1. The Siemens 3SK1121-1AB40 is a 3-phase contactor with an AC-3 rating and 4-pole, 100-rated current.
2. This contactor is designed for use in reversing, switching, and controlling applications, such as conveyer systems, kitchen machines, and electric motors.
3. It is equipped with a short circuit protection and fault signalling contact for added safety. The electromechanical life of the contactor is up to 1 million operations. It is constructed with a coil of 125 Volt AC, in order to provide active switching power or braking functions.
4. It comes with a standard contactor overlay mounted coil, an LED indicating the activation state, and a 1-axis adjustment mechanism. It also has a contact resistance of 100 milliohms and a maximum switching capacity of 32 amps.