Product details
Allen-Bradley 1794-OW8XT Relay Output Module — Compact and Reliable
The 1794-OW8XT is an 8-channel relay output module from the Allen-Bradley Flex I/O 1794 series. It features isolated, normally open relay outputs, designed to work with industrial loads under tough conditions. With high thermal resistance and a conformal coating, it ensures long-lasting performance in demanding environments.
- Manufacturer: Rockwell Automation
- Brand: Allen-Bradley
- Part Number / Catalog No.: 1794-OW8XT
- Series: Flex I/O 1794
- Type: Relay Output Module
Main Features
- 8 relay outputs, all isolated and normally open.
- Supply voltage: 19.2–31.2 V DC, rated at 126 mA.
- Relay contact capacity: 250 V AC.
- Initial contact resistance: 30 mΩ, bounce time: 1.2 ms.
- Off-state leakage current: 1.0 mA via snubber circuit.
- Minimum contact load: 100 µA @ 100 mV DC.
- Switching frequency: 0.3 Hz at rated load (1 operation/3 s).
Technical Specifications
- FlexBus current: 5 V DC.
- Power dissipation: 5.5 W maximum.
- Thermal dissipation: 18.8 BTU/hr maximum.
- Continuous isolation voltage: 250 V.
- Operating temperature: 32–131 °F (0–55 °C).
- Module dimensions: 46 mm (H) × 94 mm (W) × 53 mm (D).
- Mounting: DIN rail, zinc-plated yellow-chromate steel recommended.
- Conformal coating protects against heat and corrosion.
Packing List
- 1 × Allen-Bradley 1794-OW8XT Relay Output Module.
- Installation and quick-start guide.
- DIN rail and terminal bases sold separately.
Shipping and Warranty
- 12-month product warranty from shipment date.
- Fast worldwide shipping with FedEx, UPS, or DHL.
- Secure protective packaging for safe delivery.
FAQ
- Q: What is the rated contact voltage? A: The relay contact is rated at 250 V AC.
- Q: Does 1794-OW8XT support high temperature use? A: Yes, it has conformal coating for heat protection.
- Q: How many outputs are available? A: It offers 8 isolated relay outputs.
- Q: What is the switching frequency? A: The module supports up to 0.3 Hz at rated load.
- Q: Is grounding required? A: Yes, ground through a DIN rail for safe operation.
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