Overview
The Grayhill 70G-OAC5A is a pluggable AC output module designed for reliable field switching in industrial control and data acquisition systems. This Grayhill 70G-OAC5A module provides 240VAC switching capability at 3.5A with an integral 5A/250V fuse for circuit protection. The unit delivers optical isolation between sensitive microprocessor or digital logic circuits and AC field power devices, ensuring safe and dependable operation in demanding environments.
Key Features
- 240VAC output rating with 3.5A maximum load current
- Integrated 5A/250V fuse for built-in protection
- Optical isolation between logic and field circuits
- Pluggable design for easy installation and replacement
- Compatible with standard Grayhill I/O racks and control systems
- Switches 250VAC at 20mA load
Technical Specifications
- Output Voltage: 240VAC rated
- Maximum Load Current: 3.5A
- Fuse Rating: 5A at 250V AC
- Isolation Type: Optical
- Output Switching: 250VAC, 20mA typical
- Logic Supply: 5V
- Module Type: Digital AC Output
- Form Factor: Standard pluggable module
- Manufacturer: Grayhill, Inc.
Typical Applications
- Industrial PLC and control system I/O expansion
- AC relay output switching for motor controls and contactors
- Field device interface in data acquisition systems
- Safety-critical switching with fused protection
- Manufacturing and process control automation
- HVAC and building automation systems
Compatibility & Replacements
Compatible With
- Grayhill standard and mini I/O racks
- Grayhill G5 module systems
- Industrial PLC platforms supporting 5V logic modules
- Standard 240VAC industrial power distribution
- Systems requiring optically isolated AC switching
Replaces / Drop-In Replacement For
- Earlier Grayhill 70-OAC5A standard module versions
- Other optically isolated 240VAC output modules with equivalent pinouts
- Verify exact replacement compatibility with original system documentation before ordering
Works With
- Grayhill digital I/O control systems
- Industrial automation platforms with standard I/O racks
- AC field switching and relay output applications
- Systems requiring galvanic isolation between logic and power circuits
