3RT2045-1AP00

Siemens 3RT2045-1AP00 SIRIUS power contactor, Size S3, 230VAC
Siemens 3RT2045-1AP00 SIRIUS power contactor, Size S3, 230VAC

The Siemens 3RT2045-1AP00 is a SIRIUS 3RT2 series Size S3, 3-pole contactor with AC-3 rated current of 80A and 37kW (400V), control voltage of 230VAC/50Hz, and equipped with 1NO+1NC auxiliary contacts.

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Siemens 3RT2045-1AP00 SIRIUS power contactor, Size S3, 230VAC
Product Positioning

The Siemens 3RT2045-1AP00 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 direct starting and switching control of general motors. The Siemens 3RT2045-1AP00 controls at 230VAC/50Hz, is equipped with 1 NO + 1 NC auxiliary contacts, screw terminal connections, and has a typical mechanical life of 10 million cycles, and an AC-4 electrical life of approximately 200,000 operating cycles.

Core Product Advantages and Features
Size S3 standard contactor
AC-3 rated current 80A, 37kW (400V), suitable for general motor starting and switching.
230VAC control voltage
Rated at 50Hz, with 1NO+1NC auxiliary contacts, providing complete monitoring feedback.
High insulation withstand voltage design
The main circuit has an insulation voltage of 1000V, and the auxiliary circuit has an insulation voltage of 690V, ensuring safety and reliability.
Lifetime integrity specifications
The mechanical life is 10 million cycles, and the AC-4 electrical life is approximately 200,000 operating cycles.
project Specification
Rated current (AC-3) 80 A
Rated power 37 kW / 400V
Extreme number 3 poles
Control/coil voltage 230 VAC / 50Hz
Auxiliary contact configuration 1NO+1NC
Applicable series/Size SIRIUS 3RT2 / Size S3
Terminal type Screw terminals
External dimensions 140 x 70 x 152 mm
weight Approximately 1.714 kg
Main circuit insulation voltage 1000V
Auxiliary circuit insulation voltage 690V
Mechanical life Typical 10 million operation cycles
Electrical life (AC-4) Approximately 200,000 operation cycles
Protection level IP20
Certification CSA, UL, KC, EAC, CCC and classification society certifications

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