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WRC is focused on solving the toughest industrial I/O challenges. With over 25 years of field tested reliability, our WRC4 family of rugged I/O is used in data acquisition and control system applications in some of the world’s most challenging environmental conditions. Take the DATASHEET links to our pdf catalog pages.

2 WRC4 Modules

I/O Module Package Types

Red 1781 Quad I/O Module

1781 Quads

Red 1781 Slim I/O Module

1781 Slims

Yellow WRC4 I/O Module

WRC4 Modules

Enter any portion of the WRC Part Number or the Industry Standard Model Number into the search box below to find that module’s technical information.

WRC Part NumberDescriptionIndustry Model Number*Datasheet
1781-IA5QIAC5Q - ac input, 4-channel, 90-140V, 5V logic, QuadIAC5QDatasheet
1781-IA5QEQuad 24Vac/dc input, yellow ca-Datasheet
1781-IA5SIAC5 - ac input, 120V ac/dc, 5V logic, slim moduleIAC5Datasheet
1781-IA5SEslim module 24v ac/dc in,yello-Datasheet
1781-IAXSIAC24 - ac input 120V ac/dc, 24V logic, slim moduleIAC24Datasheet
1781-IAYSIAC15 - ac input, 120V, 15V logic, slim moduleIAC15Datasheet
1781-IB5QIDC5Q - dc input, 4-channel, 3-32V, 5V logic, QuadIDC5QDatasheet
1781-IB5SIDC5D(B) - dc input, 24V, 5V logic, slim moduleIDC5D(B)Datasheet
1781-IBXSIDC24 - dc input, 24V, 24V logic, slim moduleIDC24Datasheet
1781-IBYSIDC15 - dc input,24V,15V logic,slimIDC15Datasheet
1781-IM5QIAC5AQ - ac input, 4-channel, 240V, 5V logic, QuadIAC5AQDatasheet
1781-IM5SIAC5A - ac input, 240V, 5V logic, slim module IAC5ADatasheet
1781-IMXSIAC5A - ac input, 240V, 24V logic, slim moduleIAC5ADatasheet
1781-IMYSIAC15A - ac input, 240V, 15V logic, slim moduleIAC15ADatasheet
1781-IN5QIDC5Q - ac input, 4-channel, 24V, 5V logic, QuadIDC5QDatasheet
1781-IN5SIDC5(G) - ac input, 10-60V, 5V logic, slim moduleIDC5(G)Datasheet
1781-INXSIDC24 - ac input, 10-60V, 24V logic, slim moduleIDC24Datasheet
1781-INYSIDC15 - ac input, 10-60V, 15V logic, slim moduleIDC15Datasheet
1781-IT5Qdc in,quad,3-32V,fast,bi-direc-Datasheet
1781-IT5Q-10dc in,quad,18-32V,fast,bi-directional,5V logic-Datasheet
1781-IT5Sdc in,slim,3-60V,fast,5V logic-Datasheet
1781-ITXSdc in,slim,3-60V,fast,24V logi-Datasheet
1781-ITYSdc in,slim,3-60V,fast,15V logi-Datasheet
1781-OA5QOAC5Q - ac output, 4-channel, 120V, 5V logic, QuadOAC5QDatasheet
1781-OA5SOAC5 - ac output, 120V, 5V logic, slim moduleOAC5Datasheet
1781-OAXSOAC24 - ac output, 120V, 24V logic, slim moduleOAC24Datasheet
1781-OAYSOAC15 - ac output, 120V, 15V logic, slim moduleOAC15Datasheet
1781-OB5QODC5Q - dc output, 4-channel, 24V, 5V logic, QuadODC5QDatasheet
1781-OB5Q11quad dc out, cmn. return,low l-Datasheet
