Specifications General Product Type: Manual Motor Starter / Manual Motor Protector Series: MS325 Model: MS325‑0.4 Rated Operational Current: ~0.4 A (with adjustable setting range typically from ~0.25 A to 0.4 A) Number of Poles: 3‑pole (three‑phase protection) Manual Control: Rotary handle with ON/OFF indication Electrical Rated Operational Voltage (Main Circuit): Up to 690 V AC Rated Control Frequency: 50/60 Hz Thermal Overload Protection: Integrated thermal‑magnetic trip element Trip Class: Class 10A (time‑current tripping characteristic), providing overload protection Short‑Circuit Protection: Trip‑free mechanism to interrupt fault current quickly Phase Loss Protection: Yes (protects against phase failure/imbalance) Disconnect Function: Yes (isolates motor circuit when OFF) Motor Ratings: Suitable for motors up to ~0.4 A FLA (approx. ~2.4 A LRA at low voltage) across three‑phase systems per standard motor rating tables used by this series. Mechanical & Performance Handle Type: Manual rotary handle Enclosure Protection: IP20 (standard for panel installation) Mounting: Panel/DIN‑rail compatible Operating Cycles: Around 50,000 electrical and 100,000 mechanical cycles typical for starter class devices Trip‑Free Mechanism: Yes (prevents holding ON under fault conditions) Phase Compensation: Yes (temperature and phase imbalance compensation included) Physical Compact Design: Suitable for space‑constrained control panels Connection Terminals: Screw terminals Approximate Dimensions: Standard small‑starter size (~54 mm width typical for MS325 range) Weight: Lightweight design (compact starter) Environmental Operating Ambient Temperature: –25 °C to +50 °C (typical industrial ambient range) Storage Temperature: Standard industrial storage range Pollution Degree: Suitable for typical industrial panel environments Altitude: Up to typical installation altitudes (without derating) Typical Applications Manual start/stop and overload protection for small three‑phase motors HVAC systems, small pumps, fans, compressors Machine tool motor protection Conveyor and light industrial applications Control panels requiring motor protection without separate fuses