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RM1B40D25 – SSR IO 400V 25A 4-32 VDC LED
Carlo Gavazzi RM1B40D25 solid state relay, a 25 A single phase AC switching relay with 4–32 V DC control input for industrial automation and load control applications.
£42.51
Why Choose the Carlo Gavazzi RM1B40D25 Solid State Relay?
The Carlo Gavazzi RM1B40D25 is a compact and reliable single-phase solid state relay (SSR) designed for efficient AC load switching in industrial automation, heating control and electrical control applications. As part of the proven Carlo Gavazzi RM1B solid state relay series, it provides instant-on switching, semiconductor reliability and long operational life for demanding industrial environments.
This panel mount SSR uses solid state switching technology to provide fast, silent and wear-free operation compared with traditional electromechanical relays. The RM1B series is designed for applications requiring frequent switching cycles, dependable performance and straightforward integration into industrial control systems.
With a rated current of 25 A AC, an operating voltage range of 42–440 V AC and a 4–32 V DC control input, the RM1B40D25 is suitable for industrial heating equipment, machinery and automation systems requiring reliable AC power switching.
Key Advantages
- Compact single-phase solid state relay for industrial switching applications.
- 25 A AC rated current for dependable load control.
- Instant-on switching for rapid response and precise control.
- 4–32 V DC control input compatible with PLCs and automation systems.
- Built-in overvoltage protection for improved operating reliability.
- Panel mount design for simple installation in electrical cabinets.
Key Features
- Carlo Gavazzi RM1B solid state relay series.
- 1-pole panel mount SSR design.
- 25 A rated current (AC-51).
- 5 A rated current (AC-53a).
- 42–440 V AC operating voltage range.
- 4–32 V DC control voltage range.
- Instant-on output switching mode.
- Screw terminal power connection with captive clamp.
Reliable AC Load Switching for Industrial Automation
Solid state relays such as the Carlo Gavazzi RM1B40D25 provide efficient electronic switching for industrial loads by replacing mechanical contacts with semiconductor technology. This enables silent operation, reduced maintenance and reliable performance in systems requiring frequent switching cycles.
The RM1B series is designed for integration into industrial control panels and automation systems, offering dependable switching performance for heating equipment, machinery and process control applications.
Typical Applications
- Industrial heating control systems.
- Temperature regulation equipment.
- Packaging and production machinery.
- Industrial automation panels.
- Process control systems.
- AC load switching applications.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 25 A | |
| Mounting Type | Panel | |
| Coil / Supply Voltage | 12 V DC, 24 V DC, 5 V DC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RM1B | |
| Model | RM1B40D25 | |
| Product type | Solid state relay (SSR) | |
| Number of poles | 1 | |
| Number of phases | 1 | |
| Switching mode | Instant-on | |
| Rated current AC-51 | 25 A | |
| Rated current AC-53a | 5 A | |
| Operating voltage | 42–440 V AC | |
| Control voltage | 4–32 V DC | |
| Output switching type | AC switching | |
| Blocking voltage | 800 V peak | |
| Mounting type | Panel mounting | |
| Power connection | Screw terminal with captive clamp | |
| Protection | Built-in overvoltage protection |
Frequently Asked Questions
What is the Carlo Gavazzi RM1B40D25 used for?
The RM1B40D25 is a solid state relay designed for controlling AC electrical loads in industrial automation, heating and machinery applications.
What current rating does the RM1B40D25 support?
The relay supports a rated current of 25 A AC-51 for suitable industrial switching applications.
What voltage does the Carlo Gavazzi RM1B40D25 switch?
The RM1B40D25 operates with an AC load voltage range of 42–440 V AC.
What control signal is required?
The relay is controlled using a 4–32 V DC input signal, making it suitable for PLC and automation control systems.
How is the RM1B40D25 mounted?
The RM1B40D25 is designed for panel mounting inside electrical control cabinets and industrial equipment.
Trusted for Industrial Switching Applications
Carlo Gavazzi RM1B solid state relays are widely used by automation engineers and industrial manufacturers requiring reliable, high-cycle AC switching performance and long operational life.
