Designed for seamless integration with Trane RTU (Rooftop Units) and industrial air handlers

providing the modulation necessary for multi-stage heating and cooling cycles

Key Benefits for Contractors: Universal Compatibility: Fits a broad range of Cutler-Hammer Freedom Series NEMA and IEC contactors

Includes a precision-machined liquid propane orifice for accurate fuel metering

protecting the compressor from extreme operating conditions and improving overall system SEER/EER ratings

Siemens Industrial Controls 3RH2911-1HA31 Contact Block 318973-401 Designed for seamless integration withIntegration of the Siemens 3RH2911 1HA31 into your control logic setup provides a high reliability solution for expanding the contact capacity of SIRIUS 3RT2 contactors and 3RH2 contactor relays. This front mount auxiliary contact block features a 3NO + 1NC (3 Normally Open 1 Normally Closed) configuration, allowing for complex interlocking, signaling, and feedback loops within industrial motor control circuits. Designed for snap on mounting, it