Siemens 3RV1923-1CA00 Switch Box is a molded-plastic enclosure designed for surface mounting to house 3RV1-series motor protection devices, specifically intended for use with Siemens 3RV20–3RV24 circuit breakers. It provides N and PE terminal connections, is rated IP55 for protection against dust and water, and can be locked in the Off (O) position for safe maintenance. The enclosure accepts a 54 mm metric cable gland and measures 85 mm wide by 155 mm high by 126 mm deep (W x H x D). This accessory housing is offered by Siemens as a switch box for the 3RV20–3RV24 family and carries no UL/CSA approval.
