1746-OA8 | Allen-Bradley SLC 500 8-Point AC Output Module
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Allen-Bradley 1746-OA8 SLC 500 8-Point AC Output Module – Ready to Switch Today
Quick View
Rockwell Automation gives you the 1746-OA8 – a slim, single-slot SLC 500 AC output card. Drive 8 loads up to 264 VAC with 1 A per point (30 °C). Snap in, wire, and switch motors, lights, or contactors in 1 ms ON. Ships today by FedEx, UPS, DHL.
Why You’ll Like It
- 8 triac outputs in 2 groups – 4 points each, isolated group-to-group
- 85-264 VAC wide range – runs on 120 V or 240 V mains
- 10 A surge for 25 ms – handles inrush of big contactors
- Green status LEDs – see every output at a glance
- Hot-swap friendly – no need to remove wires from the removable block
Core Tech Data
| Brand | Allen-Bradley (Rockwell Automation) |
| Full P/N | 1746-OA8 Series A, B, C suffix ready |
| Module Type | Discrete AC Output |
| Output Range | 85-264 VAC, 47-63 Hz |
| Max Current / Point | 1 A @ 30 °C, 0.5 A @ 60 °C |
| Max Current / Module | 8 A @ 30 °C, 4 A @ 60 °C |
| Surge Current | 10 A for 25 ms |
| On-State Drop | 1.5 V max @ 1 A |
| Signal Delay | 1 ms ON, 11 ms OFF (resistive) |
| Backplane Draw | 185 mA @ 5 VDC |
| Operating Temp | 0 to 60 °C (32 to 140 °F) |
| Storage Temp | -40 to 85 °C |
| Humidity | 5-95 % RH non-condensing |
| Wire Size | 14 AWG max, 2 wires per terminal |
Install in 3 Steps
- Power down rack, slide 1746-OA8 into any I/O slot
- Connect load power (85-264 VAC) to groups, land 14 AWG max
- Pick output addresses in RSLogix 500, save, go live
Compat & Config
Works in every SLC 500 chassis. Controlled by any SLC 5/01-5/05 or 1747-ASB remote I/O scanner. Configured in RSLogix 500 – simple bit-level mapping, no scaling needed.
What’s in the Box
- 1× 1746-OA8 AC output module (factory-sealed)
- 1× 20-pin removable terminal block
- 1× quick-start label
- 12-month Ubest Automation warranty
Grab the Manual
Get the full SLC 500 Hardware Guide here: Download PDF. See wiring prints, fuse charts & troubleshooting tips in minutes.
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