3RT2045-3AN20

Siemens 3RT2045-3AN20 SIRIUS power contactor, Size S3, 220VAC
Siemens 3RT2045-3AN20 SIRIUS power contactor, Size S3, 220VAC

The Siemens 3RT2045-3AN20 is a size S3, 3-pole contactor from the SIRIUS 3RT2 series. It has an AC-3 rated current of 80A and a power of 37kW (400V), a control voltage of 220VAC, and is equipped with 1NO+1NC auxiliary contacts and spring terminals.

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Siemens 3RT2045-3AN20 SIRIUS power contactor, Size S3, 220VAC
Product Positioning

The Siemens 3RT2045-3AN20 power contactor is a Size S3, 3-pole design from the SIRIUS 3RT2 series. It has an AC-3 rated current of 80A and a rated current of 37kW (400V), suitable for general motor starting and switching control. The Siemens 3RT2045-3AN20 controls at 220VAC, is equipped with 1NO+1NC auxiliary contacts, uses spring-loaded terminal connections, has an insulation voltage of 1kV, and can withstand operating environments from -25°C to 60°C.

Core Product Advantages and Features
Size S3 standard contactor
AC-3 rated current 80A, 37kW (400V), suitable for general motor starting and switching.
220VAC control voltage
Equipped with 1 NO + 1 NC auxiliary contacts, providing complete monitoring feedback and stable operation.
Spring-loaded terminal design
Screwless quick wiring, insulation voltage up to 1kV, protection level IP20.
Wide operating temperature range
It can operate stably from -25°C to 60°C and is suitable for various industrial environments.
project Specification
Rated current (AC-3) 80 A
Rated power 37 kW / 400V
Extreme number 3 poles
Control/coil voltage 220 VAC
Auxiliary contact configuration 1NO+1NC
Applicable series/Size SIRIUS 3RT2 / Size S3
Terminal type Spring-type terminals
Insulation voltage 1 kV
Operating temperature range -25°C ~ 60°C
Protection level IP20

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