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RM1A48D50 – SSR ZS 480V 50A 4.5-32 VDC LED
Carlo Gavazzi RM1A48D50 solid state relay with 50 A AC rating, zero-cross switching and 4–32 V DC control input for industrial AC load switching applications.
£46.24
Why Choose the Carlo Gavazzi RM1A48D50 Solid State Relay?
The Carlo Gavazzi RM1A48D50 is a reliable solid state relay (SSR) designed for switching single-phase AC loads in industrial automation, heating control and power management applications. As part of the proven Carlo Gavazzi RM1A solid state relay series, it provides fast, silent and maintenance-free electronic switching with zero-cross technology for dependable operation in demanding industrial environments.
This relay features zero-cross switching technology to reduce electrical interference and switching stress, together with built-in overvoltage protection for improved resistance against transient voltage conditions. The compact panel-mount design, screw terminal connections and IP20 protection make it suitable for integration into industrial control panels and automation equipment.
With a rated operating current of 50 A AC, an operating voltage range of 42–530 V AC and a 4–32 V DC control input, the RM1A48D50 is ideal for industrial heating systems, resistive loads and automation equipment requiring reliable electronic AC switching.
Key Advantages
- Compact single-pole solid state relay designed for industrial AC switching applications.
- 50 A AC rated current for reliable industrial load control.
- 42–530 V AC operating voltage range for flexible system integration.
- Zero-cross switching technology reduces electrical interference during operation.
- Built-in overvoltage protection improves operational reliability.
- Silent electronic switching with no mechanical contact wear.
Key Features
- Carlo Gavazzi RM1A solid state relay series.
- 50 A AC rated operating current.
- 42–530 V AC operating voltage.
- 4–32 V DC control voltage input.
- Zero-cross output switching.
- Single-phase panel mounting configuration.
- Built-in transient voltage protection.
- LED indication for control input status.
- Screw terminals with captive clamp power connection.
Reliable Solid State Switching for Industrial Applications
Solid state relays such as the Carlo Gavazzi RM1A48D50 provide dependable electronic switching without the mechanical wear associated with traditional electromechanical relays. This makes them suitable for applications requiring frequent switching cycles, high reliability and reduced maintenance requirements.
The RM1A series is designed for industrial automation engineers and control panel builders requiring compact and efficient switching solutions. Its zero-cross switching capability, robust construction and integrated protection features support reliable operation in modern electrical control systems.
Typical Applications
- Industrial heating and temperature control systems.
- Industrial ovens and thermal processing equipment.
- Machine automation and control panels.
- Power switching applications.
- Manufacturing and production machinery.
- OEM industrial automation systems.
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 | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | RM1A | |
| Model | RM1A48D50 | |
| Product type | Solid state relay | |
| Number of poles | 1 | |
| Number of phases | 1-phase | |
| Rated operating current AC-51 | 50 A | |
| Rated operating current AC-53a | 15 A | |
| Operating voltage | 42–530 V AC | |
| Control voltage | 4–32 V DC | |
| Switching mode | Zero cross | |
| Mounting type | Panel mounting | |
| Connection type | Screw terminals with captive clamp | |
| Protection rating | IP20 | |
| Dimensions (W × H × D) | approx. 44.8 × 28.8 × 58.2 mm |
Frequently Asked Questions
What is the Carlo Gavazzi RM1A48D50 used for?
The RM1A48D50 is a solid state relay designed for switching single-phase AC loads in industrial automation, heating and power control applications.
What current rating does this solid state relay support?
The relay supports a rated operating current of 50 A AC under AC-51 utilisation conditions.
What voltage range does the relay operate with?
The RM1A48D50 operates with AC loads from 42–530 V AC.
What control voltage is required?
The relay uses a 4–32 V DC control input for switching operation.
Does this relay use zero-cross switching?
Yes, the RM1A48D50 uses zero-cross switching to reduce electrical interference and switching stress.
Trusted by Industrial Automation Professionals Worldwide
Carlo Gavazzi RM1A series solid state relays are widely used by automation engineers and machine builders to provide reliable electronic switching, efficient operation and long service life in industrial control systems.
