Parameters Category Parameter Specification for MS325-2.5 General Product Type Manual Motor Starter / Motor Protection Circuit Breaker Series MS325 (System Pro M compact®) Rated Operational Current (Iₑ) 2.5 A (at 400V AC, AC-3 duty) Rated Voltages & Duty Rated Insulation Voltage (Uᵢ) 690 V AC / 250 V DC Utilization Category AC-3: Squirrel cage motor switching AC-1: Resistive load switching Rated Operational Voltage (Uₑ) Up to 400 V AC, 50/60 Hz (for motor loads) Switching & Protection Rated Operational Power (Pₑ) ~1.1 kW (at 400V AC, 3-phase) Overload Protection Thermal (Bi-metal), Class 10 Short-Circuit Protection Magnetic (Solo-trip), typically "C" curve (5-10 x Iₙ). Confirm via full order code. Rated Short-Circuit Breaking Capacity (Iᶜⁿ) Typically 6 kA (at 400V AC, according to EN 60947-2) Mechanical & Electrical Number of Poles 3 Poles (for 3-phase motors) Control Method Manual toggle operation (I-O lever) Trip Indication Visual flag (red) Electrical Life (AC-3) ≥ 10,000 cycles Mechanical Life ≥ 20,000 cycles Terminals Terminal Type Cage clamp (spring) terminals for quick wiring. Acceptable Cable Size Solid/Fine-stranded: 0.75 - 4 mm² With ferrule: 0.75 - 2.5 mm² Torque Not required (spring clamp) Standards & Approvals Compliance Standards IEC/EN 60947-1, IEC/EN 60947-2, IEC/EN 60947-4-1 Certifications CE, cULus, CCC, etc. Environmental Operating Temperature -25°C to +60°C (calibrated at +40°C) Storage Temperature -40°C to +70°C Altitude Up to 2000 m without derating Pollution Degree PD 2 Protection Degree IP20 (as mounted in enclosure) Physical & Mounting Mounting 35 mm top-hat DIN rail (EN 60715) Dimensions (W×H×D) Approx. 53 × 77 × 67 mm (3-pole unit) Weight Approx. 0.14 kg Motor Data Reference Motor Power at 400V 3ph Approx. 1.1 kW (~1.5 HP) Motor Power at 230V 3ph Approx. 0.55 kW (~0.75 HP) Motor Power at 230V 1ph Approx. 0.37 kW (~0.5 HP)