3)\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Housing Material\",      \"value\": \"Thermoplastic, UL94-V0\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Contact Material\",      \"value\": \"Brass (silver-plated)\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Protection Rating\",      \"value\": \"IP67 when mated\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Compatibility\",      \"value\": \"Major single-pole power connectors\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Certification\",      \"value\": \"CE \/ TUV\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Termination\",      \"value\": \"M12 threaded post\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Panel Mount\",      \"value\": \"42 x 42 mm cut-out, 4 x 5.5 mm holes\"    }  ],  \"productID\": \"PFPS-3BL\"}\u003c\/script\u003e\u003csection class=\"kupo-faq-seo-block\" data-product-id=\"PFPS-3BL\" data-category=\"PowerFit 400 A Connectors\"\u003e \u003ch2\u003e Frequently Asked Questions\u003c\/h2\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhere is PFPS-3BL typically installed and what does it feed?\u003c\/h3\u003e  \u003cp\u003ePFPS-3BL is a KUPO PowerFit 400 A panel source connector with a blue housing, identifying Line 3 (L3) under Multiple conventions (NEC, Australian, UK Old) conventions. Mounted permanently at generator outputs, main panels, and power supply enclosures, it is the origin point from which power flows outward through the PowerFit system. Despite being panel-mounted, it retains the key-release mechanism for convenient field disconnection. It is commonly deployed in emergency and disaster response applications. Emergency power deployment happens in the worst possible conditions: flooded areas, debris fields, extreme weather.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat are the power handling specifications of PFPS-3BL?\u003c\/h3\u003e  \u003cp\u003ePFPS-3BL is rated for 400 amperes continuous with 120 mm² cable, scaling to 660 amperes with 240 mm² cable. The maximum voltage rating is 1000 V AC or 1500 V DC. The insulation resistance exceeds 5000 megaohms at 500 V AC, and the test voltage rating of 4500 V AC provides substantial safety margin. The short circuit rating of up to 35.5 kiloamperes means the connector can withstand fault conditions without catastrophic failure.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat does the blue housing on PFPS-3BL represent under Multiple conventions (NEC, Australian, UK Old) standards?\u003c\/h3\u003e  \u003cp\u003eBlue as L3 enjoys unusually broad cross-convention agreement. It represents L3 in North American NEC (black\/red\/blue), Australian (red\/white\/blue), and old UK (red\/yellow\/blue) standards. This makes blue L3 one of the most universally understood phase colors in the world. On the Panel Source, the blue housing is visible on the connector face at the power origin point. Color coding at the source end of the distribution chain is especially important because phase assignment errors at the panel propagate through every downstream connection. The dual identity of blue (L3 in NEC\/Australian vs Neutral in IEC) makes proper phase-encoded labeling essential on international projects.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eHow is PFPS-3BL certified for use as a power source connector?\u003c\/h3\u003e  \u003cp\u003ePFPS-3BL is TUV Rheinland certified (ID 1111303479) under Type Approval, Safety, and Regular Production Surveillance categories. It also carries CE marking, RoHS compliance (Restriction of Hazardous Substances), and REACH compliance. The housing material achieves a UL94-V0 flammability rating, which is the highest classification for vertical flame resistance in plastics, meaning the material self-extinguishes within 10 seconds with no flaming drips. As the power origin point, the Panel Source undergoes the same TUV safety evaluation as the full PowerFit system, including the key-release mechanism and panel-mount retention.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003e Can PFPS-3BL work alongside connectors from other brands in a distribution panel?\u003c\/h3\u003e  \u003cp\u003ePowerFit connectors are designed to be compatible with major brands of single-pole power connector. Color-coded phase identification reduces the training needed for correct connection, the push-and-twist mechanism is intuitive even under stress, and IP67 protection means the connectors function in standing water. For L3 circuits using Multiple conventions (NEC, Australian, UK Old) color conventions, the blue PFPS-3BL ensures that phase identification remains consistent when mixing PowerFit connectors with existing inventory.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat makes PFPS-3BL installation straightforward for permanent power sources?\u003c\/h3\u003e  \u003cp\u003eThe PFPS-3BL mounts through a 42 x 42 mm panel cutout using four 5.5 mm fixing holes. The M12 threaded post secures to the panel with the included brass nut and washer at 12 to 14 N\/m maximum torque. Despite being a permanent panel-mount connector, PFPS-3BL retains the PowerFit key-release mechanism, allowing field technicians to disconnect mating Line Drain connectors without tools. IP 2X finger protection and a plastic end cap protect the contacts when no mating connector is present. The Panel Source has a 55.3 mm flange width and 50.7 mm total depth, with a 42.5 mm body diameter. It is shallower than the Panel Drain, requiring less clearance behind the panel.