Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
RM1E48AA75 – SSR AS 480V 75A 4-20MA
Carlo Gavazzi RM1E48AA75 single phase analogue solid state relay, a 75 A 200–550 V AC proportional power controller with 4–20 mA input for industrial load regulation.
£143.18
Why Choose the Carlo Gavazzi RM1E48AA75 Solid State Relay?
The Carlo Gavazzi RM1E48AA75 is a high-performance single-phase analogue solid state relay (SSR) designed for precise proportional control of AC loads in industrial automation, heating and process control applications. As part of the proven Carlo Gavazzi RM1E solid state relay series, it uses phase-angle switching technology with a 4–20 mA analogue control input to provide accurate adjustment of output power.
This industrial SSR provides fast, silent and wear-free semiconductor switching compared with traditional electromechanical contactors. The RM1E48AA75 is designed for resistive and slightly inductive loads, offering reliable operation where accurate power regulation, long service life and low maintenance are required.
With a rated operational current of 75 A and an operating voltage range of 200–550 V AC, the RM1E48AA75 is suitable for industrial heating systems, temperature controllers, lighting applications and process automation equipment requiring proportional AC load control.
Key Advantages
- Industrial single-phase analogue solid state relay for proportional AC power control.
- 75 A rated operational current for demanding industrial applications.
- 4–20 mA analogue control input for precise output power regulation.
- 200–550 V AC operating voltage range for flexible industrial installations.
- Silent semiconductor switching with no mechanical contact wear.
- Suitable for heaters, lighting and slightly inductive loads such as small fans.
Key Features
- Carlo Gavazzi RM1E solid state relay series.
- 75 A rated AC-51 current.
- Single-phase proportional phase-angle control.
- 4–20 mA analogue control signal.
- 200–550 V AC operating voltage.
- 1200 V peak blocking voltage.
- Variable intensity LED indication.
- Integrated snubber network.
- Panel mounting design with screw terminals.
Reliable Power Regulation for Industrial Applications
Solid state relays such as the Carlo Gavazzi RM1E48AA75 regulate electrical power by controlling the switching point within the AC waveform. This proportional phase-angle control method enables smooth adjustment of load output, making the relay particularly suitable for industrial heating and process control systems.
The RM1E series is designed for automation engineers requiring dependable semiconductor switching, compact panel integration and accurate analogue control. Its robust construction and integrated protection features support reliable operation in modern industrial systems.
Typical Applications
- Industrial heating systems.
- Temperature controllers and thermal processing equipment.
- Industrial lighting control.
- Ovens and heating elements.
- Small fan and slightly inductive load control.
- OEM machinery and process automation systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Mounting Type | Panel | |
| Switching Current (A) | 75 A | |
| Coil / Supply Voltage | 208 V AC, 220 V AC, 230 V AC, 240 V AC, 380 V AC, 400 V AC, 415 V AC, 440 V AC, 480 V AC, 500 V AC | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | RM1E | |
| Model | RM1E48AA75 | |
| Product type | Single-phase analogue solid state relay | |
| Switching method | Proportional phase-angle control | |
| Control input | 4–20 mA | |
| Rated operational current | 75 A AC-51 | |
| Operating voltage | 200–550 V AC | |
| Peak blocking voltage | 1200 V | |
| Frequency range | 45–65 Hz | |
| Operating temperature | -20 °C to +70 °C | |
| Protection rating | IP20 | |
| Mounting type | Panel mounting | |
| Connection type | Screw terminals with captive clamp | |
| Dimensions (H × W × D) | 44.8 × 58.2 × 28.8 mm | |
| Weight | approx. 100 g | |
| Indication | LED status indication |
Frequently Asked Questions
What is the Carlo Gavazzi RM1E48AA75 used for?
The RM1E48AA75 is used for proportional control of single-phase AC loads including industrial heaters, lighting systems and process control equipment.
What control signal does the RM1E48AA75 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 RM1E48AA75 supports a rated operational current of 75 A AC-51 when installed with suitable thermal management.
What voltage range can the RM1E48AA75 control?
The relay operates with AC loads from 200–550 V AC.
Does the RM1E48AA75 require a heatsink?
Yes, suitable heatsinking is required to achieve the rated load current and maintain 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.
