Siemens 3RV1031-4BB10 Motor Protection Switch is a 3‑pole motor protection device rated for 20 A, designed to interrupt current to a three‑phase motor when an overload or fault is detected. It is used in motor control circuits to provide overload protection for three‑phase motors, helping to prevent damage from sustained overloads. The model 3RV1031-4BB10 specifies a 3‑pole configuration with a 20 A nominal rating, making it suitable for motor protection in industrial control panels and similar installations.
