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WRC4 Series Discrete I/O expands WRC’s complete line of discrete I/O modules. These modules provide an indication LED and replaceable fuse. They also meet an industry de facto standard pin-out.
Find products easier by using our Industry Model Numbers, found here.

Part Number Part TypeNominal Field VoltageNominal Logic VoltageIndustry ModelField Voltage RangeLogic Voltage Range Action
WRC4-IA5S Input 120V 5V *4-IAC5 90-140 V 1.5-6 V Add Quote
WRC4-IAXS Input 120 24V W4-IAC24 90-140 V 16.5-30.5 V Add Quote
WRC4-IAYS Input 120 15V W4-IAC15 90-140 V 8.5-19 V Add Quote
WRC4-IB5S Input 24 5V W4-IDC5 3.3-32 V 1.5-6 V Add Quote
WRC4-IBXS Input 24 24V W4-IDC24 3.3-32 V 16.5-30.5 V Add Quote
WRC4-IBYS Input 24 15V W4-IDC15 3.3-32 V 8.5-19 V Add Quote
WRC4-IM5S Input 240 5V W4-IAC5A 180-280 V 1.5-6 V Add Quote
WRC4-IMXS Input 240 24V W4-IAC24A 180-280 V 16.5-30.5 V Add Quote
WRC4-IMYS Input 240 15V W4-IAC15A 180-280 V 8.5-19 V Add Quote
WRC4-IN5S Input 24 5V W4-IDC5G 10-60 V 1.5-6 V Add Quote
WRC4-INXS Input 24 24V W4-IDC24 10-60 V 16.5-30.5 V Add Quote
WRC4-INXS-S1 Input 24 24V 10-60 V 16.5-30.5 V Add Quote
WRC4-INYS Input 24 15V W4-IDC15 10-60 V 8.5-19 V Add Quote
WRC4-IT5S Input 24 5V W4-IDC5K 3.3-32 V 1.5-6 V Add Quote
WRC4-ITXS Input 24 24V WRC Proprietary 3.3-32 V 16.5-30.5 V Add Quote
WRC4-ITYS Input 24 15V WRC Proprietary 3.3-32 V 8.5-19 V Add Quote
WRC4-OA5S Output 120 5V W4-OAC5 12-140 V 2.5-7.5 V Add Quote
WRC4-OAXS Output 120 24V W4-OAC24 12-140 V 16.5-30.5 V Add Quote
WRC4-OAXS-S3 Output 120 24V 12-140 V 16.5-30.5 V Add Quote
WRC4-OAXSC Output 120 24V WRC Proprietary 12-140 V 16.5-30.5 V Add Quote
WRC4-OAXSC-S1 Output 120 24V WRC Proprietary 12-140 V 16.5-30.5 V Add Quote
WRC4-OAYS Output 120 15V W4-OAC15 12-140 V 8.5-20 V Add Quote
WRC4-OB5S Output 24 5V W4-ODC5 3-60 V 2.5-7.5 V Add Quote
WRC4-OB5S-C12 Output 24 5V WRC Proprietary 3-60 V 2.5-7.5 V Add Quote
WRC4-OBXS Output 24 24V W4-ODC24A 3-60 V 16.5-30.5 V Add Quote
WRC4-OBXS11 Output 24 24V WRC Proprietary 3-60 V 16.5-30.5 V Add Quote
WRC4-OBYS Output 24 15V W4-ODC15 3-60 V 8.5-20 V Add Quote
WRC4-OC5S Output 100 5V W4-ODC5A 5-200 V 2.5-7.5 V Add Quote
WRC4-OCXS Output 100 24V W4-ODC24A 5-200 V 16.5-30.5 V Add Quote
WRC4-OCYS Output 100 15V W4-ODC15A 5-200 V 8.5-20 V Add Quote
WRC4-OF5S Output 5 5V WRC Proprietary 0-50 V 2.5-7.5 V Add Quote
WRC4-OG5S Output 5 5V WRC Proprietary 0-100 V 2.5-7.5 V Add Quote
