Product Description
Allen-Bradley 1756-OW16I/A Relay Isolated Output Module
The Allen-Bradley 1756-OW16I/A is a highly reliable 16-point normally open (N.O.) isolated relay output module designed specifically for the ControlLogix platform. This Series A module delivers robust performance for industrial automation applications, featuring an AC C300/DC R150 pilot duty rating. It operates efficiently with a backplane current draw of 150mA at both 5.1VDC and 24VDC. Engineered for demanding environments, it supports a maximum ambient operating temperature of 60°C and holds multiple safety certifications including UL, CE, CSA, and FM. Furthermore, it is certified for use in Class I, Division 2 hazardous locations (Groups A, B, C, D; Temperature Code T4A). With firmware revision 3.2, this module ensures seamless integration and dependable switching capabilities for your critical control systems.
Technical Specifications:
- Brand: Allen-Bradley
- Model/Catalog Number: 1756-OW16I/A
- Module Type: Isolated Relay Output Module for ControlLogix
- Number of Outputs: 16-Point Normally Open (N.O.)
- Pilot Duty Rating: AC C300 / DC R150
- Backplane Current Draw: 150mA @ 5.1VDC / 150mA @ 24VDC
- Maximum Ambient Temperature (Tamb): 60°C
- Firmware Revision: 3.2
- Certifications: UL US Listed, CE, FM, CSA
- Hazardous Location Rating: Class I, Division 2, Groups A, B, C, D (Temp Code T4A)

Allen-Bradley 1756-OW16I/A Relay Isolated Output Module
Optimize your ControlLogix system with the Allen-Bradley 1756-OW16I/A 16-point isolated relay output module. Featuring N.O. contacts, AC C300/DC R150 pilot duty, and Class I, Div 2 hazardous location certifications for reliable, industrial-grade performance.






