Overview
The Opto 22 G4OAC5 is a G4-series digital AC output module engineered for switching and controlling AC loads in industrial automation. With a 12-140VAC output range, 5VDC logic control, and compact form factor, this module integrates seamlessly into existing automation systems and control architectures. It delivers reliable AC switching with minimal footprint and supports fast troubleshooting via built-in LED status indication.
Key Features
- 12-140VAC output voltage range, 5VDC logic input
- Up to 4000V optical isolation between field outputs and control side
- Zero voltage turn-on and zero current turn-off for cleaner switching
- Compact single-channel DIN-rail module with LED status indicator
- 4-amp fast-blow fuse with 40-amp breaking capacity at 250VAC
- SPST-NO (Form A) equivalent, manual switching option available
Technical Specifications
- Output Voltage: 12–140 VAC nominal 120VAC
- Logic Voltage: 5 VDC
- Output Current: 3A rated
- Optical Isolation: 4000V (transient)
- Fuse Rating: 4 amp fast-blow, 40A breaking capacity at 250VAC
- Contact Type: SPST-NO (Form A, normally open)
- Dimensions: 48.8 x 12.2 x 41.1 mm
- Module Family: G4 I/O (compact single-channel)
- Indicator: LED status light for module status
Typical Applications
The G4OAC5 is suited for controlling AC loads including:
- AC relays and contactor switching
- Solenoid valve control
- Motor starter circuits
- Electric heater and heating element control
- Indicator lamps and visual signal control
- General-purpose AC load switching in industrial machinery
Compatibility & Replacements
Compatible With
- Opto 22 groov EPIC and groov RIO edge controllers
- Opto 22 SNAP PAC controllers and I/O bases
- Opto 22 G4 I/O systems and racks
- Raspberry Pi (via OPTO-P1-40P Digital I/O Carrier Board)
- Standard industrial AC loads and switching circuits
Replaces / Drop-In Replacement For
- G4OAC5FM (Factory Mutual approved variant with same electrical specs)
- Earlier Opto 22 single-channel AC output modules in 12-140VAC range
- Legacy relay-based AC switching circuits in compact form factor requirements
Works With
- Opto 22 PAC Control programming environment
- Opto 22 groov automation platform
- Standard industrial automation protocols and networks (via parent controller)
- Python and scripting on Raspberry Pi platforms
