The Siemens 3RV2 Series Under Voltage Release Coil operates at 400V AC, designed to enhance the safety of electrical systems by automatically disconnecting power during voltage drops. Compact in size, it measures 18.5 x 90 x 68 mm, ensuring easy integration into existing setups. Ideal for use with 3RV2 Series Circuit Breakers, this coil provides reliable performance in automation applications, safeguarding equipment from potential damage caused by undervoltage conditions.