It is a 3-pole (3 NO) device rated for 185 A operational current and 90 kW at 400 V AC under AC-4 duty — the category for reversing, inching, and plugging applications where the contactor makes and breaks motor starting current repeatedly. The magnetic latching mechanism holds the contacts closed without continuous coil power — the coil draws 1750 VA during the latching pulse and only 11 VA to unlatch, making it suitable for applications where sustained coil power is undesirable or where a power loss must not drop out the load. Control voltage is dual-rated for 230 V and 110 V, both AC (50-400 Hz) and DC, with a latching and unlatching tolerance of 0.85 to 1.1 times Uc.
Sourcing Reality — Obsolete Status
If you are maintaining a panel with this contactor and need a drop-in replacement, verify the mounting footprint, coil voltage, and power ratings against a current TeSys F or TeSys Giga equivalent — the physical dimensions (181 mm depth, 168.5 mm width, 174 mm height) and bolted power connections will guide the mechanical fit check.
For less severe AC-3 duty (starting, stopping at rated load), the operational current is 185 A at <= 440 V, which covers most standard motor starting applications. Rated insulation voltage (Ui) is 1000 V per IEC 60947-4 and BS 775, with a VDE 0110 Group C rating of 1500 V — this gives headroom for 690 V or 1000 V line supplies. The rated short-time withstand current (Icw) is 1500 A for up to 10 seconds at 40 °C, which supports coordination with upstream protective devices. Operating altitude is 3000 m without derating, and the ambient temperature range is -15 to 70 °C — suitable for most indoor industrial environments without forced cooling. Associated fuse recommendations are 200 A aM, 315 A BS88, or 315 A gG at <= 440 V — these are the maximum fuse sizes for short-circuit protection, not the motor overload setting.
Integration Notes
Power circuit connections are bolted — bars (busbar cross-section 25 x 3 mm), lugs-ring terminals up to 150 mm², or connector up to 150 mm². Tightening torque is 18 N.m. The contactor is designed for panel mounting with a 3-pole footprint; no DIN-rail clip is standard for this frame size. Operating time is 35-40 ms for latching and 50-100 ms for unlatching — fast enough for most sequencing but not suitable for high-speed synchronous switching. Maximum operating rate is 120 cycles per hour at 40 °C. Power dissipation per pole is 12 W under AC-3 and 26 W under AC-1 — account for 36-78 W total heat in the enclosure when sizing ventilation.