{"product_id":"pfls-2y-s120m40a","title":"PFLS-2Y-S120M40A - PowerFit 400 A Line Source, L2 (Phase B) Yellow (UK (Old Standard))","description":"\u003c!--Combined Shopify product HTML for PFLS-2Y-S120M40A --\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 Line Source Connector (Yellow) | PFLS-2Y-S120M40A | 2026-03-23 --\u003e\u003cdiv class=\"product-description\" data-sku=\"PFLS-2Y-S120M40A\" data-color=\"Yellow\"\u003e \u003ch3\u003eOverview\u003c\/h3\u003e \u003cp\u003eThe PFLS-2Y-S120M40A bridges legacy UK electrical infrastructure with modern safety and performance. Designed for installations using older IEE wiring conventions where yellow designates L2 phase, this Line Source connector delivers 400 A continuous capacity with the innovation of a patent key-release pin and push-and-twist mating interface. Yellow phase identification ensures compatibility with heritage installations, touring equipment pre-wired to IEE standards, and mixed-vintage systems where gradual migration to current standards is underway. Source interface design and tool-free disconnection make field servicing seamless.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSource interface with Patent Key-Release Pin:\u003c\/strong\u003e Proprietary disconnect mechanism eliminates the need for CAM tools or field adjustment - simply push and twist to mate, engage the key-release pin to disconnect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush-and-Twist Connection Method:\u003c\/strong\u003e Intuitive, repeatable mating procedure with no complex alignment or calibration required during setup or teardown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact POM Cotter Pin:\u003c\/strong\u003e Shorter polyoxymethylene pin optimized for Source variants; removable and re-seatable with a small slotted screwdriver if field maintenance becomes necessary.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 A Continuous Rating:\u003c\/strong\u003e Rated for 400 A with 120 mm² cable; supports 660 A configurations using 240 mm² cable options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 Sealed Connection:\u003c\/strong\u003e Full environmental protection when mated - suitable for outdoor event stages, weather-exposed touring rigs, and damp indoor venues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Cable Management:\u003c\/strong\u003e M40 x 1.5 cable gland with nylon\/rubber sealing and 22 mm\/33 mm ID bushing options ensures strain relief across conductor sizes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eStandards\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eTÜV Rheinland:\u003c\/strong\u003e Certified (ID 1111303479) - Type Approval, Safety, Regular Production Surveillance; \u003cstrong\u003eCE Marking:\u003c\/strong\u003e Full European Union authorization; \u003cstrong\u003eRoHS \u0026amp; REACH:\u003c\/strong\u003e Hazardous substance compliance confirmed; \u003cstrong\u003eUK Legacy Compatibility:\u003c\/strong\u003e Yellow L2 phase identification aligns with IEE wiring color convention used in pre-2004 UK installations. Match standards and compliance requirements to the local electrical code before installation.\u003c\/p\u003e \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003eThe PFLS-2Y-S120M40A (Line Source, source interface) mates directly with PFLD-2Y-S120M40A (Line Drain, drain interface) and PFPD-2Y (Panel Drain) connectors. This connector is compatible with major brands of single-pole power connector systems. Maintain yellow L2 phase consistency throughout circuits to prevent cross-phasing errors and equipment damage. When integrating with modern BS 7909 systems (which use black for L2), implement clear labeling and safety procedures to prevent accidental misconnection.\u003c\/p\u003e \u003ch3\u003eApplications\u003c\/h3\u003e \u003cp\u003eSuitable for three-phase power source connections requiring dedicated L2 feed lines, entertainment dimmer rack and lighting control source power feeds, industrial manufacturing source power connections with three-phase requirements, power distribution source connections for mining and heavy industry operations, festival and outdoor event source power feeds with weather-exposed installations, generator paralleling output connections requiring per-phase source management, and UPS and bypass panel source power cabling for critical infrastructure.