Key Specifications Electrical Ratings Model: MS132‑6.3 Function: Manual motor starter / Motor protection circuit breaker Adjustable Current Range: 4.0 – 6.3 A (thermal overload setting) Rated Operational Current (Ie): 6.3 A Rated Insulation Voltage (Ui): 690 V AC / 250 V DC Rated Operational Voltage (Ue): Up to 690 V AC (50/60 Hz) Rated Operational Power (AC‑3): ~2.2 kW @ 400 V AC (three‑phase) Breaking Capacity (Ics): 100 kA Trip Class: Class 10 (thermal trip characteristic) Protection & Functionality Overload Protection: Adjustable thermal overload to protect motors from overcurrent. Short‑Circuit Protection: Built‑in automatic short‑circuit interruption; no external fuse required. Phase Failure Sensitivity: Detects loss of phase to prevent motor damage. Disconnect Feature: Acts as a manual disconnect switch. Mechanical & Installation Poles: 3‑pole (3P) Control Type: Rotary handle with ON/OFF/TRIP indicator Handle Lockable: Yes Mounting: Standard TH35 DIN rail compatible Terminal Connections: Screw terminals Environmental & Physical Protection Rating: IP20 (finger‑safe enclosure) Operating Temperature: −25 °C to +70 °C Storage Temperature: −40 °C to +80 °C Dimensions: ~45 mm width × ~90 mm height × ~86.8 mm depth Mechanical Lifespan: ~100 000 switching cycles Typical Applications Motor control and protection in industrial automation systems Protection of small motors in pumps, fans, conveyors Manual switching and thermal protection combined in motor control panels Applications in three‑phase and single‑phase circuits where motor protection is required