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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
the CT28MM278 is designed with high-grade metallurgical properties to resist thermal fatigue and corrosion common in high-cycle forced air systems
Designed to remain open when de-energized
Is the 46086400 compatible with oil applications
Modern Compatibility: Fully compatible with standard 24-volt HVAC controllers and building automation systems for seamless integration into existing hydronic loops
Siemens Industrial Controls 3RT2026-1AC20 Contactor 328140-751 the CT28MM278 is designed withThe Siemens 3RT2026 1AC20 Contactor is a robust, industrial grade power contactor engineered for high cycle motor control in HVACR and automation systems. As a core component of the SIRIUS innovation series, this Size S0 contactor is the upgraded successor to the now obsolete 3RT1026 1AC20, offering superior reliability with a mechanical service life of up to 10 million switching cycles. This 3 pole IEC contactor is designed for a rated operational
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