Siemens Industrial Controls 3RU2136-4GB0 Relay 321142-301 The Cleveland Controls DFS-448-452 is
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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Description
The Cleveland Controls DFS-448-452 is a fixed-set-point air pressure sensing switch designed for critical airflow proving in duct heaters
A steady "on" light indicates an internal control failure
ensuring optimal arcing and steady airflow across the 1000 CFM system
This ensures the unit maintains optimal setpoints while preventing common issues such as evaporator coil freezing or inefficient compressor cycling
How do I wire this coil for 240V vs 120V
Siemens Industrial Controls 3RU2136-4GB0 Relay 321142-301 The Cleveland Controls DFS-448-452 isThe Siemens 3RU2136 4GB0 is a high performance thermal overload relay engineered for heavy duty motor protection within HVACR and industrial control systems. Designed specifically for SIRIUS size S2 applications, this unit provides precise monitoring for motors with a current rating between 36 and 45 Amps. The Class 10 tripping characteristic ensures reliable downtime prevention by responding to overcurrent and phase failure conditions before
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