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the Honeywell CommStat FCU series provides the granular control over fan speed and occupancy scheduling needed to minimize energy waste while maximizing occupant comfort
Industrial-Grade Contacts: Designed to withstand repetitive cycling and high-voltage spikes in demanding HVACR applications
The unit contains two separate SPST contacts that actuate simultaneously
Unlike basic text displays
Perfect Fitment: As a genuine Carrier 336847-402 part
Siemens Industrial Controls 3SU1400-1AA10-1FA0 Control Module 324846-701 the Honeywell CommStat FCU seriesThe Siemens 3SU1400 1AA10 1FA0 Control Module is a high reliability SIRIUS ACT contact module designed for front plate mounting in demanding industrial and HVACR environments. This 1NO+1NC contact block provides a bridge between pilot devices and control circuits, featuring a robust screw terminal connection system that ensures secure high vibration resistance. As a veteran grade auxiliary contact module, it supports an operating voltage of up to 500V