Siemens Industrial Controls 3RT2038-1AC20 Circuit breaker 326070-701 The Trane MOD2666 Module is

The Trane MOD2666 Module is an essential Economizer Logic Module engineered for high-performance Reliatel air handling systems and unitary rooftop units

the HD44AR332 ensures plug-and-play compatibility with existing HVAC control boards

Durable Metal Construction: Safe for use in plenum-rated spaces and fire-regulated environments

Replacing a worn or failed motor with the correct OEM component helps improve airflow

Contractor Friendly: Polarity insensitive sensing and standard 1/4" quick-connect terminals simplify the upgrade or replacement process

Siemens Industrial Controls 3RT2038-1AC20 Circuit breaker 326070-701 The Trane MOD2666 Module isThe Siemens 3RT2038 1AC20 is a heavy duty SIRIUS S2 power contactor designed for demanding commercial and industrial HVACR applications. Engineered for switching motors and inductive loads in the AC 3e AC 3 category, this 3 pole unit provides a robust 65A rated current (80A in specific AC 3 applications) and is suitable for power ratings up to 37 kW at 400V. The integrated 24V AC 50 60 Hz coil ensures compatibility with standard low voltage control