You can also install additional reset buttons and indication lamps for the emergency stop
circuit on site. ABB recommends gold-plated contacts in the reset button. Connect the
buttons to the applicable terminal block inside the drive cabinet. See the circuit diagrams
delivered with the drive. Obey the rules below:
1. Sum resistance of the external reset circuit must not be more than 1 kohm.
2. Obey the general control cable installation instructions given in the drive hardware
manual.
￭ Customer-installed main breaker in ACS880-07LC/17LC/37LC drives
ACS880-07LC/17LC/37LC drives can be delivered without a factory-installed main breaker.
In these cases, the customer must install and connect the main breaker to the safety circuit
as described in the circuit diagrams.
28 Electrical installation
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