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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*DatasheetBuy at GALCO.COM
1781-IA5QIAC5Q - ac input, 4-channel, 90-140V, 5V logic, QuadIAC5QDatasheetBuy Now
1781-IA5QEQuad 24Vac/dc input, yellow ca-DatasheetBuy Now
1781-IA5SIAC5 - ac input, 120V ac/dc, 5V logic, slim moduleIAC5DatasheetBuy Now
1781-IA5SEslim module 24v ac/dc in,yello-DatasheetBuy Now
1781-IAXSIAC24 - ac input 120V ac/dc, 24V logic, slim moduleIAC24DatasheetBuy Now
1781-IAYSIAC15 - ac input, 120V, 15V logic, slim moduleIAC15DatasheetBuy Now
1781-IB5QIDC5Q - dc input, 4-channel, 3-32V, 5V logic, QuadIDC5QDatasheetBuy Now
1781-IB5SIDC5D(B) - dc input, 24V, 5V logic, slim moduleIDC5D(B)DatasheetBuy Now
1781-IBXSIDC24 - dc input, 24V, 24V logic, slim moduleIDC24DatasheetBuy Now
1781-IBYSIDC15 - dc input,24V,15V logic,slimIDC15DatasheetBuy Now
1781-IM5QIAC5AQ - ac input, 4-channel, 240V, 5V logic, QuadIAC5AQDatasheetBuy Now
1781-IM5SIAC5A - ac input, 240V, 5V logic, slim module IAC5ADatasheetBuy Now
1781-IMXSIAC5A - ac input, 240V, 24V logic, slim moduleIAC5ADatasheetBuy Now
1781-IMYSIAC15A - ac input, 240V, 15V logic, slim moduleIAC15ADatasheetBuy Now
1781-IN5QIDC5Q - ac input, 4-channel, 24V, 5V logic, QuadIDC5QDatasheetBuy Now
1781-IN5SIDC5(G) - ac input, 10-60V, 5V logic, slim moduleIDC5(G)DatasheetBuy Now
1781-INXSIDC24 - ac input, 10-60V, 24V logic, slim moduleIDC24DatasheetBuy Now
1781-INYSIDC15 - ac input, 10-60V, 15V logic, slim moduleIDC15DatasheetBuy Now
1781-IT5Qdc in,quad,3-32V,fast,bi-direc-DatasheetBuy Now
1781-IT5Q-10dc in,quad,18-32V,fast,bi-directional,5V logic-DatasheetBuy Now
1781-IT5Sdc in,slim,3-60V,fast,5V logic-DatasheetBuy Now
1781-ITXSdc in,slim,3-60V,fast,24V logi-DatasheetBuy Now
1781-ITYSdc in,slim,3-60V,fast,15V logi-DatasheetBuy Now
1781-OA5QOAC5Q - ac output, 4-channel, 120V, 5V logic, QuadOAC5QDatasheetBuy Now
1781-OA5SOAC5 - ac output, 120V, 5V logic, slim moduleOAC5DatasheetBuy Now
1781-OAXSOAC24 - ac output, 120V, 24V logic, slim moduleOAC24DatasheetBuy Now
1781-OAYSOAC15 - ac output, 120V, 15V logic, slim moduleOAC15DatasheetBuy Now
1781-OB5QODC5Q - dc output, 4-channel, 24V, 5V logic, QuadODC5QDatasheetBuy Now
1781-OB5Q11quad dc out, cmn. return,low l-DatasheetBuy Now
1781-OB5SODC5 - dc output, 3-60V, 5V logic, slim moduleODC5DatasheetBuy Now
1781-OB5S11slim dc out low leakage-DatasheetBuy Now
1781-OBXSODC24 - dc output, 3-60V, 24V logic, slim moduleODC24DatasheetBuy Now
1781-OBYSODC15 - dc output, 3-60V, 15V logic, slim moduleODC15DatasheetBuy Now
1781-OBYS11slim dc out low leakage,15Vcon-DatasheetBuy Now
1781-OC5QODC5AQ - dc output, 4-channel, 100V, 5V logic, QuadODC5AQDatasheetBuy Now
1781-OC5SODC5A - dc output, 200V, 5V logic, slim moduleODC5ADatasheetBuy Now
