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The Square D 9421LR4 NEMA 600 VAC 400 Amp Operating Mechanism is designed for use with LAL, LHL, and Q4L circuit breakers. The kit includes a six-inch handle rated for NEMA 1/3R/12. It features durable metal construction for reliability. This mechanism allows for padlocking in the Off position while the enclosure door is open. The handle assemblies can be secured with padlocks to prevent unauthorized access.
This operating mechanism kit allows a mounting depth from six inches to twenty-one and a half inches from the circuit breaker surface to the enclosure door. The mechanism is suitable for heavy-duty applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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