WS Welding Connectors

WS devices allow users to make fast and reliable connections of welding cables. Their spring-loaded silver contacts provide connections that are unaffected by cable movement or vibration and operate
with a self-cleaning wiping action that ensures a reliable electrical connection every time.

Wiring Hole Maximum Amperage Cycle (5 min Cycle)
in² mm² 30% Duty 60% Duty 100% Duty
.025 16 150A 100A 75A
.047 30 200A 125A 100A
.062 40 250A 150A 125A
.078 50 300A 200A 150A
.116 75 350A 250A 200A
.155 100 400A 300A 250A
.186 120 450A 350A 275A
.223 150 500A 450A 325A

Receptacle

Inlet

WS Receptacles WS Inlet
Wiring Hole Type 2 200A Type 3 300A Type 5 500A Wiring Hole Type 2 200A Type 3 300A Type 5 500A
in² mm² in² mm²
.025 16 4-2401-A - - .025 16 4-2901-A - -
.047 30 4-2401-B - - .047 30 4-2901-B - -
.062 40 4-2401-C - - .062 40 4-2901-C - -
.078 50 4-2401-D 4-3401-E - .078 50 4-2901-D 4-3901-E -
.116 75 - 4-3401-F - .116 75 - 4-3901-F -
.155 100 - 4-3401-G - .155 100 - 4-3901-G -
.186 120 - - 4-5401-H .186 120 - - 4-5901-H
.223 150 - - 4-5401-J .223 150 - - 4-5901-J

Connector

Plug

WS Connector WS Plug
Wiring Hole Type 2 200A Type 3 300A Type 5 500A Wiring Hole Type 2 200A Type 3 300A Type 5 500A
in² mm² in² mm²
.025 16 4-2301-A - - .025 16 4-0201-A - -
.047 30 4-2301-B - - .047 30 4-0201-B - -
.062 40 4-2301-C - - .062 40 4-0201-C - -
.078 50 4-2301-D 4-3301-E - .078 50 4-0201-D 4-0301-E -
.116 75 - 4-3301-F - .116 75 - 4-0301-F -
.155 100 - 4-3301-G - .155 100 - 4-0301-G -
.186 120 - - 4-5301-H .186 120 - - 4-0501-H
.223 150 - - 4-5301-J .223 150 - - 4-0501-J