Overview
The Allen-Bradley 1492-IFM20F-F120A-2 is a fusible digital interface module designed to streamline PLC I/O wiring and reduce installation labor. This 20-point fusible digital interface module features 5 x 20mm fuse clips, 120V AC/DC blown fuse indicators, and extra terminals for inputs. The interface module connects to both digital and analog PLC I/O modules through pre-wired and pre-tested cables, enabling faster deployment and fewer wiring errors compared to traditional point-to-point methods.
Key Features
- 20-Point Configuration: Accommodates up to 20 field device connections on a single compact module
- Fusible Protection: 2 amp per circuit rating with 12 amp per module maximum, with blown fuse indicators for quick fault diagnosis
- 120V AC/DC Rated: Suitable for both alternating and direct current field devices
- DIN Rail Mounting: Interface modules are mounted onto a standard DIN #3 rail for panel integration
- Pre-wired System Compatibility: Works with the Allen-Bradley Bulletin 1492 pre-wired cable ecosystem to reduce assembly time
- Reduced Wiring Footprint: DIN rail space can be reduced by more than 50% versus traditional terminal block installations
Technical Specifications
The module provides reliable I/O interface functionality with the following ratings and dimensions:
- Current Rating: 2 amp per circuit; 12 amp maximum per module
- Voltage Rating: 120V AC/DC
- I/O Points: 20 total
- Fuse Type: 5 x 20mm fuse clips
- Blown Fuse Indicator: Yes
- Terminals: Extra terminals for inputs included
- Mounting: Standard DIN #3 rail
- Dimensions: Length 6.4 in, Width 4.5 in, Height 4.1 in
- Weight: 331.0 grams
Typical Applications
Allen-Bradley Bulletin 1492 I/O wiring system modules reduce in-panel programmable controller wiring to discrete analog field devices by up to 75%. This module is ideal for:
- Industrial control panel wiring consolidation
- PLC input/output interface integration
- Sensor and actuator field device integration
- Manufacturing automation systems requiring discrete I/O protection
- Factory floor retrofit projects where panel space is limited
Compatibility & Replacements
Compatible With
- Allen-Bradley Bulletin 1492 pre-wired cable systems
- ControlLogix and CompactLogix digital I/O modules
- PLC systems using standard DIN #3 rail mounting
- 20mm fuse-rated field device circuits (2A per channel)
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Direct replacement models should be confirmed against your original equipment documentation.
Works With
- Allen-Bradley Studio 5000 automation software
- RSLogix 5000 platform for PLC configuration
- Allen-Bradley digital I/O module wiring
- Rockwell Automation pre-wired cable assemblies (1492-CABLE series)
