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Adjustable Delay Time DC Voltage Monitoring Relay For Overvoltage And Undervoltage

Wenzhou Ginri Power Automation Co., Ltd.
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Adjustable Delay Time DC Voltage Monitoring Relay For Overvoltage And Undervoltage

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Brand Name : GINRI

Model Number : DVRD

Certification : CE

Place of Origin : China

MOQ : 10Pcs

Payment Terms : L/C, T/T, Western Union,paypal

Supply Ability : 20000Pcs per month

Delivery Time : 5-8 working days

Packaging Details : 1 relay in individual box

Voltage Hysteresis : 3-5% fixed

Dielectric strength : >2KVAC 1min

voltage setting range : 40-68V

Over Voltage : 52-68V

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GINRI Voltage Monitoring Relay DC Over/Under Voltage Relay DVRD

Features:

  • Compact modular size
  • DC circuit monitoring of over-and undervoltage
  • Adjustable over-and undervoltage threshold
  • Adjustable trip delay time
  • Powered by the measuring circuit
  • 2C/O contacts
  • 2 LEDs for status indication

Protective Functions

  • DC overvoltage
  • DC undervoltage

Applications

  • DC cabinet
  • Battery
  • Electric control system

Model DVRD
Input circiut =measuring circuit DC supply
Rated voltage DC12V.DC24V.DC36V,DC48V
Monitoring functions Overvoltage,undervoltage
Voltage setting range
Rated voltage undervoltage overvolatge
DC12V 10-14V 13-17V
DC24V 20-28V 26-34V
DC36V 30-42V 39-51V
DC48V 40-56V 52-68V

Tripping delay time 0.1~15s adjustable
Voltage hysteresis 3-5% fixed
Reset delay time 100ms
indicators normal,trip
Output contacts 2C/O
Contact capacity 6A,250VAC/30VDC(resistive load)
Degree of protection IP20
Working conditions -25℃~65℃,≤85%RH,non-condensing

Mechanical

durability

1000000 cycles
Dielectric strength >2KVAC 1min
Weight 130g
Dimension(HXWXD) 79X23X79mm
Mounting Din rail

Adjustable Delay Time DC Voltage Monitoring Relay For Overvoltage And Undervoltage

(1) Transient overvoltage, with a duration of milliseconds or less, is the main protection object of the arrester.
(2) Transient overvoltage or short-time overvoltage, the duration is relatively long, generally between 0.1s and 1s.
Sources of transient overvoltages are: lightning strikes, switching operations, electrostatic discharges, and nuclear explosions. At the communication station, it is mainly lightning overvoltage or lightning overvoltage.
Transient overvoltages are mainly: overvoltages caused by over-voltage, zero-crossing overvoltage, disconnected resonant overvoltage, and neutral drift. In addition, capacitive effects of no-load lines, asymmetrical ground faults, and sudden load dumps can also create dangerous overvoltages.


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dc voltage control relay

      

adjustable dc voltage sensing relay

      
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