Overview
The Thomas & Betts F26721 Ever-Lok midget plug delivers rugged, locking connections for demanding electrical environments. This 20A, 250VAC rated connector provides a four-wire, four-pole (4W4P) interface designed to ensure secure contact integrity in heavy industrial, marine, and commercial settings. The Ever-Lok series is known for its reliable interlocking design that prevents accidental disconnection during operation.
Key Features
- 20A continuous current rating at 250VAC
- Four-wire, four-pole (4W4P) configuration
- Midget form factor for compact installations
- Russellstoll Ever-Lok locking mechanism for vibration and shock resistance
- Suitable for heavy industrial and marine applications
- Type M design for standard electrical connectivity
Technical Specifications
- Current Rating: 20A continuous
- Voltage Rating: 250VAC
- Configuration: 4-Wire, 4-Pole (4W4P)
- Style: Midget Plug
- Manufacturer: Thomas & Betts (Russellstoll)
- Part Number: F26721
- Weight: 3.0 lbs
- Type Designation: TYPE M E-L BU4P FO
Typical Applications
- Industrial equipment and machinery
- Marine and outdoor severe-environment installations
- Heavy-duty commercial electrical systems
- Panel-mounted temporary power connections
- Audio/visual (AV) and broadcast equipment with high reliability requirements
Compatibility & Replacements
Compatible With
- Russellstoll Ever-Lok mating receptacles and connectors
- Standard 4-wire, 4-pole electrical systems rated for 20A/250VAC
- Equipment designed for Russellstoll MG Ever-Lok series interfaces
- Industrial control systems and power distribution panels
Replaces / Drop-In Replacement For
The F26721 is the original Russellstoll Ever-Lok TYPE M configuration. Verify compatibility with your system integrator before ordering to ensure proper mating with existing connectors.
Works With
- Russellstoll Ever-Lok series receptacles (verify mating connector model)
- Standard 250VAC industrial power supplies and distribution equipment
- Heavy-duty cable assemblies rated for 20A continuous operation














