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MS116-32

The ABB MS116‑32 is a compact and robust manual motor starter designed to provide both manual ON/OFF control and motor overload protection in a single unit. It combines a disconnect switch with thermal‑magnetic motor protection, allowing the device to safely start, stop, and protect three‑phase motors and related loads. The starter features an adjustable current setting range to match the motor’s rated current and includes clear ON/OFF/TRIP indication. Its design supports easy panel or DIN‑rail mounting and integrates safety features such as phase‑loss detection, temperature compensation, and a trip‑free mechanism for reliable motor protection.

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Technical Parameters Electrical Ratings Rated Operational Current (Ie): 25 … 32 A adjustable Number of Poles: 3 Rated Operational Voltage: Up to 690 V AC Rated Insulation Voltage (Ui): 690 V Frequency: 50 / 60 Hz Trip Class: Class 10 (thermal overload protection category) Service Short‑Circuit Breaking Capacity: ~50 kA @ 400 V AC Protection & Functional Features Motor Protection: Thermal overload protection with adjustable setting Magnetic instantaneous trip for short‑circuit response Phase loss protection Trip‑Free Mechanism: Yes (prevents contacts from welding closed under fault) Temperature Compensation: Ensures accurate trip behavior over ambient temperature variations Switch Function: ON/OFF with clear indicator Padlockable OFF Position: Yes, for maintenance safety Mechanical & Installation Control / Actuation: Rotary handle for manual operation Terminal Type: Screw terminals Mounting: Panel or DIN‑rail compatible Degree of Protection: IP20 Pollution Degree: 3 Connecting Capacity (typical): Main circuit: Flexible/rigid up to ~35 mm² depending on terminal Auxiliary circuits: Smaller cross‑sections as appropriate Tightening Torque: Typical motor starter recommended torque (e.g., ~3–6 N·m) Physical / Environmental Approx. Width: ~45 mm Approx. Height: ~97–100 mm Approx. Depth: ~85–90 mm Net Weight: ~0.30–0.35 kg Operating Ambient Temperature: approx. –25 °C to +60 °C Storage Temperature: broader industrial range