\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\": \"PFLS-2Y-S120M40A | PowerFit 400 A Line Source, L2 (Phase B) Yellow (UK (Old Standard))\",  \"description\": \"KUPO PowerFit 400 A Line Source single-pole connector with yellow housing for UK (Old Standard) power distribution systems. Source interface, patent key-release pin for safe disconnection, M40 cable gland with sealing bushing, 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 Single-Pole Connectors \u003e PowerFit\",  \"sku\": \"PFLS-2Y-S120M40A\",  \"mpn\": \"PFLS-2Y-S120M40A\",  \"color\": \"Yellow\",  \"material\": \"Thermoplastic, UL94-V0; Brass (silver-plated)\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Current Rating\",      \"value\": \"400 A maximum (120 mm² cable)\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Voltage Rating\",      \"value\": \"1000 V AC, 1500 V DC maximum\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Connector Style\",      \"value\": \"Line \/ inline\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Source \/ Drain\",      \"value\": \"Source\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Color Coding\",      \"value\": \"Yellow (L2)\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Cable Accommodation\",      \"value\": \"120 mm²; M40 gland + bushing\"    },    {      \"@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\": \"Double set screws, 10.5 N\/meter min.\"    }  ],  \"productID\": \"PFLS-2Y-S120M40A\"}\u003c\/script\u003e\u003csection class=\"kupo-faq-seo-block\" data-product-id=\"PFLS-2Y-S120M40A\" data-category=\"PowerFit 400 A Connectors\"\u003e \u003ch2\u003e Frequently Asked Questions\u003c\/h2\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat is the purpose of PFLS-2Y-S120M40A in a PowerFit distribution setup?\u003c\/h3\u003e  \u003cp\u003ePFLS-2Y-S120M40A is a KUPO PowerFit 400 A line source connector with a yellow housing, identifying Line 2 (L2) under UK (Old, pre-2004) conventions. As the source side of an inline cable connection, it features the innovative patent key-release pin that enables tool-free disconnection. The push-and-twist mechanism secures the connection during operation while allowing rapid uncoupling when needed. It is commonly deployed in data center maintenance applications. During data center expansion or maintenance windows, temporary power must be distributed with absolute reliability.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat electrical performance does PFLS-2Y-S120M40A deliver?\u003c\/h3\u003e  \u003cp\u003ePFLS-2Y-S120M40A 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 silver-plated brass contact achieves a contact resistance of just 0.1 mOhms, significantly reducing resistive heating compared to plain brass contacts at sustained high-current loads. This low resistance is particularly important for L2 circuits carrying continuous phase current.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhy choose the yellow L2 variant (PFLS-2Y-S120M40A) for your installation?\u003c\/h3\u003e  \u003cp\u003eYellow identifies L2 under the legacy UK wiring color code (red\/yellow\/blue for L1\/L2\/L3) used before the 2004 harmonization to IEC standards. Legacy UK installations, some Commonwealth countries, and specialty applications still use this color scheme. On the Line Source connector, the yellow housing wraps the 170 mm body including the area around the key-release mechanism. This means the phase is identifiable even during the push-and-twist connection process, reducing the chance of connecting to the wrong L2 circuit. When maintaining or extending pre-2004 UK installations, matching the existing yellow L2 convention prevents confusion between old and new color systems.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat safety certifications apply to PFLS-2Y-S120M40A?\u003c\/h3\u003e  \u003cp\u003ePFLS-2Y-S120M40A 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. The key-release pin mechanism has been certified as part of the TUV evaluation, ensuring that the disconnect feature meets the same safety standards as the connection itself.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eHow does the key-release mechanism work on PFLS-2Y-S120M40A?\u003c\/h3\u003e  \u003cp\u003eThe PFLS-2Y-S120M40A features the innovative PowerFit push-and-twist connection. To connect, align the connector and push while twisting until it locks. To disconnect, the patent key-release pin enables tool-free uncoupling. Simply press the release and twist to separate. If needed, a small slotted screwdriver can assist with the release. For cable termination, the process follows the same steps as other PowerFit line connectors: strip 33 mm of cable jacket, apply the reduction sleeve, tighten set screws to 10.5 N\/m minimum, and secure the M40 cable gland. Uses the shorter cotter pin variant (vs the longer pin in Line Drain). The shorter pin accommodates the key-release mechanism. Never reuse cotter pins.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eIs PFLS-2Y-S120M40A compatible with single-pole connectors from other manufacturers?\u003c\/h3\u003e  \u003cp\u003ePowerFit connectors are designed to be compatible with major brands of single-pole power connector. The 0.1 milliohm contact resistance minimizes heat generation at connection points, the 500-cycle mating rating supports repeated connect\/disconnect during maintenance, and the 1000 V AC \/ 1500 V DC rating provides margin for high-voltage DC distribution architectures. For L2 circuits using UK (Old, pre-2004) color conventions, the yellow PFLS-2Y-S120M40A ensures that phase identification remains consistent when mixing PowerFit connectors with existing inventory.