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Compact beige PLC module with eight relay terminals, DIN-rail clips and status LEDs

BFKK

BFKK 1769-OW8I SER B CompactLogix Relay Output Module

SKU CH-FD6W-DGRHB

Eight individually isolated relay outputs for CompactLogix and MicroLogix 1500 systems

  • 8 individually isolated relay outputs for flexible I/O expansion
  • Two groups of four channels simplify wiring and load sharing
  • Operates on 5 to 265 VAC and 5 to 125 VDC for broad voltage compatibility
  • Compatible with MicroLogix 1500 and CompactLogix controllers
  • Maximum heat dissipation of 2.83 W keeps panel temperatures low

CompactLogix Relay Output Module

The BFKK 1769-OW8I SER B is an Allen Bradley PLC expansion module with eight individually isolated form A relay outputs. It provides two groups of four channels for controlling external devices. The module operates across 5 to 265 VAC and 5 to 125 VDC ranges. It is designed for panel or DIN rail mounting in industrial control systems.

Two Groups of Four Isolated Channels

Each of the eight outputs is electrically isolated from the others, allowing separate circuits to be switched without interference. The 4 points per group layout simplifies wiring for loads that share a common reference. Maximum heat dissipation is rated at 2.83 W, aiding thermal planning inside the enclosure. Current draw is 125 mA at 5.1 V and 100 mA at 24 V from the backplane.

Suits MicroLogix 1500 and CompactLogix Builders

This module fits engineers expanding I/O on compatible Allen Bradley platforms where isolated relay switching is required. It is not suited for applications needing solid-state switching speeds or higher density output counts. Buyers requiring analogue output or non-isolated channels should look at alternative module types. The fixed eight-channel count limits scalability within a single slot.

Highlights

  • 8 individually isolated relay outputs for flexible I/O expansion
  • Two groups of four channels simplify wiring and load sharing
  • Operates on 5 to 265 VAC and 5 to 125 VDC for broad voltage compatibility
  • Compatible with MicroLogix 1500 and CompactLogix controllers
  • Maximum heat dissipation of 2.83 W keeps panel temperatures low

Specifications

No published specifications for this item yet.

Questions about this item

How often will the eight individually isolated relay contacts need replacement under typical switching loads?

The module uses eight normally open, individually isolated Form A relay outputs rated for 5 to 265 VAC and 5 to 125 VDC; contact life depends on the actual load current and switching frequency in your application.

What thermal limit is reached first when all eight outputs run continuously at rated current?

Maximum heat dissipation is 2.83 W, so the enclosure temperature rise becomes the limiting factor before the internal 5.1 V supply hits its 125 mA or 24 V supply hits its 100 mA current draw ratings.

How much warmer does the cabinet get when the module dissipates its maximum 2.83 W all day?

At 2.83 W the module adds a small, steady heat load; with normal panel ventilation the temperature rise is typically only a few degrees Celsius above ambient.

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