SLC 500 Allen-Bradley 1746-OX8 Digital Relay Output Module

Product Description

The Allen-Bradley 1746-OX8 is a digital contact output module for the SLC 500 series. It provides eight normally open relay contact outputs, designed for both AC and DC voltage operation. With individually isolated high-current relay outputs, it is suitable for applications requiring reliable switching of mixed voltage signals.

Technical Specifications

• Manufacturer Allen-Bradley

• Category PLCs

• Product Line SLC 500

• Part Number 1746-OX8

• Weight 1.00 lbs (0.45 kg)

• Module Type Digital contact output module

• Number of Outputs 8 relay outputs (N.O. contacts)

• Operating Voltage Range 5–265 VAC or 5–125 VDC

• Current per Output (120 VAC) 3 A

• Current per Output (24 VDC) 1.2 A

• Backplane Current Draw 85–90 mA

• Step Response 60 ms input, 2.5 ms output

• Operating Shock Resistance 10 g

• Application Type Individually isolated, high-current relay switching

Application Scenarios

• Switching AC and DC loads in mixed-voltage environments

• Industrial control systems requiring isolated relay outputs

• Applications needing high-current relay contacts for motor starters, solenoids, or lighting control

FAQ

Q: How many outputs does the 1746-OX8 provide?  A: It provides 8 normally open relay contact outputs.

Q: What is the maximum current per output?  A: 3 A at 120 VAC and 1.2 A at 24 VDC.

Q: Are the outputs isolated?  A: Yes, each relay output is individually isolated for safe operation.

Comparison with Similar Models

• 1746-OB16: Transistor output module, designed for DC loads.

• 1746-OW16: Relay output module with wider voltage range and more outputs.

• 1746-OX8: Compact relay output module with 8 isolated contacts, ideal for high-current switching.