Technical Parameters General Product Type: Manual load switch / Switch‑Disconnector Model / Variant: OT400E03WP Poles: 3 (three‑pole) Mounting: Base mounting, front operated Actuator: Black operating handle with shaft included Padlock Capability: Can be locked in OFF position Device Construction: Enclosed fixed installation type Electrical Ratings Rated Continuous Current (Iu): 400 A Rated Operational Voltage (Ue): up to 1000 V AC Rated Operational Current (AC‑21A/AC‑22A/AC‑23A): 400 A across typical low‑voltage AC systems Rated Operational Power (AC‑23A): ~132 kW at 220–240 V ~230 kW at 400–415 V ~280 kW at 500 V ~400 kW at 690 V Rated Insulation Voltage (Ui): 1000 V Rated Impulse Withstand Voltage (Uimp): 12 kV Rated Short‑Time Withstand Current (Icw): ~15 kA for 1 s Short‑Circuit Making Capacity (Icm): ~65 kA (at 690 V) Conditional Short‑Circuit Current (Icn): up to ~100 kA with proper fusing Mechanical & Connections Number of Switches: 1 Terminal Type: Lug/bolt connections Wide Phase Spacing: Yes (larger phase separation for safer high‑current routing) Operating Mode: Front operated Distance Between Phases: Standard widened spacing Mechanical Durability: Designed for long service life with frequent operation Physical & Environmental Protection Rating: Front IP00 (terminals not finger‑safe without enclosure) Pollution Degree: Industrial (Pollution degree 3) Handle Color: Black Operating Temperature: Standard industrial ambient range Installation Location: Suitable for distribution boards and equipment panels Standards Compliance Designed to meet IEC 60947‑3 (Low‑voltage switch‑disconnector standards) Applications Main power isolation in electrical panels Maintenance and service disconnect in power distribution Load switching for motors, feeders, and general circuits Use in industrial, commercial, and utility power systems