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OS32D12

The ABB OS32D12 is a 32 Ampere, Double-Pole (2P) Rotary Isolating Switch (Switch-Disconnector) from the ABB OS Series. It is a manual, load-breaking switching device designed primarily for safe isolation of electrical circuits. Its core function is to provide a visible, reliable "off" position to de-energize equipment for maintenance or repair, while also being capable of making and breaking load currents under normal operating conditions.

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Technical Parameters Parameter Description / Value Product Series ABB OS Series (Rotary Isolating Switch) Device Type Switch-Disconnector, Load Break Switch Number of Poles 2 Poles (2P) Rated Operational Current (Ie) 32 A Rated Operational Voltage (Ue) Up to 690 V AC Rated Impulse Withstand Voltage (Uimp) 6 kV Utilization Category AC-22A / AC-23A (Suitable for switching mixed resistive and inductive loads, such as motor loads). Rated Making & Breaking Capacity At 400V AC: Typically 10 x Ie (320A) for making, 8 x Ie (256A) for breaking. (Must confirm with official data) Mechanical Durability Typically > 20,000 operating cycles (no load). Electrical Durability Typically > 10,000 operating cycles at rated current. Terminals Screw clamp terminals, suitable for solid and stranded conductors. Mounting DIN Rail Mounting (35mm, EN 60715). Control Manual rotary handle (0°=OFF, 90°=ON). Safety Features Padlocking facility in OFF position (up to 3 padlocks). Standards IEC/EN 60947-3, IEC/EN 60947-1 Ambient Temperature -25°C to +60°C (operation)