How to Add Sub-Feed Output Distribution Circuit Breakers to the ATS

Installing breakers on the ATS panel bus

Use the following procedure to install a T1 three-pole breaker assembly on a 250 A ATS panel bus. The steps are identical for installing the T1 single-pole and T3 three-pole breakers.

1.Attach the adapter module to the ATS panel bus (), and secure it in place using an Allen wrench to turn the module locks ().

2.Snap the circuit breakers onto the adapter module’s bus (). Lock in place using a Phillips screwdriver to tighten an M4×70 screw ().

3.Attach the breaker brackets to slots in the panel board frame (). Secure using a T25 Torx driver to tighten an M6×12 Torx screw (). Attach each breaker to its appropriate bracket using a Phillips screwdriver to tighten an M4×70 screw ().

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American Power Conversion 250 A manual Installing breakers on the ATS panel bus
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