Bryant 3431 4-Pole 5-Wire Twist-Lock Plug, 20A 120/208V
The Bryant 3431 is a heavy-duty 4-Pole, 5-Wire twist-lock plug rated 20A at 120/208V, engineered for dependable three-phase power connections in demanding commercial and industrial electrical environments. This locking plug is part of Bryant's broader locking device line, offered across related catalog and model numbers including 3431, 3521, 9965, 9967, 21415, and 26519, giving electrical professionals a consistent, vibration-resistant connection option for job applications. The twist-lock design resists accidental disconnection under movement or vibration, helping maintain continuous, uninterrupted power to connected equipment, tools, and machinery. Built to withstand frequent connect and disconnect cycles, this plug suits job sites, manufacturing facilities, and other professional electrical applications where reliability is essential.
Key Features
- Locking Design: Twist-lock plug construction resists accidental disconnection caused by vibration, movement, or tension on the cord.
- Pole/Wire Configuration: 4-Pole, 5-Wire configuration supports three-phase circuits with a dedicated equipment grounding conductor.
- Amperage Rating: Rated 20A for dependable performance under continuous industrial and commercial electrical loads.
- Voltage Rating: 120/208V rating suits three-phase wye power distribution systems commonly found in commercial and industrial facilities.
- Model Family: Available across related Bryant locking plug catalog numbers 3431, 3521, 9965, 9967, 21415, and 26519 for cross-reference and replacement matching.
- Secure Termination: The locking mechanism helps ensure a firm connection is maintained, reducing the risk of arcing or interrupted power at the plug interface.
Technical Specifications
- Amperage Rating: 20A
Typical Applications
- Industrial and Commercial Power Distribution
- Three-Phase Motor and Equipment Connections
- Portable and Temporary Power Setups
- Manufacturing and Machine Shop Wiring
- Construction Site Power Connections
Why Bryant?
Bryant locking devices are engineered to deliver secure, dependable connections for demanding electrical environments where a standard plug and receptacle would risk accidental disconnection. The 4-Pole, 5-Wire, 20A, 120/208V configuration reflects Bryant's focus on reliable three-phase power connectivity for professional electrical work, available across the 3431 locking plug model family. Choose Bryant for locking plug solutions built for consistent, code-compliant performance on the job.
Manufacturer Resources
Product Specs
- list_batch:
- BRY-20260909
- Product Type:
- Locking Plug
- Configuration:
- 4-Pole 5-Wire
- Amperage Rating:
- 20A
- Voltage Rating:
- 120/208V
- Connection Type:
- Twist-Lock
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Subgroup:
- Plugs & Connectors