Product Description
Overview
European power infrastructure conforming to IEC 60446 designates brown as the L1 phase conductor color. The PowerFit 400 A Panel Source in brown integrates into switchgear enclosures, power distribution units, and industrial control panels serving European markets, providing a dual-rated 400 A/660 A source interface connection point. The push-and-twist mating mechanism with patent key-release pin ensures positive mechanical engagement across 500 rated mating cycles, while the M12 threaded post and four-hole flange mounting pattern delivers the structural rigidity required for permanent installations in vibration-prone industrial environments.
Key Features
- 400 A continuous current capacity at 120 mm² cable; 660 A continuous at 240 mm² cable for heavy-duty applications
- Source interface design provides the power source pin for mating with Line Drain or Panel Drain connectors
- Patent key-release pin with POM (Polyoxymethylene) cotter pin enables tool-free disconnection without risking contact damage
- M12 threaded post with brass nut and spring washer for permanent, vibration-resistant panel installation
- Four diameter 5.5 mm fixing holes on flange (42 mm x 42 mm cut-out dimension) ensure secure mechanical mounting
- Plastic end cap over source interface provides IP 2X finger protection against electric shock when unmated
- Push-and-twist locking mechanism maintains positive mechanical engagement across 500 rated mating cycles
- Brass contact with silver plating delivers 0.1 mOhms contact resistance for minimal voltage drop and heat generation
- Non-conductive thermoplastic housing rated UL94-V0 flame retardant for safety-critical installations
- IP67 rating when mated ensures protection against water and dust ingress in outdoor or washdown environments
- 1000 V AC / 1500 V DC maximum voltage rating with 4500 V AC dielectric test voltage for substantial safety margins
- Maximum nut torque: 12 to 14 N/meter for proper fastening without over-tightening
Standards
TUV 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.
Applications
Suitable for generator connection panels and mobile power distribution trucks for touring productions, entertainment industry main power distribution units handling 400 A per phase, industrial switchgear enclosures and motor control center (MCC) panel inlets, data center power distribution units (PDUs) requiring hot-swappable connections, broadcast facility power rooms and outside broadcast (OB) vehicle power inlets, renewable energy inverter cabinets and battery energy storage system (BESS) panels, and temporary power infrastructure for construction sites and large-scale events.
Compatibility
The 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.
Phase / Wire Color Convention
| Region | L1 | L2 | L3 | N | Ground |
|---|---|---|---|---|---|
| NA 120/208 V 1 | Green / G-Y | ||||
| NA 277/480 V 2 | Green / G-Y | ||||
| IEC 60446 3 | Green-Yellow | ||||
| AU/NZ Legacy 4 | Green-Yellow | ||||
| China 5 | Green-Yellow |
1 North America 120/208 V (NEMA / NEC) 2 North America 277/480 V (NEMA / NEC) 3 Europe, UK, Australia (current IEC 60446)
4 Australia / New Zealand legacy (pre-IEC) 5 China (GB 50303) G-Y = Green-Yellow (earth/ground)
Frequently Asked Questions
What makes PFPS-1BN the origin point in a PowerFit system?
PFPS-1BN is a KUPO PowerFit 400 A panel source connector with a brown housing, identifying Line 1 (L1) under Europe and UK (IEC 60446) 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 broadcast outside broadcast (OB) truck applications. OB trucks deploy and strike in tight timeframes, often in parking structures, stadium loading docks, or roadside locations.
How much current can PFPS-1BN supply from a distribution panel?
PFPS-1BN 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 M12 threaded post termination accepts conductors through a brass nut and washer assembly, tightened to a maximum of 12 to 14 N/m. The four-point flange mount with 5.5 mm fixing holes distributes mechanical load across the panel surface.
What does the brown housing on PFPS-1BN represent under Europe and UK (IEC 60446) standards?
Brown designates Line 1 (L1) under IEC 60446, the harmonized standard used across the European Union, the UK (post-2004), and much of Asia and Africa. The IEC three-phase color set is brown (L1), black (L2), and grey (L3). Brown L1 is the most widely adopted phase color convention globally by number of countries. On the Panel Source, the brown 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. Mixing IEC brown-L1 with NEC black-L1 equipment requires clear labeling. Phase-encoded connectors physically enforce the correct assignment.
What independent testing has PFPS-1BN undergone?
PFPS-1BN 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.
What panel cutout and mounting specifications does PFPS-1BN require?
The PFPS-1BN 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-1BN 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.
Why choose PFPS-1BN over a traditional panel-mount single-pole connector?
PFPS-1BN offers several meaningful improvements over conventional single-pole power connectors: the 1000 V AC / 1500 V DC voltage rating exceeds the typical 600 V maximum of traditional alternatives; silver-plated brass contacts deliver lower contact resistance (0.1 mOhms) than plain brass; IP 2X finger protection prevents accidental contact with live parts when the connector face is exposed. These features, combined with TUV Rheinland certification and the phase-encoded brown housing for L1 identification, make PowerFit a generation ahead of traditional designs.