Overview
The Allen-Bradley 1492-IFM20F-F-2 is a fusible interface module terminal block engineered for digital output control in industrial automation systems. This 20-point module connects field-side I/O to CompactLogix, ControlLogix, MicroLogix, and other PLC platforms using the Bulletin 1492 wiring system. The fixed terminal block design with extra output terminals ensures reliable signal conditioning and field device control in demanding manufacturing environments.
Key Features
- 20-point fusible digital interface module with output protection
- Fixed terminal block with two field-side terminals per I/O connection
- Integrated 5 × 20 mm fuse holders (fuses sold separately) for circuit protection
- Compact, DIN-rail mountable form factor
- UL, CE, CUL, NRTL certification for global automation standards
Technical Specifications
| Specification | Value |
| Part Number | 1492-IFM20F-F-2 |
| Module Type | Digital Interface Module, Fixed Terminal Block |
| Connection Type | 20-Pin Connector |
| I/O Configuration | 20 Output Points (Extra Terminal for Outputs) |
| Field Side Terminals | 2 per I/O Connection |
| Fuse Type | 5 × 20 mm Fusible |
| Amperage | 12 Amp Module Maximum |
| Operating Temperature | 0 to 60°C |
| Humidity Range | 5% to 95% (non-condensing) |
| Dimensions (L × W × H) | 110 × 83 × 70.5 mm |
| Weight | 344 grams |
| Certifications | UL, CE, CUL, NRTL |
| Series | Bulletin 1492 Connection Products |
Typical Applications
- Industrial control system field device wiring and termination
- PLC output signal conditioning for solenoids, contactors, and pilot devices
- Factory automation and production line equipment control
- Machine tool and motion control peripheral wiring
- Power distribution and circuit protection in compact control panels
Compatibility & Replacements
Compatible With
- Bulletin 1756 ControlLogix I/O modules
- Bulletin 1746 CompactLogix terminal block adapters
- Bulletin 1769 CompactLogix digital output modules
- Bulletin 1794 FLEX I/O systems
- Bulletin 1771 Micro I/O modules
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. This module is a Series A fusible interface component designed for field wiring termination in compatible Bulletin 1492 wiring systems.
Works With
- Studio 5000 Logix Designer programming software
- RSLogix 5000 controller configuration
- EtherNet/IP communication networks
- Allen-Bradley control systems and peripherals
- Standard screw-terminal field wiring practices


















