The Schneider Electric motor protection switch 21111 is a reliable device specifically designed to protect AC and DC motors. With a rated current of 18 A and a rated voltage of 400 V, this three-pole switch provides effective protection against overload and short-circuit currents. Its compact design, with a mounting depth of only 44 mm, allows for easy installation, while the IP20 protection class makes it suitable for use in dry indoor environments. The motor protection switch is designed for an ambient temperature range of -20 to 60 °C and can be connected with a conductor cross-section of 1 to 6 mm². With a high rated breaking capacity of up to 100 kA at 230 V and 15 kA at 400 V, it meets the requirements of the IEC 60947-2 standard, ensuring high operational safety.

• High rated breaking capacity of up to 100 kA
• Suitable for the protection of AC and DC motors
• Compact design with only 44 mm mounting depth
• Operating temperature range of -20 to 60 °C.