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RUB General Purpose Relay
RUB General Purpose Relay

RUB General Purpose Relay


The RUB Universal Relay is a 2-pole or 3-pole contactor that can handle load currents up to 10 amps. The relay integrates a non-polar LED for easier coil identification. In addition, there is a lockable test button and inspection window for easy testing and debugging. The relay is also RoHS compliant.

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RUB General Purpose Relay Details

  • Available in 2 poles and 3 poles.
  • Contact load up to 10A.
  • With non-polarity LED integrated into the relay.
  • Equipped with a lockable test button and inspection window.
  • Identification of coils through test button color.
  • Conformity with RoHS Directive.

RUB General Purpose Relay

RUB general purpose 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: SUB08-E socket, SUB11-E socket, SUB08-A socket and SUB11-A socket.


Contact Configuration 2C 3C
Rated current/ Resistive load 10A/250VAC 30VDC (resistive RES); 7A/250VAC 30VDC (perceptual GEN)
Switching capacity (resistive)  2500VA, 300W
Initial contact resistance ≤50mΩ
Material Ag alloy
Electrical durability ≥10 x 104 (1800 Ops/h)
Mechanical durability ≥2000 x 104 (18000 Ops/h)
Pick-up voltage (23℃) ≤80%
Drop-out voltage (23℃) DC:≥10% (rated voltage),AC:≥30% 50/60Hz (rated voltage)
Maximum voltage (23℃) 110% (Rated voltage)
Insulation resistance ≥100MΩ (500VDC)
Coil operating power DC (W) approx. 1.5
AC (VA) approx. 2.7
Operate time (at nominal voltage) ≤30ms
Release time (at nominal voltage) ≤20ms
Initial breakdown voltage Between open contacts 1000VAC/1min (leakage current 1mA)
Between poles 2500VAC/1min (leakage current 1mA)
Between contacts and coil 2500VAC/1min (leakage current 1mA)
IEC 60664 UL840
Rated voltage 250VAC
Pollution level 3
Overvoltage level III
Impulse withstand voltage (waveform: 1.2/50us) 4000V
Protection level IP50
Storage temperature/ humidity -55~+85℃/ ≤85%RH (18 months)
Working temperature/ humidity -25~+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.85g

Coil Specifications (23℃)

Nominal voltage V.DC 6 12 24 48 110 220
Coil resistance Ω 23.7 96 430 1640 7360 29500
Nominal voltage V.AC 6 12 24 36 48 115
Coil resistance Ω 3.9 17 62.5 144 305 1250
Remarks: Coil resistance: under coil voltage 110V are measured with tolerance of ±10%Ω, above 110V with tolerance of ±15%Ω.

Contact Specification

RUB General Purpose Relay Contact Specification

RUB General Purpose Relay

Dimensions (mm)

RUB General Purpose Relay Relay Kit Dimensions (mm)

Wiring Diagrams

RUB General Purpose Relay Wiring Diagrams

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Applicable socket

SUB08-E & SUB11-E Socket

SUB08-E & SUB11-E Socket

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

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SUB08-A & SUB11-A Socket

SUB08-A & SUB11-A Socket

SUB08-A & SUB11-A socket for RUB relay.

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