G4-0AC5 OPTO 22 Relay

Review OPTO 22 G4 0ac5 Output Relay Lot Of 120vac 3amp 5volt

The OPTO G4-0AC5 is a versatile and reliable optically isolated relay designed for use with 120VAC inputs and a 3-amp load. This opto-isolated relay ensures safe and efficient operation by keeping the control and load circuits electrically isolated, thereby preventing any potential electrical interference or hazards.

The G4-0AC5 measures 1.6 inches by 1.3 inches by 0.6 inches and is lightweight, making it an excellent choice for space-constrained applications. It features a quiet operation, producing minimal noise during relay switching.

The opto-isolated design of this relay consists of an infrared emitter and a phototransistor. An optical signal from the emitter is received by the phototransistor, triggering the relay to switch on or off. This design offers several advantages, including:

1. Ensuring electrical isolation between the control and load circuits

2. Reducing electrical noise and interference

3. Protecting against voltage surges and short circuits

4. Allowing the control and load circuits to operate at different voltages

The OPTO G4-0AC5 can handle a maximum voltage of 120VAC and a maximum current of 3 amps for the load. It operates on a 5VDC coil voltage. This relay's contacts are rated for a contact life of 5 million operations and are suitable for applications with high contact frequency.

This opto-isolated relay is RoHS compliant and has a high level of electromagnetic compatibility (EMC). It comes with mounting holes for easy installation and includes a 6-inch cord for the input voltage. The OPTO G4-0AC5 is an optimal solution for a wide range of applications, including industrial control systems, HVAC systems, and power distribution systems.

1. Opto-isolated: This relay provides electrical isolation between the control circuit and the load circuit, which can help prevent electrical noise and improve system reliability.

2. 3-amp load capacity: This relay can handle a relatively large load, making it suitable for use in various applications.

3. 5V coil voltage: The coil voltage is relatively low, which can help reduce power consumption and save energy.

1. Size: This relay is larger than some other options on the market, which may limit its use in applications where space is a concern.

2. Price: Compared to some other relays with similar specifications, this relay may be more expensive.

3. Manual operation: This relay does not have built-in automation features, so it may require manual control to turn the load on and off.

The Opto G4-0AC5 G4 0AC5 Relay is a high-quality opto-isolated relay with a reasonable load capacity and low coil voltage. Its main advantages include electrical isolation, which can help improve system reliability, and its ability to handle larger loads than some other options. However, its larger size and higher price compared to some competing products may be drawbacks for some users. Ultimately, whether or not this relay is the right choice for your application will depend on your specific requirements and budget.

If you need an opto-isolated relay with a reasonable load capacity and low coil voltage, the Opto G4-0AC5 G4 0AC5 Relay is a solid choice. However, if size and price are major concerns, you may want to consider other options with similar specifications. Additionally, if you require automation features, you may want to look for a relay with built-in controls or consider using a microcontroller or other automation solution.

Details:

Listing is for all 4 in the pics.

specifications genpurrelays:

• brand: Opto 22
• mpn: G4-0ac5
• current type: Ac
• country of origin: United States

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

shipping genpurrelays:

• type: fixed
• transit: 5-12 days
• class: standard
• service: usps ground advantage
• carrier: usps

returns genpurrelays:

• policy: no returns

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seller genpurrelays:

• # reviews: 1629
• rating: 99.8%
• city: wauseon, ohio

offer genpurrelays:

• started: june 10, 2026
• sold #: 7
• prices: $10.00–$41.03
• item condition:
  • New
  • Used
  • New – Open box
• availability: in stock
• in stock #: 5
• options: ship-to-home