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RA4825-D12 – SSR ZS 480V 25A 3-32VDC
Carlo Gavazzi RA4825-D12 single-phase solid state relay with zero-cross switching, 25 A current rating and 3–32 V DC control input for industrial AC load control.
£41.02
Why Choose the Carlo Gavazzi RA4825-D12 Solid State Relay?
The Carlo Gavazzi RA4825-D12 is a compact and reliable single-phase solid state relay (SSR) designed for efficient electronic switching of AC loads in industrial automation, heating systems and power control applications. As part of the trusted Carlo Gavazzi RA48 solid state relay series, it provides zero-cross switching technology, robust semiconductor performance and dependable operation for demanding industrial environments.
This panel-mounted SSR provides fast, silent and maintenance-free switching compared with conventional electromechanical relays. Its thyristor-based output design improves reliability for applications requiring frequent switching cycles, while the compact hockey-puck style housing allows straightforward installation with a suitable heatsink.
With a rated operating current of 25 A AC, an operating voltage range of 42–530 V AC and a 3–32 V DC control input, the RA4825-D12 is ideal for industrial load switching applications including heating control, machinery and automation systems.
Key Advantages
- Compact solid state relay designed for industrial switching applications.
- 25 A AC rated current suitable for a wide range of loads.
- Zero-cross switching technology reduces electrical stress during operation.
- 3–32 V DC control input compatible with PLC and automation systems.
- Silent, fast and wear-free semiconductor switching.
- Panel mount design for industrial control cabinets.
Key Features
- Carlo Gavazzi RA48 series solid state relay.
- Single-pole SPST-NO AC switching output.
- 25 A AC-51 rated operating current.
- 5 A AC-53a rated operating current.
- 42–530 V AC operating voltage range.
- 3–32 V DC control voltage range.
- Zero-cross switching output.
- Thyristor output technology.
- Screw terminal power connections.
Reliable Electronic Power Switching for Industrial Systems
Solid state relays such as the Carlo Gavazzi RA4825-D12 provide dependable electronic switching by using semiconductor technology instead of mechanical contacts. This enables silent operation, rapid response and extended service life in applications where frequent switching is required.
The RA48 series is designed for industrial automation engineers requiring reliable AC load control, compact installation and efficient switching performance. Zero-cross technology helps reduce electrical stress on connected equipment while maintaining accurate load control.
Typical Applications
- Industrial heating control systems.
- Temperature regulation equipment.
- Industrial automation panels.
- Machine control systems.
- Power switching applications.
- Process control equipment.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Mounting Type | Panel | |
| Coil / Supply Voltage | 12 V DC, 24 V DC, 5 V DC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RA48 Solid State Relays | |
| Model | RA4825-D12 | |
| Product type | Solid state relay | |
| Relay configuration | SPST-NO (1 Form A) | |
| Number of phases | 1-phase | |
| Switching mode | Zero cross | |
| Rated operating current AC-51 | 25 A AC | |
| Rated operating current AC-53a | 5 A AC | |
| Operating voltage | 42–530 V AC | |
| Control voltage | 3–32 V DC | |
| Blocking voltage | 1200 V peak | |
| Mounting type | Panel mounting | |
| Connection type | Screw terminals | |
| Operating temperature | -20 to 70 °C | |
| Dimensions (H × W × D) | approx. 24.5 × 44.5 × 57.8 mm |
Frequently Asked Questions
What is the Carlo Gavazzi RA4825-D12 used for?
The RA4825-D12 is a single-phase solid state relay used for reliable electronic switching of AC loads in industrial automation and control applications.
What current rating does the RA4825-D12 support?
The relay supports a rated operating current of 25 A AC for AC-51 applications.
What voltage range does this solid state relay operate with?
The RA4825-D12 operates with an AC voltage range of 42–530 V AC.
What switching technology does the RA4825-D12 use?
The relay uses zero-cross switching technology to provide reliable electronic switching with reduced electrical stress.
Where is the RA4825-D12 typically installed?
The relay is typically installed inside industrial control panels for automation, heating and AC power switching applications.
Trusted by Industrial Automation Professionals
Carlo Gavazzi solid state relays are widely used in industrial automation applications where reliable, efficient and maintenance-free electronic switching is required.