1781-OCXSODC24A - dc output, 200V, 24V logic, slim moduleODC24ADatasheetBuy Now
1781-OCYSODC15A - dc output, 200V, 15V logic, slim moduleODC15ADatasheetBuy Now
1781-OF5SFET module,slim,0-50V,5A-DatasheetBuy Now
1781-OL5SOAC5A - ac output, 240V, 5V logic, 1mA leak, slim moduleOAC5ADatasheetBuy Now
1781-OM5QOAC5Q - ac output, 4-channel, 240V, 5V logic, QuadOAC5QDatasheetBuy Now
1781-OM5SOAC5A - ac output, 240V, 5V logic, slim moduleOAC5ADatasheetBuy Now
1781-OM5SCOAC5A5 - ac output, 240V, 5V logic, NC contact, slim moduleOAC5A5DatasheetBuy Now
1781-OM5SROAC5A11 - ac output, 240V, 5V logic, non-zero cross, slim moduleOAC5A11DatasheetBuy Now
1781-OMXSOAC24A - ac output, 240V, 24V logic, slim moduleOAC24ADatasheetBuy Now
1781-OMXSCOutput module,220Vac,N/C,slim-DatasheetBuy Now
1781-OMXSROutput module,220Vac,RAN,slim-DatasheetBuy Now
1781-OMYSOAC15A - ac output, 240V, 15V logic, slim moduleOAC15ADatasheetBuy Now
1781-OMYSCOutput module,220Vac,N/C,slim-DatasheetBuy Now
1781-RC5QRelay outputs, quad, n closed-DatasheetBuy Now
1781-RC5SRelay Output Module-DatasheetBuy Now
1781-RCXSRelay Output Module-DatasheetBuy Now
1781-RCYSRelay Output Module, N/C, 15V-DatasheetBuy Now
1781-RO5QODC5RQ - Relay output, 4-channel, 5V logic, NO contacts, QuadODC5RQDatasheetBuy Now
1781-RO5SODC5R - relay output, NO contact, 5V logic, slim moduleODC5RDatasheetBuy Now
1781-ROXSODC5R5 - relay output, NO contact, 24V logic, slim moduleODC5R5DatasheetBuy Now
1781-ROYSRelay Output Module - 15 Volt-DatasheetBuy Now
1781-SWIN5SSwitch Input Module-DatasheetBuy Now
1781-WC5S-XXXWatchdog Timer Module,N/Clsd-DatasheetBuy Now
1781-WO5S-XXXWatchdog Timer Module, N/Open-DatasheetBuy Now
WRC4-IA5SIAC5 - ac input ,120V, 5V logic, w/LEDIAC5DatasheetBuy Now
WRC4-IAXSIAC24 - ac input, 120V, 24V logic, w/LEDIAC24DatasheetBuy Now
WRC4-IAYSIAC15 - ac input, 120V, 15V logic, w/LEDIAC15DatasheetBuy Now
WRC4-IB5SIDC5D(B) - dc input,24V, 5V logic, w/LEDIDC5D(B)DatasheetBuy Now
WRC4-IBXSIDC24 - dc input, 24V, 24V logic, w/LEDIDC24DatasheetBuy Now
WRC4-IBYSIDC15 - dc input, 24V, 15V logic, w/LEDIDC15DatasheetBuy Now
WRC4-IM5SIAC5A - ac input, 220V, 5V logic, w/LEDIAC5ADatasheetBuy Now
WRC4-IMXSIAC24A - ac input, 220V, 24V logic, w/LEDIAC24ADatasheetBuy Now
WRC4-IMYSIAC15A - ac input, 220V, 15V logic, w/LEDIAC15ADatasheetBuy Now
WRC4-IN5SIDC5(G) - ac input, 24V, 5V logic, w/LEDIDC5(G)DatasheetBuy Now
WRC4-INXSIDC24 - ac input, 24V, 24V logic, w/LEDIDC24DatasheetBuy Now
WRC4-INYSIDC15 - ac input, 24V, 15V logic, w/LEDIDC15DatasheetBuy Now
WRC4-IT5Sdc input,fast,24V,5V logic,G s-DatasheetBuy Now
WRC4-ITXSdc input,fast,24V,24V logic,G-DatasheetBuy Now
WRC4-ITYSdc input,fast,24V,15V logic,G-DatasheetBuy Now
