Leviton 2421 Industrial Grade Locking Plug, 4-Wire 3-Pole, 250V 3-Phase 20A

Leviton 2421 Industrial Grade Locking Plug, 4-Wire 3-Pole, 250V 3-Phase 20A

The Leviton 2421 is an industrial grade locking plug engineered for demanding three-phase power connections. Featuring a 4-wire, 3-pole polarized configuration, this plug is rated 250-Volt, 3-Phase, 20-Amp, making it well suited for industrial machinery, commercial equipment, and heavy-duty power distribution applications where a secure, non-interchangeable connection is required. Its twist-lock design helps prevent accidental disconnection in high-vibration or high-traffic environments, and the polarized pin configuration ensures the plug can only be mated in the correct orientation for consistent, code-compliant wiring every time.

Key Features

• 4-Wire, 3-Pole Configuration: Supports three-phase circuits requiring a dedicated neutral and ground path for balanced industrial loads.
• Electrical Rating: Rated 250-Volt, 3-Phase, 20-Amp for reliable performance on demanding industrial and commercial circuits.
• Polarized Design: Pin and sleeve configuration ensures correct orientation, preventing improper mating and reducing wiring errors.
• Industrial Grade Construction: Built to withstand the rigors of industrial and commercial environments where standard-duty devices fall short.
• Locking Mechanism: Twist-lock style connection resists accidental disconnection from vibration, movement, or accidental pull-out.

Technical Specifications

• list_batch: LEV-20260730
• Configuration: 4-Wire, 3-Pole
• Voltage: 250-Volt
• Phase: 3-Phase
• Amperage: 20-Amp

Typical Applications

• Industrial Power Distribution Systems
• Machine Shops and Manufacturing Facilities
• Commercial Kitchen Equipment Connections
• Portable and Temporary Power Hookups
• Generator and Backup Power Connections
• Heavy-Duty Commercial Electrical Installations

Why Leviton?

Leviton's industrial grade locking plugs are designed to deliver dependable, code-compliant performance in environments where standard-duty devices are not enough. The polarized, locking design of the 2421 helps electrical professionals maintain secure three-phase connections rated for 250-Volt, 20-Amp service, supporting safer and more reliable power distribution on the job site.