Opto 22 G4 OAC5A AC Output Module
The Opto 22 G4 OAC5A is a high-performance AC output module designed to control or switch AC loads ranging from 24 to 280 VAC, utilizing a 5 VDC logic input. This module is ideal for applications requiring reliable switching of devices such as relays, solenoids, motor starters, heaters, lamps, or indicators.
Key Features
- Wide Operating Voltage Range: Capable of handling output voltages between 24 and 280 VAC, accommodating various industrial applications.
- High Current Capacity: Supports a current rating of 3 A at 45°C ambient temperature and 2 A at 70°C ambient temperature, ensuring robust performance under varying conditions.
- Optical Isolation: Provides up to 4000 V (transient) of optical isolation between field devices and control logic, enhancing safety and reducing electrical interference.
- Zero Voltage Turn-On and Zero Current Turn-Off: Features zero voltage turn-on and zero current turn-off, minimizing electrical noise and extending the lifespan of connected devices.
- Built-in LED Status Indicator: Equipped with an LED indicator for easy status monitoring and diagnostics.
- Removable Fuse: Includes a removable 4 A fast-blow fuse with a breaking capacity of 40 A at 250 VAC, providing overcurrent protection and ease of maintenance.
Technical Specifications
- Nominal Line Voltage: 120/240 VAC
- Output Voltage Range: 24–280 VAC
- Current Rating: 3 A at 45°C ambient; 2 A at 70°C ambient
- UL Motor Load Rating: 1.5 A
- Isolation Input-to-Output (Transient): 4000 V for 1 ms; 1500 V for 1 minute
- Off-State Leakage at Nominal Voltage (60 Hz): 2.5 mA RMS
- Nominal Logic Voltage: 5 VDC
- Logic Voltage Range: 4–8 VDC
- Logic Pickup Voltage: 4 VDC
- Logic Dropout Voltage: 1 VDC
- Logic Input Current at Nominal Logic Voltage: 12 mA
- Control Resistance (Rc): 220 ohms
- One-Cycle Surge: 80 A peak
- Turn-On Time at 60 Hz: ≤8.3 ms
- Turn-Off Time at 60 Hz: ≤8.3 ms
- Peak Repetitive Voltage: 500 VAC
- Minimum Load Current: 20 mA
- Output Voltage Drop Maximum Peak: 1.6 V
- Operating Frequency: 25–65 Hz
- dV/dT-Off-State: 200 V/μs
- dV/dT-Commutating: Snubbed for 0.5 power factor load
- Operating Temperature: -30 to +70°C
- Storage Temperature: -30 to +85°C
The G4 OAC5A module’s rugged construction and advanced features make it a reliable choice for industrial automation and process control applications, ensuring efficient and safe operation of AC loads.







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