3RT5045-1AC20

Product ID:194608
Updated: 2026/7/4
Siemens 3RT5045-1AC20

Key Features

  • 1Control 3-phase motors reliably with a 37 kW AC3 rating.
  • 2Apply across HVAC, pumps, and conveyor systems.
  • 3Ensure efficient operation at 400 V for reduced energy costs.
  • 4Simplify installation using S3 screw terminals.
  • 5Meet RoHS and WEEE environmental compliance standards.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Main Contact Configuration
3NO
Wiring Method
Screw Terminal
Auxiliary Contacts
None
Coil Frequency
50/60HZ
Coil Power Supply
AC
Number of Poles
3P
Rated Current AC-3
80A
Specification
S3
Product Type
Contactor
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model
3RT5045-1AC20

Specifications may be subject to change without notice

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