GE – MARN413AT (100988) – 1NO + 3NC Front-Mount Auxiliary Contact Block

The GE MARN413AT (part number 100988) is a reliable front-mount auxiliary contact block designed for GE Series M contactors (6–12 A). Featuring 1 normally-open (NO) and 3 normally-closed (NC) screw-terminal contacts, it clips easily onto the front of a contactor to enable added control or signaling functionality in industrial automation systems.

Key Features & Specifications

• Model / P/N: MARN413AT / 100988  

• Contact Configuration: 1 NO + 3 NC

• Terminal Type: Screw clamp terminals—suitable for standard control wiring  

• Mounting Style: Clip-on front mounting on GE Series M contactors or compatible ABB variants  

• Standards: Meets EN 50005 / IEC 60947‑5‑1 for auxiliary contacts  

• Compact & Durable: Lightweight, IP20 protection; up to six auxiliary blocks supported per contactor