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REH Magnetic Blow-out Power Relay
REH Magnetic Blow-out Power Relay

REH Magnetic Blow-out Power Relay


REH Electromagnetic Fusible Power Relays are an excellent replacement for contactors in DC motor loads. It has good performance under high volume loads and features non-polar LEDs and a lockable test button. Coils can be easily identified by testing the button color (AC red/DC blue).

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REH Magnetic Blow-out Power Relay Details

  • Good performance in DC motor load.
  • With non-polarity LED and lockable test button.
  • High capacity load for a good replacement of contactor with blow-out magnet.
  • Identification of coil through test button color (AC red /DC blue).

REH Power Relay

REH magnetic blow-out power relay consists of a relay and socket. The control voltage range can be extended using a matching socket. It can be used with the following types of sockets: SEB11-E REH socket and SEB11-P REH socket.

REH Magnetic Blow-out Power Relay Characteristics

Contact Configuration 1A,1B 2A,2B,2FO 3A
Load Resistance 16A/500VAC 16A/250VAC 16A/300VAC
Resistance 10A/220VDC  16A/30VDC
inductive 10A/250VAC(cosØ0.4); 3A/220VDC(L/R=7ms)
Switching capacity Resistance 8000VA 4000VA 4800VA
Resistance 2200W
inductive 2500VA(cosΦ0.4);660W(L/R=7ms)
Initial contact resistance ≤50mΩ
Material Ag alloy
Electric durability(110%rated voltage, 55℃) ≥60 x 104 Cycles (600 Ops/h) | ≥20 x 104Cycles(600 Ops/h)
Mechanical durability ≥5000 x 104 Cycles (18000 Ops/h)
Pick-up voltage (23℃) (Rated voltage) DC:≤75% (rated voltage), AC:≤80% 50/60Hz (rated voltage)
Drop-out voltage (23℃) (Rated voltage) DC:≥10% (rated voltage),AC:≥30% 50/60Hz (rated voltage)
Maximum voltage (23℃) (Rated voltage) 110%
Insulation resistance ≥1000MΩ (500VDC)
Coil operating power DC (W) approx. 1.5
AC (VA) approx. 2.5
Operate time Release time (at nominal voltage) ≤20ms
Initial breakdown voltage Between open contacts 1500VAC/1min (leakage current 1mA)
Between poles 4000VAC/1min (leakage current 1mA)
Between contacts and coil 4000VAC/1min (leakage current 1mA)
IEC 60664 UL840
Rated voltage 400VAC 250VAC 250VAC
Pollution level 2 3 3
Overvoltage level II III III
Protection level IP50
Storage temperature/ humidity -20~+85℃/ ≤85%RH (18 months)
Working temperature/ humidity -40~+55℃/ 5%~85%RH (No condensation) ★
Air pressure 86~106KPa
Shock resistance 10G (half-sine shock pulse: 11ms)
Vibration resistance 10~55Hz double-amplitude:1.0mm
Mounting Plug in
Unit weight Approx. 90g

Coil Specifications (23℃)

Nominal voltage V.DC 12 24 48 110 220 /
Coil resistance Ω 96 385 1540 8070 32270 /
Nominal voltage V.AC 24 48 115 230 380 400
Coil resistance Ω 100 350 2200 8000 26000 27000
Remark: Coil resistance, under coil voltage 110V, is measured with a tolerance of ±10%Ω, and above 110V with a tolerance of ±15%Ω.

Contact Specification

REH Magnetic Blow-out Power Relay Contact Specification

Dimensions (mm) & Wiring Diagrams

REH Magnetic Blow-out Power Relay Dimensions (mm) & Wiring Diagrams

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Applicable socket

SEB11-E Socket

SEB11-E Socket

relay base for REH relay,screw type,Din-rail mounting

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SEB11-P Socket

SEB11-P Socket

relay base for REH relay,pcb soldering type

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