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RM1A48A75 – SSR ZS 480V 75A 24-265 VAC LED
Carlo Gavazzi RM1A48A75 solid state relay with 75 A AC rating, zero-cross switching and flexible AC/DC control input for industrial switching applications.
£79.94
Why Choose the Carlo Gavazzi RM1A48A75 Solid State Relay?
The Carlo Gavazzi RM1A48A75 is a robust and 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 trusted Carlo Gavazzi RM1A solid state relay series, it provides fast, silent and maintenance-free electronic switching with zero-cross technology for improved system reliability.
This relay features zero-cross switching to minimise electrical interference during operation, along with built-in overvoltage protection to improve resistance against transient voltage spikes. The compact panel-mount design and screw terminal connections allow straightforward integration into industrial control panels and automation systems.
With a rated current of 75 A AC, an operating voltage range of 42–530 V AC and flexible 20–280 V AC / 22–48 V DC control input, the RM1A48A75 is suitable for high-power resistive loads, heating systems and industrial equipment requiring reliable AC switching.
Key Advantages
- Reliable single-pole solid state relay designed for industrial AC switching applications.
- 75 A AC rated current for demanding industrial loads.
- 42–530 V AC operating voltage range for flexible system integration.
- Zero-cross switching technology reduces electrical noise and switching stress.
- Built-in overvoltage protection improves operational reliability.
- Silent electronic switching with no mechanical contact wear.
Key Features
- Carlo Gavazzi RM1A solid state relay series.
- 75 A AC rated operating current.
- 42–530 V AC load voltage range.
- 20–280 V AC control voltage input.
- 22–48 V DC control voltage input.
- Zero-cross output switching.
- Single-pole panel mounting design.
- Built-in overvoltage protection.
- Screw terminals with captive clamp power connection.
Reliable Solid State Switching for Industrial Applications
Solid state relays such as the Carlo Gavazzi RM1A48A75 provide dependable electronic switching without the mechanical wear associated with traditional electromechanical relays. This makes them ideal 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 | 110 V AC, 115 V AC, 120 V AC, 208 V AC, 220 V AC, 230 V AC, 240 V AC, 380 V AC, 400 V AC, 415 V AC, 440 V AC, 48 V AC, 480 V AC, 500 V AC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RM1A | |
| Model | RM1A48A75 | |
| Product type | Solid state relay | |
| Number of poles | 1 | |
| Rated operating current AC-51 | 75 A | |
| Rated operating current AC-53a | 20 A | |
| Operating voltage | 42–530 V AC | |
| Control voltage AC | 20–280 V AC | |
| Control voltage DC | 22–48 V DC | |
| Switching mode | Zero cross | |
| Mounting type | Panel mounting | |
| Connection type | Screw terminals with captive clamp |
Frequently Asked Questions
What is the Carlo Gavazzi RM1A48A75 used for?
The RM1A48A75 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 75 A AC under AC-51 utilisation conditions.
What voltage range does the relay operate with?
The RM1A48A75 operates with AC loads from 42–530 V AC.
What control voltage is required?
The relay supports 20–280 V AC and 22–48 V DC control inputs.
Does this relay use zero-cross switching?
Yes, the RM1A48A75 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.
