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RM1E40AA25 – SSR AS 400V 25A 4-20MA
Carlo Gavazzi RM1E40AA25 single phase analogue solid state relay, a 25 A 340–460 V AC proportional power controller with 4–20 mA input for industrial load regulation.
£104.40
Why Choose the Carlo Gavazzi RM1E40AA25 Solid State Relay?
The Carlo Gavazzi RM1E40AA25 is a high-performance single-phase analogue solid state relay (SSR) designed for precise proportional control of AC loads in industrial automation and heating applications. As part of the trusted Carlo Gavazzi RM1E solid state relay series, it uses phase-angle control technology with a 4–20 mA analogue input to provide accurate regulation of output power.
This solid state relay provides fast, silent and wear-free semiconductor switching compared with traditional electromechanical contactors. The RM1E40AA25 is designed for resistive and slightly inductive loads, offering reliable operation in industrial control systems where accurate power adjustment and long service life are required.
With a rated operational current of 25 A and an operating voltage range of 340–460 V AC, the RM1E40AA25 is suitable for applications including industrial heaters, temperature controllers and process automation equipment. A suitable heatsink is required to achieve the rated load current.
Key Advantages
- Industrial single-phase analogue solid state relay for proportional AC power control.
- 25 A rated operational current for industrial switching applications.
- 4–20 mA analogue control input for accurate output adjustment.
- 340–460 V AC operating voltage range for industrial power systems.
- Silent semiconductor switching with no mechanical wear.
- Suitable for heating and process control applications.
Key Features
- Carlo Gavazzi RM1E solid state relay series.
- 25 A rated operational current.
- Single-phase AC proportional switching.
- 4–20 mA DC control input.
- 340–460 V AC operational voltage.
- Phase-angle control for variable power regulation.
- LED status indication.
- Integrated snubber network.
- Panel mounting design with screw terminals.
Reliable Power Regulation for Industrial Applications
Solid state relays such as the Carlo Gavazzi RM1E40AA25 regulate electrical power by controlling the switching point within the AC waveform. This proportional control method allows smooth adjustment of load output, making the relay particularly suitable for industrial temperature and heating control systems.
The RM1E series provides automation engineers with dependable semiconductor switching, accurate analogue control and compact panel integration. Its robust design supports modern industrial equipment requiring reliable and efficient power management.
Typical Applications
- Industrial heating systems.
- Temperature controllers and thermal processing equipment.
- Ovens, furnaces and heating elements.
- Industrial automation panels.
- Process control equipment.
- OEM machinery and manufacturing systems.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Mounting Type | Panel | |
| Switching Current (A) | 25 A | |
| Coil / Supply Voltage | 380 V AC, 400 V AC, 415 V AC, 440 V AC | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | RM1E | |
| Model | RM1E40AA25 | |
| Product type | Single-phase analogue solid state relay | |
| Switching method | Proportional phase-angle control | |
| Control input | 4–20 mA | |
| Rated operational current | 25 A | |
| Operating voltage | 340–460 V AC | |
| Peak blocking voltage | 850 V | |
| Frequency range | 45–65 Hz | |
| Operating temperature | -20 °C to +70 °C | |
| Protection rating | IP20 (with suitable installation) | |
| Mounting type | Panel mounting | |
| Dimensions | 44.8 × 58.2 × 28.8 mm | |
| Weight | approx. 60 g | |
| Indication | LED status indication |
Frequently Asked Questions
What is the Carlo Gavazzi RM1E40AA25 used for?
The RM1E40AA25 is used for proportional control of single-phase AC loads, including industrial heaters and process temperature control equipment.
What control signal does the RM1E40AA25 require?
The relay uses a 4–20 mA analogue control input for proportional phase-angle power regulation.
What current rating does this solid state relay support?
The RM1E40AA25 supports a rated operational current of 25 A when installed with suitable thermal management.
What voltage range can the RM1E40AA25 control?
The relay operates with AC loads from 340–460 V AC.
Does the RM1E40AA25 require a heatsink?
Yes, a suitable heatsink is required when operating at the rated load current to ensure correct thermal performance.
Trusted by Industrial Automation Engineers
Carlo Gavazzi RM1E solid state relays provide reliable analogue power control for industrial heating, automation and process control applications where accurate regulation and long service life are essential.