1781-OB5SODC5 - dc output, 3-60V, 5V logic, slim moduleODC5Datasheet
1781-OB5S11slim dc out low leakage-Datasheet
1781-OBXSODC24 - dc output, 3-60V, 24V logic, slim moduleODC24Datasheet
1781-OBYSODC15 - dc output, 3-60V, 15V logic, slim moduleODC15Datasheet
1781-OBYS11slim dc out low leakage,15Vcon-Datasheet
1781-OC5QODC5AQ - dc output, 4-channel, 100V, 5V logic, QuadODC5AQDatasheet
1781-OC5SODC5A - dc output, 200V, 5V logic, slim moduleODC5ADatasheet
1781-OCXSODC24A - dc output, 200V, 24V logic, slim moduleODC24ADatasheet
1781-OCYSODC15A - dc output, 200V, 15V logic, slim moduleODC15ADatasheet
1781-OF5SFET module,slim,0-50V,5A-Datasheet
1781-OL5SOAC5A - ac output, 240V, 5V logic, 1mA leak, slim moduleOAC5ADatasheet
1781-OM5QOAC5Q - ac output, 4-channel, 240V, 5V logic, QuadOAC5QDatasheet
1781-OM5SOAC5A - ac output, 240V, 5V logic, slim moduleOAC5ADatasheet
1781-OM5SCOAC5A5 - ac output, 240V, 5V logic, NC contact, slim moduleOAC5A5Datasheet
1781-OM5SROAC5A11 - ac output, 240V, 5V logic, non-zero cross, slim moduleOAC5A11Datasheet
1781-OMXSOAC24A - ac output, 240V, 24V logic, slim moduleOAC24ADatasheet
1781-OMXSCOutput module,220Vac,N/C,slim-Datasheet
1781-OMXSROutput module,220Vac,RAN,slim-Datasheet
1781-OMYSOAC15A - ac output, 240V, 15V logic, slim moduleOAC15ADatasheet
1781-OMYSCOutput module,220Vac,N/C,slim-Datasheet
1781-RC5QRelay outputs, quad, n closed-Datasheet
1781-RC5SRelay Output Module-Datasheet
1781-RCXSRelay Output Module-Datasheet
1781-RCYSRelay Output Module, N/C, 15V-Datasheet
1781-RO5QODC5RQ - Relay output, 4-channel, 5V logic, NO contacts, QuadODC5RQDatasheet
1781-RO5SODC5R - relay output, NO contact, 5V logic, slim moduleODC5RDatasheet
1781-ROXSODC5R5 - relay output, NO contact, 24V logic, slim moduleODC5R5Datasheet
1781-ROYSRelay Output Module - 15 Volt-Datasheet
1781-SWIN5SSwitch Input Module-Datasheet
1781-WC5S-XXXWatchdog Timer Module,N/Clsd-Datasheet
1781-WO5S-XXXWatchdog Timer Module, N/Open-Datasheet
WRC4-IA5SIAC5 - ac input ,120V, 5V logic, w/LEDIAC5Datasheet
WRC4-IAXSIAC24 - ac input, 120V, 24V logic, w/LEDIAC24Datasheet
WRC4-IAYSIAC15 - ac input, 120V, 15V logic, w/LEDIAC15Datasheet
WRC4-IB5SIDC5D(B) - dc input,24V, 5V logic, w/LEDIDC5D(B)Datasheet
WRC4-IBXSIDC24 - dc input, 24V, 24V logic, w/LEDIDC24Datasheet
WRC4-IBYSIDC15 - dc input, 24V, 15V logic, w/LEDIDC15Datasheet
WRC4-IM5SIAC5A - ac input, 220V, 5V logic, w/LEDIAC5ADatasheet
WRC4-IMXSIAC24A - ac input, 220V, 24V logic, w/LEDIAC24ADatasheet
WRC4-IMYSIAC15A - ac input, 220V, 15V logic, w/LEDIAC15ADatasheet
WRC4-IN5SIDC5(G) - ac input, 24V, 5V logic, w/LEDIDC5(G)Datasheet
WRC4-INXSIDC24 - ac input, 24V, 24V logic, w/LEDIDC24Datasheet
