4-Pole Contactors

4-Pole Contactors

Our comprehensive range of contactors also offers the ideal solutions for special applications. Our single-phase 3RT23 AC contactors can now be used, for example, for switching resistive circuits up to 140A with a mounting width of up to 70mm. We offer the 4-pole 3RT25 contactor for implementation in crane motors or as braking protection. The new 3RT2 contactor series is available for your main and auxiliary circuits with screw terminals or spring-loaded terminals.


3RT23 4-pole Contactor for Resistive Loads:

  • 3RT23 4-pole Contactor for Resistive Loads: 3RT23 contactors are suitable for any climate and are finger safe (according to EN 50274)

  • Switching resistive loads

  • Isolating systems with ungrounded or poorly grounded neutral conductors

  • System transfers when alternative AC power supplies are used

  • Use as contactors which only carry current and do not have to switch in case of inductive loads – e. g. variable-speed drives

  • Switching mixed loads in distribution systems (e. g. for supplying heaters, lamps, motors, PC power supply units) with p.f. > 0.8 according to IEC 60947-4-1, test conditions for utilization category AC-1


3RT25-2NO/2NC Contactors:

  • 3RT25-2NO/2NC contactors are suitable for any climate and are finger safe (according to EN 50274)

  • Is suitable for changing the polarity of hoisting gear motors and switching two separate loads

  • Note: Single device for pole reversal; not suitable for reversing duty.

  • Available in sizes S00, S0 and S2 with 4 main contacts having 1NO and 1NC auxiliary contacts (S00 is either 1NO or 1NC auxiliary contact).


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