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RA48110H12NOS – SSR SENSE ZS 480V 110A NPN NO
Carlo Gavazzi RA48110H12NOS solid state relay, a 110 A single phase zero-cross switching relay with system monitoring for industrial AC load control applications.
£109.62
Why Choose the Carlo Gavazzi RA48110H12NOS Solid State Relay?
The Carlo Gavazzi RA48110H12NOS is a high-current single-phase zero-cross switching solid state relay (SSR) designed for reliable AC load switching and advanced system monitoring in industrial automation applications. As part of the Carlo Gavazzi RA48 solid state relay series, it combines powerful semiconductor switching technology with integrated fault monitoring and an NPN normally open alarm output for demanding industrial environments.
This solid state relay provides silent, maintenance-free operation by replacing mechanical contacts with semiconductor switching components. The integrated monitoring function helps identify system faults, while zero-cross switching reduces electrical interference and switching stress on connected loads.
With a rated operational current of 110 A AC, an operating voltage range of 180–530 V AC and a 20–32 V DC control supply, the RA48110H12NOS is suitable for industrial heating, machinery, process control and high-power automation applications.
Key Advantages
- High-current solid state relay designed for industrial AC switching applications.
- 110 A AC rated current for demanding industrial loads.
- Zero-cross switching technology helps minimise electrical interference.
- Integrated system monitoring with NPN normally open alarm output.
- 20–32 V DC control supply for modern automation systems.
- Silent semiconductor operation with no mechanical contacts to wear.
Key Features
- Carlo Gavazzi RA48 solid state relay series.
- 110 A AC rated operational current.
- 180–530 V AC operating voltage range.
- 20–32 V DC control supply range.
- Single-phase zero-cross switching operation.
- Integrated system monitoring functionality.
- NPN normally open alarm output.
- LED indication for status monitoring.
- Panel mounting design with screw terminals.
Reliable Electronic Switching with System Monitoring
Solid state relays such as the Carlo Gavazzi RA48110H12NOS provide dependable electronic control of high-power AC loads by using semiconductor technology. This improves switching reliability, reduces maintenance requirements and supports long operational life in industrial automation systems.
The integrated monitoring capability provides additional diagnostic information for machine builders and automation engineers. With zero-cross switching and alarm signalling, the RA48110H12NOS supports reliable operation in applications where system availability and fault detection are important.
Typical Applications
- Industrial heating and temperature control systems.
- High-power industrial machinery.
- Process control equipment.
- Automation and electrical control panels.
- Industrial ovens and thermal processing systems.
- OEM machine building applications.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 110 A | |
| Mounting Type | Panel | |
| Coil / Supply Voltage | 24 V DC | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | RA48 Solid State Relays | |
| Model | RA48110H12NOS | |
| Product type | Solid state relay | |
| Number of poles | 1-pole | |
| Switching type | Zero-cross switching | |
| Rated operational current | 110 A AC | |
| Rated operational current AC-53a | 30 A | |
| Operating voltage | 180–530 V AC | |
| Blocking voltage | 1200 Vp | |
| Control voltage | 20–32 V DC | |
| Alarm output | NPN normally open | |
| Monitoring function | System monitoring | |
| Mounting type | Panel mounting | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | approx. 44.5 × 29 × 57.8 mm | |
| Weight | approx. 120 g | |
| Protection rating | IP20 |
Frequently Asked Questions
What is the Carlo Gavazzi RA48110H12NOS used for?
The RA48110H12NOS is a high-current solid state relay used for reliable AC load switching in industrial automation, heating and process control applications.
What load current can the RA48110H12NOS handle?
The relay supports a rated operational current of 110 A AC.
What voltage range does the RA48110H12NOS support?
The relay operates with an AC load voltage range of 180–530 V AC.
What control voltage is required?
The RA48110H12NOS requires a 20–32 V DC control supply.
What monitoring features are included?
The relay includes system monitoring with an NPN normally open alarm output for fault indication.
Trusted by Industrial Automation Engineers
Carlo Gavazzi solid state relays are widely used in industrial control systems to provide reliable, efficient and maintenance-free switching performance with advanced monitoring capabilities.
