Hubbell HBL3762C Locking Connector 50A 600VAC 2-pole

Product Description

The HUBBELL HBL3762C is a polarized twist-lock locking connector rated for 50 amperes at 600 VAC or 250 VDC. The housing is constructed from impact-resistant, heat-resistant nylon with a thermoplastic polyester interior, delivering durability in demanding electrical service environments. The 2-pole, 3-wire grounding configuration accepts cord sizes from 0.75 inches to 1.125 inches in diameter. This connector carries UL 498 and CSA C22.2 approvals and an IP20 enclosure rating, making it suitable for industrial and commercial electrical installations where a secure, twist-lock connection is required.

This connector fits standard 2-pole, 3-wire grounding applications in commercial and industrial settings. It is part of the Hubbell Twist-Lock Series HBL family and is designed for use in temporary power distribution, stage and entertainment rigging, manufacturing facilities, and similar high-amperage cord-and-plug circuit applications. Licensed electricians installing branch circuit wiring and cord sets under NFPA 70 (NEC) requirements will recognize this as a direct-service locking connector for 50-amp circuits. The black and white color coding aids in quick visual identification during installation and maintenance.

Key Features

• 50-amp current rating at 600 VAC or 250 VDC for high-capacity branch circuits
• Polarized twist-lock design prevents accidental disconnection under load
• Nylon housing with thermoplastic polyester interior — impact-resistant and heat-resistant construction
• Accepts cord diameters from 0.75 inches to 1.125 inches
• Grounding type with 2-pole, 3-wire configuration
• IP20 enclosure rating with UL 498 and CSA C22.2 approvals
• Country of origin: United States

Compatibility

This connector is a direct replacement for Hubbell catalog number 3762C HBL Insulgrip Connector. It is designed for use in standard 2-pole, 3-wire 50-amp twist-lock cord-and-plug applications.

Installation Notes

Installation should be performed by a licensed electrician in accordance with NFPA 70 (NEC) and applicable local codes. De-energize and lock out the circuit before disassembling or wiring any connector. Verify that the cord diameter falls within the 0.75-inch to 1.125-inch accepted range before assembly. Do not exceed the rated voltage or current limits for this device.

Technical Specifications

• Current Rating: 50 amps
• Voltage Rating: 600 VAC / 250 VDC
• Number of Poles: 2
• Number of Wires: 3
• Ground Type: Grounding
• Connector Type: Polarized Twist-Lock
• Housing Material: Nylon (impact-resistant, heat-resistant)
• Interior Material: Thermoplastic Polyester
• Color: Black/White
• Cord Size Range: 0.75 inches to 1.125 inches
• Enclosure Rating: IP20
• Temperature Rating: -40 to 60 degrees C
• Approvals: UL 498, CSA C22.2
• Dimensions (L x W x H): 7.1 inches x 2.7 inches x 2.7 inches
• Package Weight: 1.02 pounds
• Country of Origin: United States

Standard Information

• Brand: HUBBELL
• Manufacturer Part Number: HBL3762C