AB 1794-OW8 Flex 8 Point Relay Output Module

The Allen-Bradley 1794-OW8 is a Relay output module that is part of the Flex I/O product family. This module primarily features Eight (8) isolated Normally Open (N.O.) electromechanical relay that are rated 250V AC, 2 A, 50/60Hz for resistive load; 120/240V AC, 50/60Hz,1800V A Make, 180V A Break; 5…30V DC, 2 A, Resistive;

The 1794-OW8 is used with 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBN and 1794-TBNF terminal base units. If 1794-TBNF is used, use a 3.0 Ampere, 250VAC slow-blow fuse or the Allen-Bradley recommended fuse Littelfuse with part. number 239003. This module has a off-state leakage current of 1.0 mA through snubber circuit with minimum contact load rating of 100 μA @ 100 mV DC. It has a pilot duty rating of R150, 5...30V DC, 28V A not to exceed 1 A below 28V DC.

The 1794-OW8 is compatible for use any any Flex I/O communication adapters as well as with FlexBus controllers. This module has a current draw of 5V DC, 35 mA with supply voltage rating of 24V DC, 125 mA. The relay output channels has a maximum of signal delay 10 ms for both signal transitions while the initial contact resistance is 30 mΩ, switching frequency of 1 operation every 3 s or 0.3Hz at rated load and contact mean bounce time of 1.2 ms. Additionally, each output contact has an expected contact life of 100,000 operations, min @ rated loads.