Series 285 Power Clamp will accept up to 3/0 wire size and can be commoned by a jumper located above the conductor connection area, allowing for maximum conductor size.
Designed for terminating large conductors on control panels and medium-voltage power panels, these DIN rail-mounted terminal blocks offer a current rating of 232A and rated voltage of 1,000V. Spring clamping accepts conductors from 4 AWG to 3/0.
To insert a conductor, simply actuate the cam by making a 3/8 turn using an 8-mm T-wrench. This depresses the spring and opens the conductor insertion area; a locking tab holds the spring in place keeping the wire entrance open. The operator can now use both hands while working to terminate the wire. Once the wire is inserted, the operator makes an additional 1/4 turn with the 8-mm T-wrench, which releases the locking tab and secures the conductor.
Resistivity of the connection is lower than the inherent conductor resistivity, preventing heat buildup. At catastrophic voltage, the conductor fails before the connection.
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