PFLD-2BK-S120M40A – PowerFit 400A Line Drain Connector (L2), 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
The PFLD-2BK-S120M40A is a 400A single-pole line drain connector engineered for mission-critical power distribution systems. This inline female connector incorporates dual-amperage capability—delivering 400 amperes continuous at 120 square millimeters or 660 amperes continuous at 240 square millimeters—making it the choice for industrial installations where load flexibility and long-term reliability matter. Rated to 1000 volts alternating current and 1500 volts direct current, this connector establishes a sealed, durable connection through a push-and-twist mating mechanism that eliminates fumbling and reduces connection errors in the field.
Key Features
- Dual-rated performance: 400A at 120mm² or 660A at 240mm² for flexible system design
- Silver-plated brass contacts ensure superior conductivity and corrosion resistance
- M40 by 1.5-millimeter cable gland with sealing bushings (22-millimeter and 33-millimeter inside diameter) accommodates standard industrial cables
- Push-and-twist connection—intuitive, field-proven assembly without specialized tools
- Silicone O-ring maintains IP67 rating when mated, protecting against dust and water ingress
- Non-conductive, flame-retardant thermoplastic housing meets UL94-V0 fire standards
- Ergonomic rubber grip improves handling and grip security during installation
- R120 reduction sleeve accommodates wire diameters up to 16.50 millimeters
- Set screw contact with 10.5 newton-meters minimum torque specification ensures vibration-proof assembly
Certifications & Standards
- TÜV Rheinland certification (ID: 1111303479)
- CE marking
- RoHS compliance
- REACH compliance
- UL94-V0 flame class
Applications
The PFLD-2BK-S120M40A suits renewable energy installations, industrial motor drives, battery management systems, and heavy-duty power distribution cabinets where performance and component reliability are paramount. Its 500 mating cycles rating and sealed construction make it suitable for both fixed industrial environments and field applications demanding robust, repeatable connections.
Compatibility
This connector is compatible with major brands of single-pole power connectors, allowing system designers to integrate KUPO components into existing infrastructure with confidence. The push-and-twist connection standard aligns with industry practice, facilitating seamless interchangeability in field deployments.
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-2BK-S120M40A FAQ
What makes PFLD-2BK-S120M40A different from a standard inline power connector?
PFLD-2BK-S120M40A is a KUPO PowerFit 400A line drain connector with a black housing, identifying Line 2 (L2) under Europe and UK (IEC 60446) 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 L2 conductor across cable runs. It is commonly deployed in industrial manufacturing plant applications. Temporary power in manufacturing environments faces vibration from heavy machinery, exposure to oils and cutting fluids, and the need for high current capacity to feed welders, presses, and large motors.
What are the electrical ratings and wire capacity of PFLD-2BK-S120M40A?
PFLD-2BK-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 L2 circuits carrying continuous phase current.
What does the black housing on PFLD-2BK-S120M40A represent under Europe and UK (IEC 60446) standards?
Under IEC 60446, black identifies Line 2 (L2). This is the second phase conductor in the European three-phase system of brown (L1), black (L2), grey (L3). For international crews, this is a critical distinction: the same black housing that means L1 in North America means L2 in Europe. On the Line Drain connector, the black housing is visible along the full 190mm body length, making L2 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. Cross-convention errors between NEC-L1-black and IEC-L2-black are among the most common phase identification mistakes on international projects.
What certifications and safety ratings does PFLD-2BK-S120M40A carry?
PFLD-2BK-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.
How do you assemble PFLD-2BK-S120M40A onto a power cable in the field?
To assemble PFLD-2BK-S120M40A, remove the M40 cable gland and extract the contact. Insert the contact into the insulator and align the cotter pin hole. Strip back the cable jacket by approximately 33mm, then slide the R120 reduction sleeve (brass with silver plating, up to 16.50mm wire diameter) over the exposed conductor. Hammer the cotter pin in from its chamfered side for proper seating. Slide the cable with reduction sleeve into the contact, then tighten both set screws using a 5mm hex key to a minimum of 10.5 N/m. Finally, thread the cable gland back on. The M40 gland includes two rubber bushings (inner diameter 23mm and 33mm) for flexibility with different cable sizes. At 190mm total length with a 32.5mm body diameter, the Line Drain is the longest connector in the PowerFit family, providing ample space for cable management and a secure grip surface.
Is PFLD-2BK-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 400A continuous rating (660A with 240mm2 cable) handles industrial loads, the flame-retardant UL94-V0 housing resists chemical exposure, and the push-and-twist lock prevents vibration-induced disconnection. For L2 circuits using Europe and UK (IEC 60446) color conventions, the black PFLD-2BK-S120M40A ensures that phase identification remains consistent when mixing PowerFit connectors with existing inventory.
Video and Download
PFLD-2BK-S120M40A — Download Spec Sheet (PDF) ↓
