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Contactor size 8, 2-pole, DC-3 and 5, 170 A at 750 V auxiliary contact

  1. SIEMENS 3TC5217-0LB4 4226280
Contactor, Size 8, 2-pole, DC-3 and 5, 170 A at 750 V Auxiliary contacts 21 (2NO + 1NC) 24V DC DC operation with varistor and series resistor Operating range 0.7 to 1.25 x US DC operation Contactor 3TC for switching DC voltage, 2-pole.The 3TC DC contactors offer convincing high performance from a compact design with high contact reliability. They are also characterized by their particularly long switching endurance. Pre-installed auxiliary switches reduce the complexity of your design. The devices are approved for worldwide use (e.g. IEC and UL/CSA).They are available in various sizes, with AC and DC operation, in various voltages and with various auxiliary contacts. The devices can be connected in the main circuit by means of rails.A wide range of accessories is available for these contactors, such as surge suppressors, auxiliary switches or terminal covers.