Specifications General Product Name: Auxiliary Contact Block Model / Part Number: S2C‑H02R (10120503) Accessory Type: Auxiliary contact for miniature circuit breakers Mounting Position: Right‑side mount on breaker Compatible With: ABB S‑series MCBs and compatible RCDs in the S‑range Contact Arrangement Contacts: 2 auxiliary contacts Operation: Simultaneous switching with breaker actuation for status signaling Contact Function: Provides open/closed indication of breaker position Electrical Ratings Rated Insulation Voltage (Ui): Up to 400–500 V AC (standard auxiliary voltage rating) Rated Operational Voltage: Up to 250–400 V AC (auxiliary circuits) Rated Frequency: 50 Hz / 60 Hz Rated Operational Current: Low control currents typical for auxiliary/indicator circuits Suitable for PLC/automation inputs, alarm circuits, and signal lamps Mechanical Mounting: Clip‑on accessory that attaches to the right side of the breaker Connection: Screw terminals for field wiring Terminal Wire Size: Suitable for small control wire (e.g., 0.5–2.5 mm²) Compact Design: Minimal added width to the breaker assembly Performance & Environment Contact Durability: Designed for frequent auxiliary switching in control logic Ambient Temperature: Standard electrical distribution board conditions Pollution Degree: Rated for typical commercial/industrial panel environments Protection: IP20 at terminals Applications Breaker status indication: Remote ON/OFF/TRIP signals Control logic: Interface with PLC, BMS, or automation systems Alarm circuits: Remote alarm indication Interlocking: Use in safety or interlock schemes where breaker status is required