ARP Series - Alternating Relay

Series: ARP
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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The ARP Series is used in systems where equal run time for two motors is desirable. The selector switch allows selection of alternation of either load for continuous operation. LED’s indicate the status of the output relay. This versatile series may be front panel mounted (BZ1 accessory required) or 35 mm DIN rail mounted with an accessory socket.


Operation Alternating: When the rotary switch is in the “alternate” position, alternating operation of Load A and Load B occurs upon the opening of the control switch S1. To terminate alternating operation and cause only the selected load to operate, rotate the switch to position “A” to lock Load A or position “B” to lock Load B. The LEDs indicate the status of the internal relay and which load is selected to operate.
Note: Input voltage must be applied at all times for proper alternation. The use of a solid-state control switch for S1 may not initiate alternation correctly. S1 voltage must be from the same supply as the unit’s input voltage (see connection diagrams on datasheet). Loss of input voltage resets the unit; Load A becomes the lead load for the next operation.
Duplexing (Cross Wired): Duplexing models operate the same as alternating relays and when both the Control (S1) and Lag Load (S2) Switches are closed, Load A and Load B energize simultaneously.
The DPDT 8-pin, cross-wired option, allows extra system load capacity through simultaneous operation of both motors when needed. Relay contacts are not isolated.

Product Literature

For Technical Questions

Call +1 800-832-3873 or email us at relays@littelfuse.com 

Access specifications, certifications, check availability and order parts below

Catalog #Input
Voltage (V)		Output
Form		Termination TypeMounting MethodDimensionsWeight (lbs/g)Input AC Line Frequency (Hz)Input Tolerance (%)Output Load Rating (VA)Output TypeMax. Output
Voltage (V)		Storage Temperature (F/C)StockSamplesCompare
AR120A-309524; 120; 230 VacSPDT; DPDT; cross wired DPDTOctal 8-pin or magnal 11-pinPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 6024 V ac: -15% - 20%; 120 and 230 V ac: -20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP23S24 VacCross wired DPDTOctal 8-pin plug-inPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-15% - 20%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP41120 VacSPDTOctal 8-pin plug-inPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP41S120 VacSPDTOctal 8-pin plug-inPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP42S120 VacDPDTMagnal 11-pinPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP43120 VacCross wired DPDTMagnal 11-pinPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP43S120 VacCross wired DPDTMagnal 11-pinPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP61S230 VacSPDTOctal 8-pin plug-inPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP62S230 VacDPDTMagnal 11-pinPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
ARP63S230 VacCross wired DPDTOctal 8-pin plug-inPlug-in socket3.2 H x 2.39 W x 1.78 D in. (81.3 x 60.7 x 45.2 mm)0 Kg50 / 60-20% - 10%10 A resistive @ 120/240 Vac and 28 Vdc; 1/3 hp @ 120/240 VacElectromechanical Relay250-30° to 85°C (-22° to 185°F)CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
ARP63S ALTERNATING RELAY RoHS No 08/22/2018 PbFree No 08/22/2018 CoC_RoHS9_ARP63S REACH197_Declaration_with_Pb_ARP63S
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