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RA1225H06NOS – SSR SENSE ZS 120V 25A,NPN,NO
Carlo Gavazzi RA1225H06NOS solid state relay, a 25 A system monitoring relay designed for reliable AC load switching and industrial automation applications.
Why Choose the Carlo Gavazzi RA1225H06NOS Solid State Relay?
The Carlo Gavazzi RA1225H06NOS is a high-performance single-phase solid state relay (SSR) with integrated system monitoring designed for reliable switching and fault detection in industrial automation and control applications. As part of the Carlo Gavazzi RA sense relay series, it combines zero-cross switching technology with load and line monitoring to provide dependable operation in demanding industrial environments.
This solid state relay provides efficient semiconductor switching while continuously monitoring system operation. The integrated sensing function detects faults such as line voltage issues, load current problems and SSR switching failures, helping improve machine reliability and reduce unexpected downtime.
With a rated operational current of 25 A AC and an operating voltage range of 60–140 V AC, the RA1225H06NOS is suitable for industrial heating, process control and automation applications requiring reliable switching and fault monitoring. Its panel-mount design enables straightforward installation within electrical control systems.
Key Advantages
- Compact solid state relay designed for industrial automation applications.
- 25 A AC switching capability for industrial loads.
- 60–140 V AC operating voltage range suitable for low-voltage AC systems.
- Integrated system monitoring and alarm output for fault detection.
- Zero-cross switching reduces electrical noise and improves switching reliability.
- Reliable semiconductor switching with long operational life.
Key Features
- Carlo Gavazzi RA sense solid state relay series.
- 25 A rated operational current.
- 60–140 V AC rated operational voltage range.
- Zero voltage turn-on switching technology.
- Integrated monitoring of line voltage, load current and SSR operation.
- NPN normally open alarm output.
- LED indication for relay status and fault monitoring.
- Panel mounting with screw terminal connections.
Reliable Switching and System Monitoring for Industrial Automation
Solid state relays such as the Carlo Gavazzi RA1225H06NOS provide fast, silent and wear-free electronic switching compared with traditional electromechanical relays. The zero-cross switching design helps minimise electrical interference while extending component life in industrial applications.
The RA sense relay series is designed for applications where immediate fault detection is important. Its integrated monitoring functions allow engineers to identify system problems quickly and maintain reliable operation of production equipment and automated processes.
Typical Applications
- Industrial heating and temperature control systems.
- Process automation equipment.
- Industrial machinery control panels.
- Ovens, heaters and thermal management systems.
- Production and packaging equipment.
- OEM automation and electrical control systems.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Mounting Type | Panel | |
| Switching Current (A) | 25 A | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RA Sense Solid State Relays | |
| Model | RA1225H06NOS | |
| Product type | System monitoring solid state relay | |
| Rated operational current | 25 A AC | |
| Operating voltage | 60–140 V AC | |
| Blocking voltage | 650 V peak | |
| Switching mode | Zero crossing | |
| Control input | Active high DC input | |
| Alarm output | NPN normally open | |
| Operating frequency | 45–65 Hz | |
| Operating temperature | -20 °C to +70 °C | |
| Mounting type | Panel mounting | |
| Poles | 1-pole | |
| Weight | approx. 100 g |
Frequently Asked Questions
What is the Carlo Gavazzi RA1225H06NOS used for?
This solid state relay is used for reliable AC load switching with integrated system monitoring in industrial automation and control applications.
What current rating does this solid state relay support?
The RA1225H06NOS supports a rated operational current of 25 A AC.
What voltage range does the relay operate with?
The relay operates with an AC voltage range of 60–140 V AC.
What monitoring functions are included?
The relay monitors line voltage, load current and SSR operation, providing alarm indication when a fault condition is detected.
Where is this solid state relay installed?
The RA1225H06NOS is typically installed in industrial control panels for automation, heating and process control systems.
Trusted by Industrial Automation Engineers Worldwide
Carlo Gavazzi RA sense solid state relays are used by automation professionals to deliver reliable switching, integrated fault monitoring and dependable performance in modern industrial systems.
