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RZ3A60A55 – SSR 3/P 42-660V 55A 24-275VAC
Carlo Gavazzi RZ3A60A55 solid state relay, a three-phase 55 A zero-cross switching relay designed for industrial automation and AC load control applications.
£193.89
Why Choose the Carlo Gavazzi RZ3A60A55 Solid State Relay?
The Carlo Gavazzi RZ3A60A55 is a high-performance three-phase solid state relay (SSR) designed for reliable switching of industrial AC loads including heating elements, motors and process control equipment. As part of the advanced Carlo Gavazzi RZ3A solid state relay series, it provides dependable semiconductor switching technology for demanding industrial automation and power management applications.
This panel-mounted SSR uses zero-cross switching technology to deliver silent, efficient and reliable AC load switching while reducing electrical interference. The RZ3A60A55 includes built-in overvoltage protection and robust semiconductor construction, making it suitable for continuous operation in demanding industrial environments.
With a rated current of 55 A AC, a 42–660 V AC operating voltage range and a flexible 24–275 V AC / 24–50 V DC control input, the RZ3A60A55 is ideal for three-phase industrial applications including heating systems, machinery and automated production equipment.
Key Advantages
- Advanced three-phase solid state relay designed for industrial switching applications.
- 55 A AC rated current for high-power load control.
- Zero-cross switching technology reduces electrical noise and switching stress.
- 42–660 V AC operating voltage range for flexible industrial integration.
- 24–275 V AC / 24–50 V DC control input compatible with automation controllers.
- Integrated overvoltage protection for improved system reliability.
Key Features
- Carlo Gavazzi RZ3A solid state relay series.
- Three-pole AC solid state switching.
- Zero-cross switching mode.
- 55 A AC-51 rated operational current.
- 15 A AC-53a rated operational current.
- 42–660 V AC operating voltage range.
- 24–275 V AC control voltage.
- 24–50 V DC control voltage.
- Built-in overvoltage protection.
- Screw terminals with captive clamp connections.
- Panel mounting design for industrial control cabinets.
Reliable Solid State Switching for Industrial Automation
Solid state relays such as the Carlo Gavazzi RZ3A60A55 use semiconductor technology to provide fast, silent and reliable switching of electrical loads. The zero-cross switching function helps minimise electrical interference while improving the operational life of connected equipment.
The RZ3A series is designed for machine builders, automation engineers and industrial equipment manufacturers requiring dependable three-phase load control. Its compact panel-mounted design, flexible control input and integrated protection features allow straightforward installation into modern industrial systems.
Typical Applications
- Industrial heating systems and electrical ovens.
- Plastic extrusion and processing machinery.
- Packaging and production equipment.
- Motor and process control applications.
- Industrial automation systems.
- OEM machinery and electrical control panels.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 55 A | |
| 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, 575 V AC, 600 V AC | |
| IP Rating | IP10 | |
| Manufacturer | Carlo Gavazzi | |
| Series | RZ3A Solid State Relays | |
| Model | RZ3A60A55 | |
| Product type | Three-phase solid state relay | |
| Switching mode | Zero cross switching | |
| Number of poles | 3 | |
| Rated operational current AC-51 | 55 A | |
| Rated operational current AC-53a | 15 A | |
| Operating voltage | 42–660 V AC | |
| Control voltage AC | 24–275 V AC | |
| Control voltage DC | 24–50 V DC | |
| Operating frequency | 45–65 Hz | |
| Mounting type | Panel mounting | |
| Connection type | Screw terminals with captive clamp | |
| Protection rating | IP10 | |
| Operating temperature | -30 to +80 °C | |
| Dimensions (H × W × D) | Approx. 41 × 73.5 × 103 mm | |
| Weight | Approx. 380 g |
Frequently Asked Questions
What is the Carlo Gavazzi RZ3A60A55 used for?
This solid state relay is used for switching three-phase AC loads in industrial automation, heating and process control applications.
What current rating does the RZ3A60A55 support?
The relay supports a rated operational current of 55 A AC for AC-51 applications.
What control voltage is required?
The RZ3A60A55 supports 24–275 V AC or 24–50 V DC control inputs.
What switching method does this relay use?
The relay uses zero-cross switching technology to provide reliable AC load switching with reduced electrical interference.
Where is this solid state relay installed?
The RZ3A60A55 is designed for panel mounting inside industrial control cabinets and automation systems.
Trusted by Industrial Automation Engineers Worldwide
Carlo Gavazzi RZ3A solid state relays are trusted by automation engineers and machine builders for reliable three-phase load switching, efficient operation and long service life in demanding industrial environments.
