Power contactor, Application: Power contactor for motors, Power contactors up to 170 A, 3-pole, Utilization category: AC-1: Non-inductive or slightly inductive load, resistance furnaces, AC-3: Squirrel cage motors: starting, switching off during operation, AC-4: Squirrel cage motors: starting, countercurrent braking, reversing, inching, Connection technology: Screw terminals, Note: Not suitable for motors of efficiency class IE3., Poles: 3-pole, Rated operating current AC-3 380 V 400 V: Ie= 38 A, Rated operating current AC-1 conventional thermal current, 3-pole, 50 - 60 Hz open at 40 °C: Ith = Ie= 45 A, encapsulated: Ith= 36 A, Rated operating current AC-1 conventional thermal current 1-pole open: Ith= 100 A, encapsulated: Ith= 90 A, max. rated operating power three-phase motors 50 - 60 Hz AC-3 220 V 230 V: P= 11 kW, 380 V 400 V: P= 18.5 kW, 660 V 690 V: P= 21 kW, max. rated operating power three-phase motors 50 - 60 Hz AC-4 220 V 230 V: P= 4 kW, 380 V 400 V: P= 7 kW, 660 V 690 V: P= 10 kW, contact configuration Ö = break contact: 1 Ö, notes: switching elements in accordance with EN 50012, integrated protective circuit in the control electronics, with mirror contact, current type AC/DC: direct current operation
| Property | Value |
| Number of normally open contacts as main contacts: | 3 |
| Number of auxiliary contacts as normally closed contacts: | 1 |
| Rated operating power at AC-3, 400 V: | 18.5 kW |
| Rated operating power at AC-4, 400 V: | 7 kW |
| Rated operating current Ie at AC-1, 400 V: | 45 A |
| Rated operating current Ie at AC-3, 400 V: | 38 A |
| Rated operating current Ie at AC-4, 400 V: | 15 A |
| Voltage type for actuation: | DC |
| Rated control supply voltage Us at DC: | 200 to 240 V |
| Connection type main circuit: | Screw connection |
| Suitable for series installation: | no |
| Rated operating power NEMA: | 14.9 kW |
