Siemens Industrial Controls 3RT2025-1AK60 Contactor 326058-757 This double-inlet centrifugal blower wheel

This double-inlet centrifugal blower wheel is engineered to maintain the strict static pressure requirements necessary for consistent combustion air delivery and flue gas venting

The three-wire version requires a constant 24VAC supply (R and C terminals) to maintain the fault history and diagnostic LEDs when the compressor is off

Compact Profile: Ideal for tight mechanical closets and baseboard installations where space is limited

38 Cv flow coefficient

Siemens Industrial Controls 3RT2025-1AK60 Contactor 326058-757 This double-inlet centrifugal blower wheelThe Siemens SIRIUS 3RT2025 1AK60 is a heavy duty, S0 size power contactor engineered for demanding industrial motor control systems. Designed as a 3 pole IEC contactor, this unit handles up to 17A at 400V (AC 3e AC 3), delivering 7. 5kW of switching power for fans, pumps, and compressors. The 120V AC coil (60Hz) is optimized for standard control circuits, while the integrated 1NO 1NC auxiliary contacts provide immediate feedback for status monitoring