PFLD-1BK-S120M40A – PowerFit 400A Line Drain Connector (L1), Black
400A single-pole line drain connector. IP67, silver-plated brass contacts, push-and-twist lock, TÜV certified.
- Amperage rating: 400A maximum (120mm² cable)
- Voltage rating: 1000V AC, 1500V DC maximum
- Cable: 120mm²; M40 × 1.5 gland with bushing (ID: 22mm & 33mm)
- Terminal: Double set screws, 10.5 N/meter min.
- Connection type: Push-and-twist
- Connector type: Single-pole, inline, drain (female contact)
- Housing: High impact-resistant thermoplastic, UL94-V0
- Contact material: Brass (silver-plated)
- IP rating: IP67 while mated
- Compatibility: Compatible with major brands of single-pole power connector
- Certifications: TÜV Rheinland (ID 1111303479), CE, RoHS, REACH
Learn more
TÜV Rheinland certified (ID 1111303479): Type Approved, Safety, Regular Production Surveillance. CE marked. RoHS and REACH compliant. Flame Class UL94-V0. IP67 rated while mated. Silicone O-ring seal. Working temperature: 45°C to 85°C. Mating cycle: 500.
Compatible with major brands of single-pole power connector systems. The push-and-twist mating mechanism ensures reliable connection geometry and secure locking across standardized suppliers, enabling integration into existing power distribution infrastructure.
Best suited for:
Mobile power distribution for touring productions and live events, industrial plant power management, generator and UPS distribution panels, renewable energy systems, heavy machinery power supply, and wet or dust-prone environments where IP67 sealing prevents system failures.
Product Description
Heavy-duty industrial power distribution demands connectors that perform reliably under continuous high-amperage loads without service interruption. The PowerFit 400A Line Drain connector in black delivers the mechanical stability and electrical performance required for touring rigs, industrial power systems, and permanent installations where voltage drop and contact degradation cannot be tolerated. With 400A continuous rating at 120mm² cable, silver-plated brass contacts, and a secure push-and-twist locking mechanism, this connector maintains conductivity across 500 mating cycles while meeting stringent international safety standards.
Key Features
- 400A continuous current capacity (120mm² cable); 660A continuous (240mm² cable)
- Female contact design receives the Line Source connector pin securely
- Push-and-twist connection mechanism with positive mechanical lock
- Brass contact with silver plating ensures 0.1m Ohms contact resistance and minimal voltage drop
- Thermoplastic body rated UL94-V0 flame retardant for safety in high-risk environments
- M40 × 1.5 cable gland with sealing bushing provides IP67 protection while mated
- Silicone O-ring creates water and dust ingress barrier after connector closure
- Ergonomic rubber grip enables confident handling and secure mating under field conditions
- POM cotter pin (longer variant for Line Drain) prevents unintended disconnection; not reusable
- R120 brass reduction sleeve accommodates cable up to 16.50mm diameter
- Set screw torque specification: 10.5 N/meter minimum for repeatable terminations
Certifications & Standards
- TÜV Rheinland certified (ID 1111303479) for global industrial compliance
- CE and RoHS compliant for European market distribution
- REACH compliant for restricted substance limitation
- UL94-V0 flame retardancy classification
- IP67 rating while mated (dust-tight, temporary submersion to 1 meter)
- 1000V AC / 1500V DC maximum operating voltage; 4500V AC test voltage
- Short circuit rating: Up to 35.5kA with insulation resistance greater than 5000 megohms at 500V AC
Applications
- Mobile power distribution systems for touring productions and live events
- Industrial plant power management and equipment interconnection
- Generator and UPS distribution panels rated for high continuous amperage
- Renewable energy systems (solar, wind) requiring robust cable-to-equipment termination
- Heavy machinery power supply where connector reliability directly impacts operational uptime
- Wet and dust-prone environments where IP67 sealing prevents system failures
Compatibility
The PowerFit 400A Line Drain connector is compatible with major brands of single-pole power connector systems. Its M40 × 1.5 cable gland interface and push-and-twist mating mechanism ensure standardized connection geometry across certified suppliers. Verify mechanical and electrical specifications with your Line Source connector manufacturer to confirm impedance matching and safe operating parameters across the installed system.
Phase / Wire Color Convention
| Region | L1 | L2 | L3 | N | Ground |
|---|---|---|---|---|---|
| NA 120/208V 1 | Green / G-Y | ||||
| NA 277/480V 2 | Green / G-Y | ||||
| IEC 60446 3 | Green-Yellow | ||||
| AU/NZ Legacy 4 | Green-Yellow | ||||
| China 5 | Green-Yellow |
1 North America 120/208V (NEMA / NEC) 2 North America 277/480V (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
PFLD-1BK-S120M40A FAQ
What is the PFLD-1BK-S120M40A and what role does it play in a PowerFit system?
PFLD-1BK-S120M40A is a KUPO PowerFit 400A line drain connector with a black housing, identifying Line 1 (L1) under North America (NEC) conventions. As the drain side of an inline cable connection, it receives the mating source contact and provides a sealed, IP67-rated junction when coupled. The black housing enables instant visual identification of the L1 conductor across cable runs. It is commonly deployed in outdoor music festival applications. When power cables stretch across a rain-soaked festival ground, IP67 protection is not a luxury.
What are the electrical ratings and wire capacity of PFLD-1BK-S120M40A?
PFLD-1BK-S120M40A is rated for 400 amperes continuous with 120mm2 cable, scaling to 660 amperes with 240mm2 cable. The maximum voltage rating is 1000V AC or 1500V DC. The silver-plated brass contact achieves a contact resistance of just 0.1 milliohms, significantly reducing resistive heating compared to plain brass contacts at sustained high-current loads. This low resistance is particularly important for L1 circuits carrying continuous phase current.
What does the black housing on PFLD-1BK-S120M40A represent under North America (NEC) standards?
Under North American NEC conventions, black identifies the first line conductor (L1) in a three-phase system. It is the default phase conductor for single-phase 120V branch circuits and the standard L1 in three-phase configurations alongside red (L2) and blue (L3). Black L1 conductors carry the bulk of single-phase loads in commercial and industrial settings. On the Line Drain connector, the black housing is visible along the full 190mm body length, making L1 identification easy even when cables are bundled tightly. The ergonomic rubber grip section also carries the color, so technicians can identify the phase while handling the connector. Because black appears in multiple phase conventions worldwide, the PowerFit phase-encoded SKU system (1BK vs 2BK vs NBK) prevents dangerous cross-convention mix-ups.
What certifications and safety ratings does PFLD-1BK-S120M40A carry?
PFLD-1BK-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 silicone O-ring seal contributes to the IP67 rating when mated, meaning the connection is fully protected against dust ingress and temporary immersion in water up to 1 meter for 30 minutes.
Is PFLD-1BK-S120M40A compatible with single-pole connectors from other manufacturers?
PowerFit connectors are designed to be compatible with major brands of single-pole power connector. The sealed push-and-twist connection keeps moisture out even when cables lie in puddles, and the color-coded housings let crews trace phases across hundreds of meters of temporary cabling. For L1 circuits using North America (NEC) color conventions, the black PFLD-1BK-S120M40A ensures that phase identification remains consistent when mixing PowerFit connectors with existing inventory.
Video and Download
PFLD-1BK-S120M40A — Download Spec Sheet (PDF) ↓
