Description
Siemens 3RT2038-1AC20 IEC Motor Contactor Overview
The Siemens 3RT2038-1AC20 is a heavy-duty IEC motor contactor engineered for dependable switching performance in commercial and industrial HVAC, motor control, and power distribution applications. Rated at 65 amps with a 24V AC control coil, this contactor delivers robust load switching in a compact, DIN-rail-mountable package. The screw terminal connection style ensures secure, vibration-resistant wiring, while the integrated 1NO/1NC auxiliary contact block provides built-in status feedback and control circuit flexibility right out of the box.
Key Features
- 65A AC-3 rated current for reliable motor load switching
- 24V AC control coil voltage for low-voltage control circuit compatibility
- Screw terminal connections for secure, maintenance-friendly wiring
- Integrated 1NO/1NC auxiliary contacts for status signaling and interlocking
- IEC-rated design per EN/IEC 60947-4-1 standards
- DIN rail mountable for panel integration
- 3-pole main contact configuration
- Part of Siemens SIRIUS 3RT2 modular contactor family
- Compatible with Siemens 3RT2 series accessories, overload relays, and add-on contact blocks
Typical Applications
- HVAC compressor and fan motor control
- Commercial rooftop unit and air handler motor switching
- Industrial motor control centers (MCCs)
- Pump and conveyor motor starters
- Building automation and control panel assemblies
Why Choose the Siemens 3RT2 Series
The SIRIUS 3RT2 contactor family is renowned in the industry for its modular design, long electrical and mechanical service life, and straightforward integration with Siemens overload relays and soft starters. The 3RT2038-1AC20 is an ideal drop-in solution for OEM panel builders and HVAC technicians who require a proven, code-compliant contactor with a low-voltage 24V AC coil.
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