The 35-66 series includes a combustion blower relay which the 35-65 lacks

and C configurations to ensure proper signaling between the HVAC unit and the fire safety system

it utilizes a Noryl diaphragm to ensure consistent lift and reseating performance even in demanding industrial environments

The Baldor-Reliance EM31116A is a high-performance 1 HP general purpose motor designed for industrial HVACR applications requiring reliable torque and continuous duty operation

Extended ODF Connections: Features copper-to-copper solder joints for leak-proof integration into the refrigerant circuit

Siemens Industrial Controls 3RT2037-1AC20 Circuit breaker 323080-701 The 35-66 series includes aThe Siemens 3RT2037 1AC20 is a heavy duty SIRIUS Size S2 magnetic contactor engineered for demanding motor control and resistive load switching in HVACR and industrial automation systems. This 3 pole powerhouse delivers a continuous 65A current rating (AC 3 at 400V) and is capable of handling up to 30 kW (50 HP at 460V) for inductive motor loads. Designed for extreme durability, this 3RT2037 power contactor features a 24VAC 50 60Hz coil and integrated