\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\": \"What is the purpose of PFLS-2Y-S120M40A in a PowerFit distribution setup?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PFLS-2Y-S120M40A is a KUPO PowerFit 400 A line source connector with a yellow housing, identifying Line 2 (L2) under UK (Old, pre-2004) conventions. As the source side of an inline cable connection, it features the innovative patent key-release pin that enables tool-free disconnection. The push-and-twist mechanism secures the connection during operation while allowing rapid uncoupling when needed. It is commonly deployed in data center maintenance applications. During data center expansion or maintenance windows, temporary power must be distributed with absolute reliability.\"}}, {\"@type\": \"Question\", \"name\": \"What electrical performance does PFLS-2Y-S120M40A deliver?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PFLS-2Y-S120M40A 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 silver-plated brass contact achieves a contact resistance of just 0.1 mOhms, significantly reducing resistive heating compared to plain brass contacts at sustained high-current loads. This low resistance is particularly important for L2 circuits carrying continuous phase current.\"}}, {\"@type\": \"Question\", \"name\": \"Why choose the yellow L2 variant (PFLS-2Y-S120M40A) for your installation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yellow identifies L2 under the legacy UK wiring color code (red\/yellow\/blue for L1\/L2\/L3) used before the 2004 harmonization to IEC standards. Legacy UK installations, some Commonwealth countries, and specialty applications still use this color scheme. On the Line Source connector, the yellow housing wraps the 170 mm body including the area around the key-release mechanism. This means the phase is identifiable even during the push-and-twist connection process, reducing the chance of connecting to the wrong L2 circuit. When maintaining or extending pre-2004 UK installations, matching the existing yellow L2 convention prevents confusion between old and new color systems.\"}}, {\"@type\": \"Question\", \"name\": \"What safety certifications apply to PFLS-2Y-S120M40A?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PFLS-2Y-S120M40A 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. The key-release pin mechanism has been certified as part of the TUV evaluation, ensuring that the disconnect feature meets the same safety standards as the connection itself.\"}}, {\"@type\": \"Question\", \"name\": \"How does the key-release mechanism work on PFLS-2Y-S120M40A?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PFLS-2Y-S120M40A features the innovative PowerFit push-and-twist connection. To connect, align the connector and push while twisting until it locks. To disconnect, the patent key-release pin enables tool-free uncoupling. Simply press the release and twist to separate. If needed, a small slotted screwdriver can assist with the release. For cable termination, the process follows the same steps as other PowerFit line connectors: strip 33 mm of cable jacket, apply the reduction sleeve, tighten set screws to 10.5 N\/m minimum, and secure the M40 cable gland. Uses the shorter cotter pin variant (vs the longer pin in Line Drain). The shorter pin accommodates the key-release mechanism. Never reuse cotter pins.\"}}, {\"@type\": \"Question\", \"name\": \"Is PFLS-2Y-S120M40A compatible with single-pole connectors from other manufacturers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PowerFit connectors are designed to be compatible with major brands of single-pole power connector. The 0.1 milliohm contact resistance minimizes heat generation at connection points, the 500-cycle mating rating supports repeated connect\/disconnect during maintenance, and the 1000 V AC \/ 1500 V DC rating provides margin for high-voltage DC distribution architectures. For L2 circuits using UK (Old, pre-2004) color conventions, the yellow PFLS-2Y-S120M40A ensures that phase identification remains consistent when mixing PowerFit connectors with existing inventory.\"}}]}\u003c\/script\u003e\u003csection class=\"kupo-download-section\" data-product-id=\"PFLS-2Y-S120M40A\"\u003e \u003ch2\u003eDownload\u003c\/h2\u003e \u003ca class=\"kupo-download-link\" href=\"https:\/\/pub-87314d729f334121b80f91e16c4e7f60.r2.dev\/PFLS-2Y-S120M40A.pdf\" target=\"_blank\" rel=\"noopener\" download\u003e  Download PFLS-2Y-S120M40A Spec Sheet (PDF) \u003c\/a\u003e\u003c\/section\u003e","brand":"KUPO Stage","offers":[{"title":"PowerFit \/ 400A \/ Inline Source","offer_id":53907615482155,"sku":"PFLS-2Y-S120M40A","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/PFLS-2Y-S120M40A_b.jpg?v=1782112187","url":"https:\/\/kupostage.com\/products\/pfls-2y-s120m40a","provider":"KUPO Stage","version":"1.0","type":"link"}