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Rishabh SPPR Single Phase Preventer Relay

Rishabh SPPR Single Phase Preventer Relay

Brand
Rishabh
Model number
SPPR

Self-powered 17.5 mm relay for 3-phase 3-wire systems (150 - 550 V L-L) that trips on phase failure, phase unbalance and incorrect phase sequence; auto reset, 1 CO 6 A contact, fault LEDs.

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Key features

  • Designed for 3-phase, 3-wire systems
  • Protection against phase unbalance, phase failure and incorrect phase sequence
  • Auto reset when the fault is removed
  • Self-powered: no external power supply needed
  • LED indications for healthy, phase loss, phase unbalance and incorrect sequence
  • Ultra-slim 17.5 mm width
  • Fail-safe (normally energized) relay operation
  • Applications: motor protection, conveyor systems, process industry

Specifications

Input
Operating voltage range150 - 550 V AC (L-L)
Nominal voltage415 V AC (L-L)
Nominal frequency50 / 60 Hz
Operating frequency range45 - 65 Hz
VA rating< 12 VA per phase
Max. continuous input voltage550 V AC (L-L)
Short-term overload (1 s)2 x nominal input voltage
Function
Phase fail> 100 V (difference between two L-L voltages)
Phase unbalance> 40 V (difference between two L-L voltages)
Phase sequenceYes
Hysteresis5 V - 12 V
ResetAuto on removal of fault condition
Power ON / reset / trip delay< 300 ms each
Tripping accuracy±10 V
Relay contacts
Type1 CO SPDT
RatingNO and NC: 6 A at 250 V AC / 30 V DC
General
Operating temperature-20 to +70 °C
Storage temperature-40 to +85 °C
Relative humidityUp to 95% RH
Degree of protectionIP20 terminals
Input wire size1 to 2.5 sq. mm, tightening torque 0.4 Nm
Dimensions18 x 98.6 x 66.5 mm (17.5 mm wide module)
Standards
Product standardIEC 60255-1
EMCIEC 61000-4-2, -4-4, -4-5, -4-6; CISPR 11
Ordering
Order codeSP10-S-4-A-3-1-1 (3-phase 3-wire, 150 - 550 V L-L, 50/60 Hz, normally energized, 1 CO)

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

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