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Motor Protection & Motor Starters

ABB MS116-4.0 MANUAL MOTOR STARTER 2.5 ... 4.0 A MS116-4.0

Product Code: MS116-4.0

The MS116-4.0 manual motor starter (also known as motor protection circuit breaker or manual motor protector) is a compact 45 mm width device with a rated operational current of Ie = 4.0 A. This device is used to manually switch on and off motors and to protect them reliably and without the need for a fuse from short-circuits, overload and phase failures. The manual motor starter offers a rated service short-circuit breaking capacity Ics = 50 kA at 400 VAC and trip class 10A. Further features are the build-in disconnect function, temperature compensation, trip-free mechanism and a rotary handle with a clear switch position indication. The manual motor starter is suitable for three- and single-phase applications. Auxiliary contacts, signaling contacts, undervoltage releases, shunt trips, 3-phase bus bars, power in-feed blocks and locking devices for protection against unauthorized changes are available as accessory.

Technical Specifications

Design of Control Element Turn Button
Main Circuit Electrical Connection Screw Connection
Overload Release Current Setting (A) 2.5
Phase Failure Sensitive Yes
Rated Instantaneous Short-Circuit Current - Ii (A) 50
Rated Operational Current (A) 4
Switching Type Thermomagnetic
Thermal Overload Protection Yes
Brand ABB
Breaking Capacity 400V AC - Icu (kA) 75
Degree of Protection IP20
Dimensions (mm) 45W x 90H x 85.6D
No. of Poles 3
Power Loss (W) 5.4
Rated Insulation Voltage (V) 690
Rated Operational Power AC-3 400V (kW) 1.5
Rated Operational Voltage (V) 690
Rated Uninterrupted Current - Iu (A) 4
Terminal Type Screw Terminals
Thermal Current Setting Range (A) 2.50 - 4.00

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