WRC4-INYSIDC15 - ac input, 24V, 15V logic, w/LEDIDC15Datasheet
WRC4-IT5Sdc input,fast,24V,5V logic,G s-Datasheet
WRC4-ITXSdc input,fast,24V,24V logic,G-Datasheet
WRC4-ITYSdc input,fast,24V,15V logic,G-Datasheet
WRC4-OA5SOAC5 - ac output, 120V, 5V logic, w/LED + FuseOAC5Datasheet
WRC4-OAXSOAC24 - ac output, 120V, 24V logic, w/LED + FuseOAC24Datasheet
WRC4-OAXS-S3ac output,120V,24V logic,w/MOV -Datasheet
WRC4-OAYSOAC15 - ac output, 120V, 15V logic, w/LED + FuseOAC15Datasheet
WRC4-OAXSCac output,120V,N/C,5V log,fuse-Datasheet
WRC4-OAXSC-S1ac output,120V,N/C,24V,top label,fused-Datasheet
WRC4-OB5SODC5 - dc output, 60V, 5V logic, w/LED + FuseODC5Datasheet
WRC4-OBXSODC24 - dc output, 60V, 24V logic, w/LED + FuseODC24Datasheet
WRC4-OBXS-S4dc out,3-60V,24Vlog,C1 cap change for valve applications-Datasheet
WRC4-OBXS11dc out,3-60V,24Vlog,low leakag-Datasheet
WRC4-OBYSDC15 - dc output, 60V, 15V logic, w/LED + FuseDC15Datasheet
WRC4-OC5SODC5A - dc output, 200V, 5V logic, w/LED + FuseODC5ADatasheet
WRC4-OCXSODC24A - dc output, 200V, 24V logic, w/LED + FuseODC24ADatasheet
WRC4-OCYSODC15A - dc output, 200V, 15V logic, w/LED + FuseODC15ADatasheet
WRC4-OF5Sdc output FET, 5V logic, G Ser-Datasheet
WRC4-OL5SOAC5A - ac output, 240V, 5V logic, 1mA leak, w/LED + FuseOAC5ADatasheet
WRC4-OLXSac output,220V,24V log,lo leak-Datasheet
WRC4-OLYSac output,220V,15V log,lo leak-Datasheet
WRC4-OM5SOAC5A - ac output, 220V, 5V logic, w/LED + FuseOAC5ADatasheet
WRC4-OM5S-NMac output,220V,5V logic,NoMOV-Datasheet
WRC4-OM5SCOAC5A5 - ac output, 220V, 5V logic, NC contact, w/LED + FuseOAC5A5Datasheet
WRC4-OM5SROAC5A11 - ac output, 220V, 5V logic, non-zero cross, w/LED + FuseOAC5A11Datasheet
WRC4-OMXSOAC24A - ac output, 220V, 24V logic, w/LED + FuseOAC24ADatasheet
WRC4-OMXSCOutput module,220Vac,N/C,WRC4-Datasheet
WRC4-OMYSOAC15A - ac output, 220V, 15V logic, w/LED + FuseOAC15ADatasheet
WRC4-RC5SRelay Output,N/C,5V logic, G S-Datasheet
WRC4-RCXSRelay Output,N/C,24V logic, G-Datasheet
WRC4-RCYSRelay Output,N/C,15V logic, G-Datasheet
WRC4-RO5SODC5R - relay output, NO contact, 5V logic, w/LED + FuseODC5RDatasheet
WRC4-ROXSODC5R5 - relay output, NO contact, 24V logic, w/LED + FuseODC5R5Datasheet
WRC4-ROYSRelay Output,N/O,15V logic, G-Datasheet
WRC4-SWIA5SSwitch Input Module,120Vac,HOA-Datasheet
WRC4-SWIB5Sdc input,3-32V,5V logic,w/Switch,LED-Datasheet
WRC4-SWOA5SSwitch Output Mod,120Vac,auto/-Datasheet
WRC4-SWOAXSC-S3Switch Out,120Vac,auto/man,N/C-Datasheet
WRC4-SWOAXS-S3Switch Out,120Vac,auto/man,24V-Datasheet
WRC4-SWOB5SSwitch Out,24VDc,auto/man,5V logic-Datasheet
WRC4-SWOL5S-NMSwiOut,120VacLL,NoMOV,5V logic-Datasheet