The Siemens 3RH2 Series Contactor Relays are climate-proof as well as finger-safe, according to IEC 60529. RC elements, varistors, diodes or diode assemblies (combination of a diode and a Zener diode) can be plugged into all contactor relays for damping opening surges in the coil. The 3RH2 contactor relays are available with screw or spring-type terminals. The basic unit contains four contacts with terminal designations according to EN 50011.
- Surge Voltage Resistance Rated Value: 6 kV
- Standards: IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1