

The Allen-Bradley 1794-OB8EP is a high-performance FLEX I/O digital DC output module engineered for reliable control in industrial automation systems. This 8-point output module operates at 24V DC, providing sourcing (sink) type outputs with built-in electronic protection against short circuits and overloads. Its compact form factor integrates seamlessly into FLEX I/O chassis, enabling distributed I/O architectures that reduce wiring and cabinet space. Designed for demanding applications, the 1794-OB8EP ensures robust performance in harsh environments, with status LEDs for each channel and a rugged housing for vibration resistance. Whether used in manufacturing, process control, or material handling, this module delivers consistent, fast switching for solenoid valves, indicators, and other DC loads.
| Specification | Details |
|---|---|
| Part Number | 1794-OB8EP |
| Product Type | FLEX I/O Digital DC Output Module |
| Number of Outputs | 8 Points |
| Output Voltage Range | 24V DC (10-30V DC) |
| Output Type | Sourcing (PNP) – Current Sink |
| Output Current per Point | 0.5 A at 40°C, derate to 0.25 A at 60°C |
| Total Output Current per Module | 4 A at 40°C, 2 A at 60°C |
| Protection | Electronic Short Circuit and Overload Protection (per point) |
| Isolation Voltage | 1500V AC between outputs and backplane, 50V between outputs |
| Response Time | 0.5 ms (OFF to ON), 1.0 ms (ON to OFF) |
| Power Supply Requirement | 24V DC (from backplane or external supply) |
| Backplane Current Draw | 75 mA at 5V DC (typical) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Humidity Range | 5% to 95% non-condensing |
| Mounting | FLEX I/O chassis (1794 series) via DIN rail or panel |
| Indicators | Green LED per channel (output ON), Red LED for fault |
| Dimensions (H x W x D) | 94 mm x 45 mm x 87 mm (3.7 in x 1.77 in x 3.43 in) |
| Weight | Approx. 0.15 kg (0.33 lbs) |
| Certifications | UL, CSA, CE, ATEX (Zone 2), IECEx |
| Compatibility | FLEX I/O adapters: 1794-ASB, 1794-AENT, 1794-AENTR, etc. |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22