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Black and white industrial locking plug with four blades, straight orientation, screw terminals, nylon housing

Hubbell Incorporated

Hubbell Incorporated CS8155C Locking Plug Non-NEMA 50 A 480V AC

SKU CH-P6H3-TXRHC

Industrial locking plug rated 50 A and 480 V AC with three-phase, four-blade Non-NEMA configuration, screw-terminal wiring and nylon housing for cables 0.83 to 1.25 in diameter

  • Product typeLocking Devices
  • Industrial-grade durability with chemical- and impact-resistant nylon housing
  • Secure 50 A three-phase power delivery at 480 V AC
  • Non-NEMA four-blade locking design prevents accidental disconnection
  • Screw-terminal wiring accepts cables from .83 in to 1.25 in diameter
  • Polarized, grounded construction ensures correct, safe insertion every time

Industrial Three-Phase Locking Plug

This straight-blade locking plug carries a 50 A rating at 480 V AC for three-phase industrial equipment. The non-NEMA, four-blade configuration provides a secure, polarized connection that resists accidental disconnection under vibration or load.

50 A Three-Phase Rating at 480 V AC

The 50 A, three-pole, 480 V AC rating is the single figure that determines whether this plug matches the generator, distribution panel or machine inlet you are wiring. Using a plug with a lower current or voltage rating creates a fire and shock hazard.

Nylon Housing With Chemical And Impact Resistance

The black-and-white nylon body withstands oils, solvents and physical abuse common in factories and job sites. Screw terminals accept cable diameters from .83 in to 1.25 in, ensuring a tight conductor clamp without overheating during continuous 50 A operation.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $130.99
Pricier than about 74% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameHUBBELL
Product typeLocking Devices

Questions about this item

What does the 50 A rating mean when the plug is installed in a three-phase circuit?

It allows continuous current of 50 amps per phase across the three poles, supporting heavy industrial loads at the rated voltage.

How does the Non-NEMA locking interface affect compatibility with existing receptacles?

The Non-NEMA configuration requires a matching Non-NEMA locking receptacle; it will not fit standard NEMA twist-lock outlets.

What cable diameters can the CS8155C accept for a secure connection?

The screw terminals accept cables from .83 in to 1.25 in outer diameter, covering typical industrial power cords.

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