Description
The Siemens 3RT2027-1AC20 is a 3-pole IEC motor contactor in the S0 frame size, engineered for dependable switching and motor control in commercial and industrial HVAC applications. With a 32-amp continuous current rating and a 24V AC operating coil, this contactor is well-suited for fan motors, compressors, pump motors, and other inductive load applications where precise, reliable control is essential.
Key Features
- IEC S0 frame size contactor for compact panel integration
- 32A continuous current rating for robust motor load switching
- 24V AC control coil voltage for low-voltage control circuit compatibility
- Integrated 1NO/1NC auxiliary contact configuration for control and status signaling
- Screw-type terminal connections for secure, vibration-resistant wiring
- 3-pole main contact design for three-phase motor applications
- Part of the Siemens SIRIUS 3RT2 contactor family, known for long electrical and mechanical service life
Typical Applications
- Commercial HVAC fan and blower motor control
- Compressor and pump motor switching
- Industrial motor control panels and MCC assemblies
- Building automation and energy management systems
Product Specifications
- Brand: Siemens
- SKU / Part Number: 3RT2027-1AC20
- Frame Size: S0
- Continuous Current Rating: 32A
- Coil Voltage: 24V AC
- Auxiliary Contacts: 1NO / 1NC
- Terminal Type: Screw
- Pole Configuration: 3-Pole
- Product Family: SIRIUS 3RT2







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