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RA4425-D08 – SSR ZS 400V 25A 3-32VDC
Carlo Gavazzi RA4425-D08 single-phase solid state relay with zero-cross switching, 25 A load rating and 3–32 V DC control input for industrial AC load switching.
Why Choose the Carlo Gavazzi RA4425-D08 Solid State Relay?
The Carlo Gavazzi RA4425-D08 is a reliable single-phase solid state relay (SSR) designed for efficient switching of industrial AC loads. As part of the Carlo Gavazzi RA44 series solid state relay range, it provides zero-cross switching technology, robust semiconductor output control and dependable performance for industrial automation and control panel applications.
This compact solid state relay offers fast, silent and wear-free electronic switching compared with traditional electromechanical relays. Its DIN rail and panel mounting capability, screw terminals and integrated heat management design make it suitable for reliable installation in industrial control systems.
With a 25 A load current rating, a 42–480 V AC operating voltage range and a 3–32 V DC control voltage, the RA4425-D08 is suitable for switching industrial AC loads including resistive and motor-related applications.
Key Advantages
- Reliable single-phase solid state relay for industrial switching applications.
- Zero-cross switching technology helps reduce electrical interference and switching stress.
- 25 A load current rating for industrial AC applications.
- 3–32 V DC control input compatible with common automation control systems.
- Flexible DIN rail or panel mounting installation options.
- Solid state technology provides long operational life with reduced maintenance requirements.
Key Features
- Carlo Gavazzi RA44 series solid state relay.
- Single-pole SPST semiconductor output.
- Zero-cross switching output.
- 25 A maximum load current.
- 42–480 V AC load voltage range.
- 3–32 V DC control voltage range.
- DIN rail and panel mounting capability.
- Screw terminal connections.
- Thyristor output technology.
- LED status indication.
Reliable Solid State Switching for Industrial Automation
Solid state relays such as the Carlo Gavazzi RA4425-D08 provide dependable electronic switching without mechanical contacts, making them ideal for industrial systems where reliability, fast response and long service life are important.
The RA44 series is designed for automation engineers and control panel builders requiring efficient AC load switching, compact installation and reliable semiconductor-based control solutions.
Typical Applications
- Industrial heating control systems.
- Process temperature regulation equipment.
- Industrial automation panels.
- Motor and AC load switching applications.
- Machine control systems.
- Manufacturing and production equipment.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 25 A | |
| Mounting Type | DIN rail, Panel | |
| Coil / Supply Voltage | 12 V DC, 24 V DC, 5 V DC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RA44 | |
| Model | RA4425-D08 | |
| Product type | Solid state relay | |
| Relay configuration | SPST | |
| Number of phases | 1-phase | |
| Mounting type | DIN rail / panel mounting | |
| Switching mode | Zero cross | |
| Load current | 25 A | |
| Operating voltage | 42–480 V AC | |
| Control voltage | 3–32 V DC | |
| Terminal type | Screw terminals | |
| Output type | Thyristor | |
| Operating temperature range | -20 to +70 °C | |
| Standards and approvals | CE, EAC |
Frequently Asked Questions
What is the Carlo Gavazzi RA4425-D08 used for?
The RA4425-D08 is a solid state relay used for switching industrial AC loads in automation and control systems.
What current rating does the RA4425-D08 support?
The relay supports a maximum load current of 25 A for suitable industrial applications.
What voltage range does the RA4425-D08 operate with?
The RA4425-D08 operates with an AC load voltage range of 42–480 V AC.
What switching technology does this solid state relay use?
The relay uses zero-cross switching technology for reliable electronic switching with reduced electrical stress.
How is the RA4425-D08 mounted?
The RA4425-D08 can be installed using DIN rail or panel mounting methods.
Trusted by Industrial Automation Professionals
Carlo Gavazzi RA44 series solid state relays are widely used in industrial automation systems where reliable switching, compact installation and long operational life are required.