\u003c\/p\u003e \u003c\/div\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Where is PFPS-3BL typically installed and what does it feed?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PFPS-3BL is a KUPO PowerFit 400 A panel source connector with a blue housing, identifying Line 3 (L3) under Multiple conventions (NEC, Australian, UK Old) conventions. Mounted permanently at generator outputs, main panels, and power supply enclosures, it is the origin point from which power flows outward through the PowerFit system. Despite being panel-mounted, it retains the key-release mechanism for convenient field disconnection. It is commonly deployed in emergency and disaster response applications. Emergency power deployment happens in the worst possible conditions: flooded areas, debris fields, extreme weather.\"}}, {\"@type\": \"Question\", \"name\": \"What are the power handling specifications of PFPS-3BL?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PFPS-3BL is rated for 400 amperes continuous with 120 mm² cable, scaling to 660 amperes with 240 mm² cable. The maximum voltage rating is 1000 V AC or 1500 V DC. The insulation resistance exceeds 5000 megaohms at 500 V AC, and the test voltage rating of 4500 V AC provides substantial safety margin. The short circuit rating of up to 35.5 kiloamperes means the connector can withstand fault conditions without catastrophic failure.\"}}, {\"@type\": \"Question\", \"name\": \"What does the blue housing on PFPS-3BL represent under Multiple conventions (NEC, Australian, UK Old) standards?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Blue as L3 enjoys unusually broad cross-convention agreement. It represents L3 in North American NEC (black\/red\/blue), Australian (red\/white\/blue), and old UK (red\/yellow\/blue) standards. This makes blue L3 one of the most universally understood phase colors in the world. On the Panel Source, the blue housing is visible on the connector face at the power origin point. Color coding at the source end of the distribution chain is especially important because phase assignment errors at the panel propagate through every downstream connection. The dual identity of blue (L3 in NEC\/Australian vs Neutral in IEC) makes proper phase-encoded labeling essential on international projects.\"}}, {\"@type\": \"Question\", \"name\": \"How is PFPS-3BL certified for use as a power source connector?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PFPS-3BL is TUV Rheinland certified (ID 1111303479) under Type Approval, Safety, and Regular Production Surveillance categories. It also carries CE marking, RoHS compliance (Restriction of Hazardous Substances), and REACH compliance. The housing material achieves a UL94-V0 flammability rating, which is the highest classification for vertical flame resistance in plastics, meaning the material self-extinguishes within 10 seconds with no flaming drips. As the power origin point, the Panel Source undergoes the same TUV safety evaluation as the full PowerFit system, including the key-release mechanism and panel-mount retention.\"}}, {\"@type\": \"Question\", \"name\": \"Can PFPS-3BL work alongside connectors from other brands in a distribution panel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PowerFit connectors are designed to be compatible with major brands of single-pole power connector. Color-coded phase identification reduces the training needed for correct connection, the push-and-twist mechanism is intuitive even under stress, and IP67 protection means the connectors function in standing water. For L3 circuits using Multiple conventions (NEC, Australian, UK Old) color conventions, the blue PFPS-3BL ensures that phase identification remains consistent when mixing PowerFit connectors with existing inventory.\"}}, {\"@type\": \"Question\", \"name\": \"What makes PFPS-3BL installation straightforward for permanent power sources?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PFPS-3BL mounts through a 42 x 42 mm panel cutout using four 5.5 mm fixing holes. The M12 threaded post secures to the panel with the included brass nut and washer at 12 to 14 N\/m maximum torque. Despite being a permanent panel-mount connector, PFPS-3BL retains the PowerFit key-release mechanism, allowing field technicians to disconnect mating Line Drain connectors without tools. IP 2X finger protection and a plastic end cap protect the contacts when no mating connector is present. The Panel Source has a 55.3 mm flange width and 50.7 mm total depth, with a 42.5 mm body diameter. It is shallower than the Panel Drain, requiring less clearance behind the panel.\"}}]}\u003c\/script\u003e\u003csection class=\"kupo-download-section\" data-product-id=\"PFPS-3BL\"\u003e \u003ch2\u003eDownload\u003c\/h2\u003e \u003ca class=\"kupo-download-link\" href=\"https:\/\/pub-87314d729f334121b80f91e16c4e7f60.r2.dev\/PFPS-3BL.pdf\" target=\"_blank\" rel=\"noopener\" download\u003e  Download PFPS-3BL Spec Sheet (PDF) \u003c\/a\u003e\u003c\/section\u003e","brand":"KUPO Stage","offers":[{"title":"PowerFit \/ 400A \/ Panel Source","offer_id":53907619217707,"sku":"PFPS-3BL","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/PFPS-3BL_b.jpg?v=1782112236","url":"https:\/\/kupostage.com\/products\/pfps-3bl","provider":"KUPO Stage","version":"1.0","type":"link"}