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Numerical Voltage Protection Relay


Salient Features

  • Two stage over voltage protection
  • Two stage under voltage protection
  • Two stage residual voltage protection
  • Wide operating range of auxiliary input – 18 to 135V DC or 85 to 350V DC
  • In built 10 min. time delay function used for Capacitor bank protection
  • Protection function Enable/Disable function
  • Voltage Input Monitoring
  • User Programmable 6 Output contacts
  • User Programmable 7 digital inputs
  • User friendly settings and Indications
  • Latest 999 fault events with 1 ms time stamp resolution
  • IEC 60870-5-103 and/or MODBUS-RTU communication protocol
  • Self Monitoring facility (Watchdog)
  • Draw-out / Fixed type case
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Casing

  • (WxHxD): 134 x 180 x 212 mm ~
  • Cutout size (WxH): 110 x 158 mm ~
  • Degree of Protection: IP 54
  • Weight: 2.5 Kg (approx)
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  • There is a continuous effort at Stelmec to keep abreast of latest technology inline with customer's requirement
  • All these activities are followed as per ISO 9001 : 2008
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