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Siemens - 3RA1444-8XC21-1AL2 CONTACTOR ASSEMBLY STAR-DELTA (WYE-DELTA) WITH LATERAL TIMING RELAY AC-3, 55 KW/400 V, 3-POLE SIZE S3, S3, S2 ELECTRICALLY INTERLOCKED SCREW TERMINAL 230 V AC, 50/60 HZ

3RA14448XC211AL2

Siemens 3RA1444-8XC21-1AL2 Electrical Contactors
Images are for illustrative purposes only

Manufacturer: Siemens
CONTACTOR ASSEMBLY STAR-DELTA (WYE-DELTA) WITH LATERAL TIMING RELAY AC-3, 55 KW/400 V, 3-POLE SIZE S3, S3, S2 ELECTRICALLY INTERLOCKED SCREW TERMINAL 230 V AC, 50/60 HZ

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SIRIUS 3 Pole 55 kw Contactor

!!! PHASED-OUT PRODUCT !!! SUCCESSOR IS SIRIUS 3RA2

Siemens SIRIUS 3 pole Contactor assembly for use in Star-delta (wye-delta) starting systems, with a lateral timing relay and 4 NO axillary contacts, and can be screw or snap-on mounting onto 35mm standard mounting rails. This versatile contactor is rated at 55 kW/400 V (AC-3), Size S3, S3, S2, with electrically interlocked Screw terminals rated at 230 V AC, 50/60 Hz.

3 Pole SIRIUS Contactor Specification

  • 3 Pole Contactor assembly - Wye-delta contactor
  • Insulation voltage 690 V, degree of pollution 3
  • Operational current 115 A (AC-3 400V)
  • Operating power 55 kw at 400 V AC-3, 93kw at 690 V
  • Motor current 77.6 – 108.6 A (400 V)
  • Control supply voltage 230 V
  • Size of contactor S3, S3, S2
  • Auxiliary extension switch
  • Auxiliary contacts 4 NO
  • IP20 protection rating

Product Information

Manufacturer: Siemens
Pricing Unit: Each
Weight: 5.620 kg (each)
Tariff code: 85364900
Generic code: 101
GTIN/UPC/EAN: 4011209377967

Product Details

ETIM Group: Low-voltage industrial components
ETIM Class: Combination of contactors
Degree of protection (IP): IP20
Function: Star-delta contactor
Number of normally closed contacts as main contact: 0
Number of normally open contacts as main contact: -
Rail mounting possible: -
Rated control supply voltage Us at AC 50HZ: 230 - 230V
Rated control supply voltage Us at AC 60HZ: 230 - 230V
Rated control supply voltage Us at DC: - -
Rated operation current Ie at AC-1, 400 V: -
Rated operation current Ie at AC-3, 400 V: 115A
Rated operation power at AC-3, 400 V: 55kW
Rated operation power NEMA: -
Type of electrical connection of main circuit: Screw connection
Voltage type for actuating: AC

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Kempston Controls is electrical and electronic components distributor, providing fuses, sensors, control components, industrial automation equipment and more. If you would like to discuss any of the parts which you see on our online store, please contact our dedicated sales centre on +44 (0) 1933 411411.

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