Siemens Power contactor, 20-33 V AC/DC, 3-pole, size S3


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The compact Siemens power contactor is typically used to control motors, plants and to turn on electrical heating systems. The 3RT2047-1NB30 is ideal for the performance range up to 55 kW at AC-3/400 V. The SIRIUS power contactor uses a control supply voltage of 20-33 V AC/DC and features one NC and one contact as auxiliary contact as well as a useful screw-type connection. In size S3, the power contactor is a great solution for all load feeders with the circuit breakers 3RV2011 and 3RV2311.



Design: Power contactor

Auxiliary contacts: 1 x NO/NC

Pole: 3-pole

Size of contactor: S3

Electrical data

Insulation voltage: 690 V

Impulse voltage resistance: 6 kV

Mechanical data

no-load switching frequency: AC 1000 1/h and DC 1000 1/h

Dimensions (H x W x D): 140 x 70 x 152 mm

Ambient conditions

Ambient temperature: -25 °C to 60 °C

Protection rating: IP20

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