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Three Phase Fault Detection     Relays
Under/Over Voltage Relays
Single Phase Preventors
SM 500
 
 
 
 
 
SM 501
 
 
 
 
 
 
 
 
UV / OV relays
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SM 301
 
 
 
Three Phase 4 wire Fault Detection Relays SM 500
Features:
Compact 36 mm wide. Adjustable Time Delay.
3 phase 4wire model. LED indications for power and relay status.
Protects against Phase Loss, Reversal, Phase Unbalance and Under / Over voltage faults. Din Rail and Base mountable.
Voltage sensing principle. CE, ROHS compliant.
Adjustable Over and under voltage trip levels. Applications in Motor protection.
 
Ordering Information:
Cat. No

Description
MH11BH 3 Ph-4 W phase monitoring & UV relay with adjustable on time delay & 1 C/O.
MG13BH 3 Ph-4 W phase monitoring & UV/OV relay with adjustable on time delay & 2 C/O.
MG11BH

 3 Ph-4 W phase monitoring & UV/OV relay with adjustable on time delay & 1 C/O.
 
Send Enquiry For Specification Sheet  
Three Phase Fault Detection Relays 3 wire SM 501
Features:
Compact 36 mm wide. Adjustable Time Delay.
3 phase 3wire model. LED indications for power and relay status.
Protects against Phase Loss, Reversal, Phase Unbalance, Neutral Loss and Under / Over voltage faults.
 Din Rail and Base mountable.
Voltage sensing principle. CE, ROHS compliant.
Adjustable Over and under voltage trip levels. Applications in Motor protection.
Ordering Information:
Cat. No

Description
MG53BF 3 Ph-3 W phase monitoring & UV OV relay with adjustable trip time delay 2 C/O
MG53BH 3 Ph-3 W phase monitoring & UV/OV relay with adjustable on time delay & 2 C/O.
 
Download Specification Sheet Link  
Three Phase Under Over Voltage Relays
Features:
Compact 36 mm wide. LED indications for power and relay status.
Protects against Phase Loss, Neutral Loss and Under / Over voltage faults.
 Din Rail and Base mountable.
Voltage sensing principle. CE, ROHS compliant.
Adjustable Over and under voltage trip levels. Applications in Motor protection.
Adjustable Time Delay.    
 
Ordering Information:
Cat. No

Description
MD51B9 UV / OV relay with adjustable 1.5 to 15 min. on delay time
MD51BE UV / OV relay with adjustable 1.5 to 15 sec. on delay time
MD51BF UV / OV relay with adjustable 1.5 to 15 sec. release time (off delay)
 
 
Single Phasing Preventors SM300
Features:
Phase asymmetry protection relay. Voltage sensing principle.
Protects against Phase loss, Phase reversal & Phase Asymmetry. Din/Base mountable.
Adjustable Phase Asymmetry settings for maximum protection. Accurate and compact.
Adjustable Time delay. Applications in Motor protection.
Intelligent LED indications for power on and fault conditions. CE, ROHS approved
Designed for motor protection in industrial and agricultural sectors.
 
Ordering Information:
Cat. No

Description

MA51BD SM300 415VAC/50Hz with 30-70 VAC selectable Asymmetry and operate time
 
   
Single Phasing Preventors SM 301
Features:
Economical and Compact Single phasing preventor.
 Din/Base mountable.
Protects against Phase loss, Phase reversal & Phase Asymmetry.
 Accurate and compact.
Adjustable Time delay. CE, ROHS approved
LED for Relay On indication. Designed for motor protection in industrial sectors.
Voltage sensing principle.    
 
Ordering Information:
Cat. No

Description
MA51BC
 415VAC 50/60 Hz
 
 
 
 
 
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