Siemens 3RT2035-1KB40 Contactor

Siemens 3RT2035-1KB40 Contactor is a three-pole power switch from the SIRIUS family designed for AC-3e/AC-3 motor switching, capable of handling up to 41 A and 18.5 kW at 400 V with a 24 V DC coil. It incorporates an integrated varistor for transient suppression, and provides a single auxiliary contact set (1 NO + 1 NC) for control signaling. Wiring is via screw terminals, and the unit is built in frame size S2 with an upright mounting orientation, suitable for direct connection to PLC outputs in electrical control schemes.

• Poles: 3
• Coil voltage: 24 V DC
• Main circuit rating: AC-3e/AC-3
• Current rating: 41 A
• Load power rating: 18.5 kW at 400 V
• Auxiliary contacts: 1 NO + 1 NC
• Terminals: screw terminals
• Frame size: S2
• Mounting: upright
• Protection: integrated varistor