WRC4-OA5SOAC5 - ac output, 120V, 5V logic, w/LED + FuseOAC5DatasheetBuy Now
WRC4-OAXSOAC24 - ac output, 120V, 24V logic, w/LED + FuseOAC24DatasheetBuy Now
WRC4-OAXS-S3ac output,120V,24V logic,w/MOV -DatasheetBuy Now
WRC4-OAYSOAC15 - ac output, 120V, 15V logic, w/LED + FuseOAC15DatasheetBuy Now
WRC4-OAXSCac output,120V,N/C,5V log,fuse-DatasheetBuy Now
WRC4-OAXSC-S1ac output,120V,N/C,24V,top label,fused-DatasheetBuy Now
WRC4-OB5SODC5 - dc output, 60V, 5V logic, w/LED + FuseODC5DatasheetBuy Now
WRC4-OBXSODC24 - dc output, 60V, 24V logic, w/LED + FuseODC24DatasheetBuy Now
WRC4-OBXS-S4dc out,3-60V,24Vlog,C1 cap change for valve applications-DatasheetBuy Now
WRC4-OBXS11dc out,3-60V,24Vlog,low leakag-DatasheetBuy Now
WRC4-OBYSDC15 - dc output, 60V, 15V logic, w/LED + FuseDC15DatasheetBuy Now
WRC4-OC5SODC5A - dc output, 200V, 5V logic, w/LED + FuseODC5ADatasheetBuy Now
WRC4-OCXSODC24A - dc output, 200V, 24V logic, w/LED + FuseODC24ADatasheetBuy Now
WRC4-OCYSODC15A - dc output, 200V, 15V logic, w/LED + FuseODC15ADatasheetBuy Now
WRC4-OF5Sdc output FET, 5V logic, G Ser-DatasheetBuy Now
WRC4-OL5SOAC5A - ac output, 240V, 5V logic, 1mA leak, w/LED + FuseOAC5ADatasheetBuy Now
WRC4-OL5S-NMACout,240V,5V,1mALeak,NoMOV-DatasheetBuy Now
WRC4-OLXSac output,220V,24V log,lo leak-DatasheetBuy Now
WRC4-OLYSac output,220V,15V log,lo leak-DatasheetBuy Now
WRC4-OM5SOAC5A - ac output, 220V, 5V logic, w/LED + FuseOAC5ADatasheetBuy Now
WRC4-OM5S-NMac output,220V,5V logic,NoMOV-DatasheetBuy Now
WRC4-OM5SCOAC5A5 - ac output, 220V, 5V logic, NC contact, w/LED + FuseOAC5A5DatasheetBuy Now
WRC4-OM5SROAC5A11 - ac output, 220V, 5V logic, non-zero cross, w/LED + FuseOAC5A11DatasheetBuy Now
WRC4-OMXSOAC24A - ac output, 220V, 24V logic, w/LED + FuseOAC24ADatasheetBuy Now
WRC4-OMXSCOutput module,220Vac,N/C,WRC4-DatasheetBuy Now
WRC4-OMYSOAC15A - ac output, 220V, 15V logic, w/LED + FuseOAC15ADatasheetBuy Now
WRC4-RC5SRelay Output,N/C,5V logic, G S-DatasheetBuy Now
WRC4-RCXSRelay Output,N/C,24V logic, G-DatasheetBuy Now
WRC4-RCYSRelay Output,N/C,15V logic, G-DatasheetBuy Now
WRC4-RO5SODC5R - relay output, NO contact, 5V logic, w/LED + FuseODC5RDatasheetBuy Now
WRC4-ROXSODC5R5 - relay output, NO contact, 24V logic, w/LED + FuseODC5R5DatasheetBuy Now
WRC4-ROYSRelay Output,N/O,15V logic, G-DatasheetBuy Now
WRC4-SWIA5SSwitch Input Module,120Vac,HOA-DatasheetBuy Now
WRC4-SWIB5Sdc input,3-32V,5V logic,w/Switch,LED-DatasheetBuy Now
WRC4-SWOA5SSwitch Output Mod,120Vac,auto/-DatasheetBuy Now
WRC4-SWOAXSC-S3Switch Out,120Vac,auto/man,N/C-DatasheetBuy Now
WRC4-SWOAXS-S3Switch Out,120Vac,auto/man,24V-DatasheetBuy Now
WRC4-SWOB5SSwitch Out,24VDc,auto/man,5V logic-DatasheetBuy Now
WRC4-SWOL5S-NMSwiOut,120VacLL,NoMOV,5V logic-DatasheetBuy Now