Residual Current Devices RCDs

ABB Residual Current Devices RCDs / DS203NC Page 2 ⍾ ABBLast modified

The ABB DS203NC catalog comprises 3P+N residual current circuit breakers with overcurrent protection (RCBOs) in four modules. These devices provide protection against short-circuit currents, overload, earth fault currents, indirect contacts, and offer additional protection against direct contacts.