Siemens Industrial Controls 3RT2027-1AN20 Contactor 320735-701 always verify your fan blade

always verify your fan blade pitch before installation to ensure proper airflow direction

With both the high and low-pressure ports vented to the atmosphere

Designed to maintain an optimal superheat balance

ensuring the pressurized heat exchanger operates at peak thermal efficiency

Siemens Industrial Controls 3RT2027-1AN20 Contactor 320735-701 always verify your fan bladeAs a core component of the SIRIUS 3RT2 system, the Siemens 3RT2027 1AN20 is a heavy duty 3 pole power contactor designed for demanding industrial motor control applications. This Size S0 contactor delivers a robust 32A (AC 3) rating and is optimized for HVACR and automation environments, supporting up to 15 kW at 400V. Field ready for 220V AC 50 60Hz control logic, this unit features integrated auxiliary contacts (1NO + 1NC) for immediate status