ABB Motor Protection Circuit Breaker MS116 Series 16A, 20 A Current Rating, 690V AC, 3 Poles, IP20 Protection MS116

ABB MS116 Motor Protection Circuit Breaker MS116 Series is engineered for the reliable protection of motor circuits with current ratings of 16A and 20A at a supply voltage of 690V AC. This new circuit breaker series features current sensing technology and rotary handle actuation for straightforward operation.

The unit’s slim profile (97.8mm length, 45mm width, and 86.6mm depth) enables installation into compact control cabinets and machinery panels. Its IP20 rating means the device is touch-safe, providing protection against intrusion by fingers and tools larger than 12 mm.

Tested to withstand impulse voltages up to 6kV, the MS116 ensures safety and durability even under electrical stress. The breaker provides a short-circuit breaking capacity of 2kA, protecting your equipment from damage caused by overloads or short circuits.

This circuit breaker is designed to operate reliably within temperature extremes from -25°C up to +70°C, making it suitable for harsh industrial environments. It features a mechanical durability rating of 100,000 cycles, ensuring extended operational life and minimizing downtime.

International approvals including UL, IEC 60 947-1/-2, cUL, CSA, CE, and CCC underline the quality and compliance of this device with global safety and performance standards. The MS116 series offers robust motor protection with current sensing type circuitry.

Equipped with three poles for optimal control and disconnection. Compact dimensions of 97.8mm length, 45mm width, and 86.6mm depth allow installation in confined spaces. Rated for a switching capacity of 2kA with rotary handle actuation for user-friendly operation.

Operates safely over a broad ambient temperature range from -25°C to 70°C. IP20 rated housing provides touch protection and resistance to large solid objects. Complies with various international standards including UL, IEC 60 947-1/-2, cUL, CSA, CE, and CCC.

Suitable for industrial applications including mills, crushers, pneumatic equipment, and HVAC systems. Lightweight design at approximately 310 grams ensures easy handling and mounting. Mechanical durability rated for 100,000 operational cycles ensures long service life.

Common applications include protection of motors in mills and crushers, pneumatic equipment, and heating, ventilation, and air conditioning (HVAC) systems. The compact and reliable design ensures this circuit breaker is an excellent choice for protecting motor circuits in demanding industrial environments.

Browse the Motor Protection Circuit Breaker category on EnvMart for more industrial-grade circuit protection solutions from ABB and other leading brands.