RZ3A48A75P – RZ 75A 480V AC IP + OVER TEMP PROTECTION
Carlo Gavazzi RZ3A48A75P three-phase solid state relay with 480 V AC switching, 75 A output rating and integrated over-temperature protection for industrial automation systems.
SKU:RZ3A48A75PMPN:RZ3A48A75P
Price
List Price£307.95ex VAT
Your Price (ex VAT)
£307.95
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Why Choose the Carlo Gavazzi RZ3A48A75P Solid State Relay?
The Carlo Gavazzi RZ3A48A75P is a high-performance three-phase solid state relay (SSR) designed for reliable switching of industrial AC loads in automation systems, heating equipment and machine control applications. As part of the advanced Carlo Gavazzi RZ3A series, it provides zero-cross switching technology, high current capability and integrated over-temperature protection for demanding industrial environments.
This solid state relay uses semiconductor switching technology to provide fast, silent and wear-free operation compared with traditional electromechanical relays. The RZ3A series is designed for three-phase switching applications requiring dependable performance, efficient thermal management and long operational life.
With a 480 V AC rated operational voltage, a 75 A three-phase output rating and a 24–275 V AC / 24–50 V DC control input, the RZ3A48A75P is suitable for controlling high-power industrial loads including heaters, motors and automation equipment.
Key Advantages
Advanced three-phase zero-cross solid state relay for industrial switching.
75 A AC output current rating for high-power applications.
480 V AC operational voltage suitable for industrial power systems.
Integrated over-temperature protection and alarm output.
Silent semiconductor switching with no mechanical contact wear.
Fast response and reliable operation in demanding automation environments.
Key Features
Carlo Gavazzi RZ3A three-phase solid state relay series.
Zero voltage switching technology.
3-pole AC switching output.
75 A rated operational current.
24–275 V AC / 24–50 V DC control input.
Integrated over-temperature protection.
Alarm output for thermal fault indication.
LED indication for relay operation and protection status.
Panel-mount industrial housing.
Reliable Three-Phase Switching for Industrial Automation
Solid state relays such as the Carlo Gavazzi RZ3A48A75P provide reliable electronic switching for industrial loads where frequent operation, silent performance and long service life are required. Semiconductor switching eliminates mechanical wear, making the relay suitable for demanding automation environments.
The RZ3A series is designed for machine builders, electrical engineers and control panel manufacturers requiring dependable three-phase load switching with integrated protection features. Its thermal monitoring capability helps protect the relay and connected equipment during demanding operating conditions.
Typical Applications
Industrial heating systems.
Plastic processing machinery.
Ovens and thermal control equipment.
Motor switching applications.
Packaging and production machinery.
Automation control panels.
Technical Specifications
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Load Voltage
480 V AC
Switching Current (A)
75 A
Manufacturer
Carlo Gavazzi
Series
RZ3A Three-Phase Solid State Relays
Model
RZ3A48A75P
Product type
Three-phase solid state relay
Switching mode
Zero switching
Rated operational voltage
480 V AC
Operational voltage range
42–530 V AC
Control voltage
24–275 V AC / 24–50 V DC
Rated operational current
75 A AC
AC-53a motor switching rating
20 A AC
Minimum operational load current
400 mA
Poles
3-phase switching
Operational frequency
45–65 Hz
Blocking voltage
1200 Vp
Over-temperature protection
Integrated
Alarm output
Included
Response time pick-up
approx. 20 ms
Response time drop-out
approx. 30 ms
Protection rating
IP10
Dimensions (H × W × D)
approx. 103 × 73.5 × 41 mm
Weight
approx. 380 g
Operating temperature
-30°C to +80°C
Coil / Supply Voltage
110 V AC, 115 V AC, 120 V AC, 208 V AC, 220 V AC, 230 V AC, 24 V AC, 24 V DC, 240 V AC, 48 V AC, 48 V DC
IP Rating
IP10
Frequently Asked Questions
What is the Carlo Gavazzi RZ3A48A75P used for?
The RZ3A48A75P is a three-phase solid state relay used for switching high-power AC loads in industrial automation and control applications.
What voltage can the RZ3A48A75P switch?
The relay is designed for 480 V AC applications with an operational voltage range of approximately 42–530 V AC.
What is the output current rating of this solid state relay?
The RZ3A48A75P provides a 75 A AC operational current rating for three-phase industrial loads.
What control voltage does the relay require?
The relay accepts a 24–275 V AC or 24–50 V DC control input.
What protection features are included?
The RZ3A48A75P includes integrated over-temperature protection and alarm output to help protect the relay during thermal overload conditions.
Trusted by Industrial Automation Engineers Worldwide
Carlo Gavazzi RZ3A solid state relays are used by automation engineers and machine builders to deliver reliable three-phase switching, efficient control and long-lasting semiconductor-based performance.
Load Voltage
480 V AC
Switching Current (A)
75 A
Manufacturer
Carlo Gavazzi
Series
RZ3A Three-Phase Solid State Relays
Model
RZ3A48A75P
Product type
Three-phase solid state relay
Switching mode
Zero switching
Rated operational voltage
480 V AC
Operational voltage range
42–530 V AC
Control voltage
24–275 V AC / 24–50 V DC
Rated operational current
75 A AC
AC-53a motor switching rating
20 A AC
Minimum operational load current
400 mA
Poles
3-phase switching
Operational frequency
45–65 Hz
Blocking voltage
1200 Vp
Over-temperature protection
Integrated
Alarm output
Included
Response time pick-up
approx. 20 ms
Response time drop-out
approx. 30 ms
Protection rating
IP10
Dimensions (H × W × D)
approx. 103 × 73.5 × 41 mm
Weight
approx. 380 g
Operating temperature
-30°C to +80°C
Coil / Supply Voltage
110 V AC, 115 V AC, 120 V AC, 208 V AC, 220 V AC, 230 V AC, 24 V AC, 24 V DC, 240 V AC, 48 V AC, 48 V DC
IP Rating
IP10
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UK delivery
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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