XP2-R Power and Reverse Power Protection Relay

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The relay XP2R of the easy PROFESSIONAL LINE is a digital relay for reverse power detection of gen.-sets in parallel and active power supervision of power systems.

3 Wire System Connection XP2R
Connecting three-wire system (3∿ 35 … 74 Hz), DIP-switch setting Δ

4 Wire Phase-to-Phase System Connection XP2R
Connecting phase-to-phase voltage in four-wire system (3/N∿ 35 … 74 Hz), DIP-switch setting Δ

4 Wire Phase-to-Neutral System Connection XP2R
Connecting phase-to-neutral voltage in four-wire system (3/N∿ 35 … 74 Hz), DIP-switch setting Y

Protection Settings

Parameter Setting Range
PR> 1% … 30% × P n (cont.)
P> 1% … 120% × P n (cont.)
tPR> 0 … 10 s / 0 …100 s (⌨) (cont.)
tP> 0 … 10 s / 0 …100 s (⌨) (cont.)

(⌨) Different setting ranges via DIP switches. ( Smart view covers the whole range.)

Auxiliary Voltage

Voltage supply via wide-range power supply unit:

Auxiliary voltage range

50 … 750 V DC or

36 … 520 V AC (f = 35 … 78 Hz)

Power consumption

approx. 4 W (terminals A1 and A3)

Benefits of the Professional Line

  • Fast DIN rail mounting    easy and fast mounting
  • Sealable plastic covers    safe (see if anybody has broken the seal)
  • Super easy settings via front buttons    fast without computer
  • LED and output relays fault indication    easy to find out what has happened
  • Compact form factor    fits in small spaces
  • IT security    no way to attack via Ethernet
  • Robust and reliable    well proven reliable quality
  • Wide Range Power Supply    don’t worry about available supply voltage
  • Integrated Self-Test Procedure (via button)    fast and easy checks: relays, LEDs
  • For all relays except XD1-G and except XRI...: optional interface adapter XRS1 (order code XRS1A or XRS1*);

    for all XRI... [except XD1-G]: optional adapter RS485 to USB (order code RSC2485USB1):

      easy doing high precision settings via Windows ® PC software »Smart view«


Protection of electrical (HV, MV) synchronous generators against:

  • Reverse Power (indicating outage of the prime mover)

  • Power protection (ANSI / IEEE C37.2: 32, 37)

Inputs and Outputs
Current transformer inputs 1
Output relays 2
Voltage transformer inputs 1
Protection ANSI
Power direction 32/37
Mounting Type
Housing suitable for DIN rail mounting

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