3RH21 aux. contactor, S00, with series resistor, with aux. contacts 1 NO + 2 NC, integral varistor
3RH21 aux. contactor, S00, with aux. contacts 2 NO + 2 NC, integral varistor
3RH21 aux. contactor, S00, with series resistor, with aux. contacts 1NO+2NC, integral suppressor diode
3RH21 aux. contactor, S00, with series resistor, with aux. contacts 1 NO + 2 NC, integral suppressor diode
3RH21 aux. contactor, S00, with aux. contacts 2 NO + 2 NC, integral suppressor diode
S00, 4-pole, 2NO + 2NC, suppressor diode integrated