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RZ3A69A75 – SSR 3 POLE ZS 42-760V 75A 24-275VAC
Carlo Gavazzi RZ3A69A75 three phase solid state relay with zero-cross switching, 75 A AC-51 rating and flexible AC/DC control input for industrial high-voltage AC power switching applications.
£267.72
Why Choose the Carlo Gavazzi RZ3A69A75 Solid State Relay?
The Carlo Gavazzi RZ3A69A75 is a powerful and reliable three-phase solid state relay (SSR) designed for high-performance electronic switching of AC loads in industrial automation, heating systems and power control applications. As part of the advanced Carlo Gavazzi RZ3A series solid state relay range, it provides zero-cross switching, long operational life and dependable semiconductor-based control for demanding industrial environments.
This panel-mounted solid state relay uses semiconductor switching technology to provide fast, silent and wear-free operation compared with conventional electromechanical relays. The RZ3A69A75 features a 24–275 V AC / 24–50 V DC control input, a 42–750 V AC load voltage range and a 75 A AC-51 rated current for reliable three-phase power switching applications.
With three poles, zero-cross switching technology and built-in overvoltage protection, the Carlo Gavazzi RZ3A69A75 is ideal for industrial applications requiring efficient, reliable and maintenance-free AC load control at higher voltage levels.
Key Advantages
- High-performance three-phase solid state relay for industrial switching applications.
- 75 A AC-51 rated current suitable for demanding AC power control.
- 42–750 V AC operating voltage range for high-voltage industrial systems.
- 24–275 V AC / 24–50 V DC control input for flexible automation integration.
- Zero-cross switching reduces electrical stress and improves switching reliability.
- Silent semiconductor switching with no mechanical contact wear.
Key Features
- Carlo Gavazzi RZ3A series solid state relay.
- Three-pole panel mount SSR design.
- 75 A AC-51 rated output current.
- 20 A AC-53a rated current.
- 42–750 V AC load voltage range.
- 24–275 V AC / 24–50 V DC control voltage.
- Zero-cross switching technology.
- Built-in overvoltage protection.
- Screw terminals with captive clamp connection.
Reliable AC Power Control for Industrial Automation
Solid state relays such as the Carlo Gavazzi RZ3A69A75 provide electronic switching of electrical loads without mechanical contacts. This enables faster switching cycles, reduced maintenance requirements and improved reliability in automated industrial processes.
The RZ3A series is designed for engineers requiring dependable semiconductor switching solutions for three-phase AC applications. Its zero-cross switching technology, robust construction and high current capability make it suitable for industrial heating, machinery and automation equipment.
Typical Applications
- Industrial heating control systems.
- Three-phase AC load switching.
- Machine automation equipment.
- Industrial ovens and temperature control systems.
- Process control applications.
- OEM electrical control panels.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 75 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, 690 V AC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RZ3A | |
| Model | RZ3A69A75 | |
| Product type | Three-phase solid state relay | |
| Mounting type | Panel mounting | |
| Number of poles | 3 | |
| Switching mode | Zero cross | |
| Operating voltage | 42–750 V AC | |
| Rated current AC-51 | 75 A | |
| Rated current AC-53a | 20 A | |
| Control voltage AC | 24–275 V AC | |
| Control voltage DC | 24–50 V DC | |
| Power connection | Screw terminal with captive clamp | |
| Blocking voltage | 1600 Vp | |
| Protection | Integrated overvoltage protection | |
| Operating temperature | -30 °C to +80 °C |
Frequently Asked Questions
What is the Carlo Gavazzi RZ3A69A75 used for?
The Carlo Gavazzi RZ3A69A75 is a three-phase solid state relay used for reliable electronic switching of high-current AC loads in industrial automation and control systems.
What voltage can this solid state relay switch?
The RZ3A69A75 operates with AC loads from 42 V to 750 V AC.
What control voltage does the relay require?
The relay accepts a 24–275 V AC or 24–50 V DC control input.
How much current can the relay handle?
The relay is rated for 75 A AC-51 and 20 A AC-53a three-phase switching applications.
What switching technology does this SSR use?
The RZ3A69A75 uses zero-cross switching to reduce electrical stress and improve switching reliability.
Trusted by Industrial Automation Engineers
Carlo Gavazzi RZ3A solid state relays are widely used in industrial automation applications where reliable, silent and long-life AC power switching is required.