WRC4-OL5S Output 240 5V WRC Proprietary 24-280 V 2.5-7.5 V Add Quote
WRC4-OL5S-NM Output 240 5V WRC Proprietary 24-280 V 2.5-7.5 V Add Quote
WRC4-OLXS Output 240 24V WRC Proprietary 24-280 V 16.5-30.5 V Add Quote
WRC4-OLYS Output 240 15V WRC Proprietary 24-280 V 8.5-20 V Add Quote
WRC4-OM5S Output 240 5V WRC Proprietary 24-280 V 3-32V Add Quote
WRC4-OM5S-NM Output 240 5V WRC Proprietary 24-280 V 2.5-7.5V Add Quote
WRC4-OM5SC Output 240 5V WRC Proprietary 24-280 V 2.5-7.5V Add Quote
WRC4-OM5SR Output 240 5V WRC Proprietary 24-280 V 2.5-7.5V Add Quote
WRC4-OMXS Output 240 24V WRC Proprietary 24-280 V 16.5-30.5 V Add Quote
WRC4-OMXSC Output 240 24V WRC Proprietary 24-280 V 16.5-30.5 V Add Quote
WRC4-OMYS Output 240 15V WRC Proprietary 24-280 V 8.5-20 V Add Quote
WRC4-OP5S Output 480 5V WRC Proprietary 24-480 V 2.5-7.5 V Add Quote
WRC4-OPXS Output 480 24V WRC Proprietary 24-480 V 16.5-30.5 V Add Quote
WRC4-RC5S Normally Closed Relay 5 5V WRC Proprietary 0-125 V 3-5.5 V Add Quote
WRC4-RCXS Normally Closed Relay 5 24V WRC Proprietary 0-125 V 18-30.5 V Add Quote
WRC4-RCYS Normally Closed Relay 5 15V WRC Proprietary 0-125 V 9-20 V Add Quote
WRC4-RO5S Normally Open Relay 5 5V WRC Proprietary 0-100 V 3-5.5 V Add Quote
WRC4-ROXS Normally Open Relay 5 24V WRC Proprietary 0-100 V 18-30.5 V Add Quote
WRC4-ROYS Normally Open Relay 5 15V WRC Proprietary 0-100 V 9-20 V Add Quote
WRC4-SWIA5S Input 120 5V WRC Proprietary 90-140 V 1.5-6 V Add Quote
WRC4-SWIB5S Input 24 5V WRC Proprietary 3.3-32 V 1.5-6 V Add Quote
WRC4-SWIM5S Input 240 5V WRC Proprietary 180-280 V 1.5-6 V Add Quote
WRC4-SWIN5S Input 24 5V WRC Proprietary 10-60 V 1.5-6 V Add Quote
WRC4-SWOA5S Output 120 5V WRC Proprietary 12-140 V 2.5-7.5 V Add Quote
WRC4-SWOA5S-NM Output 120 24V WRC Proprietary 12-140 V 16.5-30.5 V Add Quote
WRC4-SWOAXS-S3 Output 120 24V WRC Proprietary 12-140 V 16.5-30.5 V Add Quote
WRC4-SWOAXSC-S3 Output 120 24V WRC Proprietary 12-140 V 16.5-30.5 V Add Quote
WRC4-SWOB5S Output 24 5V WRC Proprietary 3-60 V 2.5-7.5 V Add Quote
WRC4-SWOF5S Output 5 5V WRC Proprietary 0-50 V 2.5-7.5 V Add Quote
WRC4-SWOL5S-NM Output 240 5V WRC Proprietary 24-280 V 2.5-7.5 V Add Quote
WRC4-SWOM5S Output 240 5V WRC Proprietary 24-280 V 3-32V Add Quote
WRC4-SWOUT Normally Open Watchdog Timer Module 5 5V WRC Proprietary 0-125 V 2.5-7.5 V Add Quote
WRC4-WC5S Normally Closed Watchdog Timer Module 5 5V WRC Proprietary 0-100 V 2.5-7.5 V Add Quote
WRC4-WO5S WRC Proprietary Add Quote

Part Type