Product Description
High-current power distribution demands connectors that stay reliable under repeated load-in, load-out, and field-service cycles. The PowerFit 750A Line Source connector in gray is built for L3 circuits, combining male contact, silver-plated copper contact construction, and an innovative key-release pin mechanism. For installation, it uses an M40 x 1.5 cable gland with rubber bushing for sealed 300mm² cable assemblies. IP67 protection when mated and a UL94-V0 thermoplastic body help maintain safe performance in demanding touring, event, and industrial environments.
Key Features
- 750A High-Current Rating: 750A Maximum for heavy-duty single-pole power distribution
- Male Contact Design: Line Source (Male Contact) for mating with compatible PowerFit Line Drain or Panel Drain connectors
- Innovative Key-Release Pin: Allows fast, convenient, tool-free disconnection during production changeovers
- Copper Silver-Plated Contact: Excellent conductivity with 0.1m Ohms contact resistance for reduced voltage drop
- Ergonomic Rubber Grip: Enhances handling comfort and control during cable connection work
- IP67-Rated Cable Sealing: M40 x 1.5 with sealing bushing (Inner Diameter: 22 mm and 33 mm)
- Durable Thermoplastic Housing: Non-conductive high impact-resistant body with UL94-V0 flame rating
- Voltage Capacity: 1000V AC, 1500V DC Maximum with 4500V AC test voltage
- Certified Safety: TUV, CE, RoHS and REACH compliant for professional power distribution systems
Certifications & Standards
- TÜV certified for professional power connector applications
- CE Marking
- RoHS Compliant
- REACH Compliant
- UL94-V0 Flame Rating
- IP67 rating while mated
- 1000V AC, 1500V DC maximum voltage rating; 4500V AC test voltage
- Short circuit rating: Up to 35.5kA; insulation resistance > 5000M Ohms at 500V AC
Applications
- Live Event Audio & Video Production
- Touring Sound Systems
- Stage & Lighting Power Distribution
- Concert & Festival Infrastructure
- Mobile Production Trucks
- Rental & House Power Management
- Industrial High-Current Power Distribution
Compatibility
- Rated Amperage: 750A Maximum
- Voltage Range: 1000V AC, 1500V DC Maximum
- Cable Compatibility: M40 x 1.5 with sealing bushing (Inner Diameter: 22 mm and 33 mm); crimp termination for 300mm² cable
- Mating Standard: Push-and-twist with key release mechanism
- Mating Role: Line Source (Male Contact) mates with compatible Line Drain or Panel Drain connectors
- Phase Marking: L3
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
What makes PFLS-3GY-C300M40 different from a standard high-current source connector?
PFLS-3GY-C300M40 is not just a color-coded 750A line source; it is the source-side half of a keyed PowerFit connection. The key-release pin gives crews a controlled way to uncouple the connector during changeovers instead of fighting the lock under time pressure. On generator tie-ins, touring distros, and mobile power trucks, that matters because the connector may be handled repeatedly by different technicians across a long production day.
How does PFLS-3GY-C300M40 manage heat and voltage drop at 750A loads?
PFLS-3GY-C300M40 uses a silver-plated copper contact with 0.1m Ohms contact resistance, which helps limit resistive heating at sustained current. It is rated for 750A Maximum with a maximum voltage rating of 1000V AC, 1500V DC, a 4500V AC dielectric test voltage, and short circuit capacity of up to 35.5kA. For real installations, the connector should still be paired with correctly sized cable, proper termination practice, and load calculations for the full distribution run.
What does the gray housing on PFLS-3GY-C300M40 tell the crew before power is applied?
The gray housing identifies L3. On the Line Source connector, the color remains visible on the 170mm body, so a technician can trace the intended conductor before coupling or energizing the system. This is more than cosmetic: the SKU code and housing color work together to reduce cross-phase mistakes when different regional color conventions appear in the same rental inventory.
What should installers notice about the cable end of PFLS-3GY-C300M40?
PFLS-3GY-C300M40 is a crimp-style line connector for 300mm2 cable using an M40 x 1.5 cable gland with sealing bushing. The bushing supports 22mm and 33mm inner diameters, giving the assembly the compression needed for a sealed cable entry. In field terms, the gland is part of the electrical system, not just a strain relief: poor cable fit can compromise both handling and environmental protection.
How does PFLS-3GY-C300M40 hold up in outdoor event or rental-house service?
PFLS-3GY-C300M40 is IP67 rated while mated, uses a non-conductive high impact-resistant thermoplastic body, and carries a UL94-V0 body material rating. The 500-cycle mating rating suits rental and production environments where connectors are repeatedly assembled, inspected, packed, and redeployed. In wet grass, dusty stages, and temporary generator yards, the sealed mated interface is the detail that keeps a power run from becoming the weak point of the show.
How should PFLS-3GY-C300M40 be paired inside a PowerFit 750A layout?
PFLS-3GY-C300M40 should be paired with a compatible PowerFit drain connector, such as the matching line drain or panel drain role for the same conductor assignment. Keep source and drain orientation consistent through the entire system so the power origin, feeder path, and receiving equipment are easy to audit. The key-release feature belongs on the source-side connector, so crews can disconnect intentionally without improvised tools or contact damage.
Why does the rubber grip matter on PFLS-3GY-C300M40?
The ergonomic rubber grip is useful because 750A feeder connectors are often handled with gloves, in low light, or while cables are under awkward mechanical tension. A better grip helps the technician align the connector, complete the push-and-twist motion cleanly, and avoid using the cable jacket as a handle. That small handling detail becomes important when a crew is building multiple feeder runs under schedule pressure.