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.
RM1E40AA50 – SSR AS 400V 50A 4-20MA
Carlo Gavazzi RM1E40AA50 single phase analogue solid state relay, a 50 A 340–460 V AC proportional power controller with 4–20 mA input for industrial load regulation.
£132.00
Why Choose the Carlo Gavazzi RM1E40AA50 Solid State Relay?
The Carlo Gavazzi RM1E40AA50 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 provides phase-angle power regulation using a 4–20 mA analogue input signal for accurate adjustment of electrical output.
This industrial SSR provides fast, silent and reliable semiconductor switching compared with traditional electromechanical relays. The RM1E40AA50 is designed for resistive and slightly inductive loads, offering dependable operation where precise power management, long service life and low maintenance are required.
With a rated operational current of 50 A and an operating voltage range of 340–460 V AC, the RM1E40AA50 is suitable for industrial heaters, temperature control systems, plastic processing equipment and other automation applications requiring proportional power control.
Key Advantages
- Industrial single-phase analogue solid state relay for accurate AC power regulation.
- 50 A rated operational current suitable for demanding industrial loads.
- 4–20 mA analogue control input for proportional output adjustment.
- 340–460 V AC operating voltage range for industrial power systems.
- Silent semiconductor switching with no mechanical contact wear.
- Built-in overvoltage protection for improved system reliability.
Key Features
- Carlo Gavazzi RM1E solid state relay series.
- 50 A rated operational current.
- Single-phase AC proportional switching.
- 4–20 mA analogue control input.
- 340–460 V AC operational voltage.
- Phase-angle control for smooth power regulation.
- Variable intensity 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 RM1E40AA50 regulate AC power by controlling the firing angle of the output waveform. This proportional control method allows smooth adjustment of load power, making the relay particularly suitable for industrial heating and process applications where accurate temperature management is essential.
The RM1E series is designed for automation engineers requiring dependable semiconductor switching, compact panel integration and accurate analogue control. Its robust construction supports modern industrial systems requiring efficient and reliable power regulation.
Typical Applications
- Industrial heating systems.
- Temperature controllers and thermal processing equipment.
- Plastic moulding and manufacturing machinery.
- Industrial automation control panels.
- Process control equipment.
- OEM machinery and production 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) | 50 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 | RM1E40AA50 | |
| Product type | Single-phase analogue solid state relay | |
| Switching method | Proportional phase-angle control | |
| Control input | 4–20 mA | |
| Rated operational current | 50 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 | |
| Mounting type | Panel mounting | |
| Terminals | Screw type with clamp | |
| Dimensions (H × W × D) | 58.2 × 44.8 × 28.8 mm | |
| Off-state leakage current | <3 mA | |
| Indication | LED status indication |
Frequently Asked Questions
What is the Carlo Gavazzi RM1E40AA50 used for?
The RM1E40AA50 is used for proportional control of single-phase AC loads including industrial heaters and process control equipment.
What control signal does the RM1E40AA50 require?
The relay uses a 4–20 mA analogue control input for phase-angle power regulation.
What current rating does this solid state relay support?
The RM1E40AA50 supports a rated operational current of 50 A when correctly installed with suitable thermal management.
What voltage range can the RM1E40AA50 control?
The relay operates with AC loads from 340–460 V AC.
Does the RM1E40AA50 require a heatsink?
Yes, suitable heatsinking is required when operating at higher load currents to 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.
