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Relays – Zelio Control

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Range  Control relays  
Number of contacts 1 or 2 C/O 1 or 2 C/O ; 2 NO 1 or 2 C/O
Logic Positive    
Mounting Modular 17.5 mm Modular 35 mm Industrial 22.5 mm
Phase control RM**T
Phase Sequence/Phase Failure/Asymmetry      
Phase Sequence/Phase Failure/Undervoltage      
Ph. Sequence/Ph. Failure/Over and Undervoltage      
Ph. Sequence/Ph. Failure/Motor temperature      
Voltage control RM**U
3 Ph.: Over&Undervoltage;Absence of neutral/phase      
1 Ph./DC: Over and Undervoltage (selfpowered)      
1 Ph./DC: Over and Undervoltage window mode      
Single Ph. / DC: Over and Undervoltage      
Current control RM**J
Overcurrent (integrated current transformer)      
Overcurrent or undercurrent      
Level control RM**L
Empty or fill (resistive probe)    
Empty or fill (discrete sensor)    
Solution RM**BA/HZ/S/A
Pump / Frequency / Speed / Lift - Control        
References RM17  RM35  RM4 

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