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Rishabh Relay UVR Under Voltage Protection Relay

Rishabh Relay UVR Under Voltage Protection Relay

Brand
Rishabh
Model number
Relay UVR

Self-powered 17.5 mm under voltage relay: trips below 75% of nominal (3P4W 415/400/380 V or 1P2W 240/230/220 V), adjustable 5 - 15 min restart delay, auto reset, 1 CO contact.

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Key features

  • Fixed under voltage trip at 75% of nominal value
  • Adjustable power-on and restart delay from 5 to 15 minutes
  • Auto reset, no manual intervention
  • True RMS measurement
  • Self-powered: no external power supply needed
  • LED indications with multiple states for easy diagnosis
  • DIN-rail or wall mounting
  • Ultra-slim 17.5 mm width
  • Applications: motor protection, server rooms, control systems, air conditioning (HVAC) systems

Specifications

Input
Nominal voltage (fixed)3P4W: 415 / 400 / 380 V L-L; 1P2W: 240 / 230 / 220 V L-N
Max. continuous input voltage127% of nominal value
Nominal frequency50 / 60 Hz
Burden< 16 VA
Voltage range70 - 125% of nominal value
Setting
Under voltage trip point75% (fixed) of nominal value
Hysteresis2% (fixed) of nominal value
Restart / power-on delay5 - 15 minutes (variable), accuracy ±0.8 s
Accuracy
Tripping±3% of nominal value
Response timeLess than 200 ms
Relay contacts
Type1 CO
Rating5 A / 250 V AC / 30 V DC (resistive load)
Mechanical endurance1 x 10^7 operations
Electrical endurance1 x 10^5 operations
General
Operating temperature-10 to +55 °C
Storage temperature-25 to +70 °C
Relative humidity0 - 90% non condensing
Shock30 gn (300 m/s^2), duration 18 ms (IEC 60068-2)
Vibration10 - 55 Hz, 0.15 mm amplitude
EnclosureIP 20
Dimensions18 x 98.6 x 66.5 mm (17.5 mm wide module)
Weight80 g approx.
Standards
SafetyIEC 61010-1-2010
Installation categoryCAT III, pollution degree 2
High voltage test2.2 kV AC, 50 Hz for 1 minute between all electrical circuits
Ordering
Order codeUV10-V-[3: 3P4W / 1: 1P2W]-[1: 220 / 2: 230 / 3: 240 V L-N]-[frequency]-1-1

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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