CARLO GAVAZZI RZ3A40A75 3-POLE PANEL MOUNT SSR ZERO-CRO
Introducing the RZ3A series from CARLO GAVAZZI, a high-performance 3-phase, 3-pole solid state relay designed for industrial applications. Suitable for controlling loads such as heating elements, motors, and transformers, this relay offers reliable switching with zero-cross technology to minimize electrical noise and stress on connected devices.
3-pole switching AC solid state relay with zero-cross switching technology
Rated operational voltage: up to 690 VAC with load currents up to 75 AAC, depending on heatsink size
Control voltage options: 4-32 VDC or 24-275 VAC / 24-50 VDC
Integrated overvoltage protection via varistor
Optional over-temperature protection with alarm output and LED indication
Control ON indicator LED for status monitoring
High blocking voltage and UL-certified motor ratings
Technical Specifications
Parameter
Details
Rated operational current
3 x 25 AAC, 55 AAC, or 75 AAC
Voltage ratings
400 VAC, 480 VAC, 600 VAC, or 690 VAC
Control voltage
4-32 VDC or 24-275 VAC / 24-50 VDC
Maximum load voltage
Up to 690 VAC
Output protection
Integrated varistor (not available on 690 VAC version)
Over-temperature protection
Available as an option with alarm output (suffix "P")
Control indicators
Green LED for control status, Red LED for over-temperature alarm (optional)
Isolation voltage
Input to output: 4000 VACrms; Output to case: 4000 VACrms
Material
Noryl (black), polyurethane potting
Weight
Approx. 380 g
Protection class
IP10, overvoltage category III, 6 kV impulse withstand
Application & Usage
The RZ3A relay is ideal for controlling industrial machinery such as plastic extrusion, thermoforming, blow moulding, electrical ovens, vending machines, climatic chambers, and air handling units. Its robust design ensures reliable operation in demanding environments.
Additional Information
Compatible with heatsinks and fans for optimal thermal management (Heatsink Selector Tool)
Dimensions and detailed structure are available in the datasheet
For more detailed specifications and options, please refer to the datasheet. Datasheet was not processed, please search the internet for the part number for more details.
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{"id":10027115839805,"title":"RZ3A40A75","handle":"rz3a40a75","description":"\u003ch3\u003eCARLO GAVAZZI RZ3A40A75 3-POLE PANEL MOUNT SSR ZERO-CRO\u003c\/h3\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eRZ3A\u003c\/strong\u003e series from \u003cstrong\u003eCARLO GAVAZZI\u003c\/strong\u003e, a high-performance 3-phase, 3-pole solid state relay designed for industrial applications. Suitable for controlling loads such as heating elements, motors, and transformers, this relay offers reliable switching with zero-cross technology to minimize electrical noise and stress on connected devices.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RZ3A40A75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CARLO GAVAZZI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/RZ3A.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole switching AC solid state relay with zero-cross switching technology\u003c\/li\u003e\n\u003cli\u003eRated operational voltage: up to 690 VAC with load currents up to 75 AAC, depending on heatsink size\u003c\/li\u003e\n\u003cli\u003eControl voltage options: 4-32 VDC or 24-275 VAC \/ 24-50 VDC\u003c\/li\u003e\n\u003cli\u003eIntegrated overvoltage protection via varistor\u003c\/li\u003e\n\u003cli\u003eOptional over-temperature protection with alarm output and LED indication\u003c\/li\u003e\n\u003cli\u003eControl ON indicator LED for status monitoring\u003c\/li\u003e\n\u003cli\u003eHigh blocking voltage and UL-certified motor ratings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated operational current\u003c\/td\u003e\n\u003ctd\u003e3 x 25 AAC, 55 AAC, or 75 AAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage ratings\u003c\/td\u003e\n\u003ctd\u003e400 VAC, 480 VAC, 600 VAC, or 690 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl voltage\u003c\/td\u003e\n\u003ctd\u003e4-32 VDC or 24-275 VAC \/ 24-50 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load voltage\u003c\/td\u003e\n\u003ctd\u003eUp to 690 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated varistor (not available on 690 VAC version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver-temperature protection\u003c\/td\u003e\n\u003ctd\u003eAvailable as an option with alarm output (suffix \"P\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl indicators\u003c\/td\u003e\n\u003ctd\u003eGreen LED for control status, Red LED for over-temperature alarm (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation voltage\u003c\/td\u003e\n\u003ctd\u003eInput to output: 4000 VACrms; Output to case: 4000 VACrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNoryl (black), polyurethane potting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 380 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection class\u003c\/td\u003e\n\u003ctd\u003eIP10, overvoltage category III, 6 kV impulse withstand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication \u0026amp; Usage\u003c\/h3\u003e\n\u003cp\u003eThe RZ3A relay is ideal for controlling industrial machinery such as plastic extrusion, thermoforming, blow moulding, electrical ovens, vending machines, climatic chambers, and air handling units. Its robust design ensures reliable operation in demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with heatsinks and fans for optimal thermal management (\u003ca href=\"https:\/\/www.gavazziautomation.com\/en-global\/products\/solid-state-relays\/heatsink-selector-tool\" target=\"_blank\"\u003eHeatsink Selector Tool\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eDimensions and detailed structure are available in the datasheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and options, please refer to the \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/RZ3A.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T20:13:39+05:30","created_at":"2025-08-15T20:13:39+05:30","vendor":"Waldom Electonics","type":"Relays","tags":["CARLO","IMPORT_CSV","IMPORT_PT2","Industrial","POLE","Relays","Solid","WLDM"],"price":3114001,"price_min":3114001,"price_max":3114001,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50623743263037,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RZ3A40A75","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RZ3A40A75","public_title":null,"options":["Default Title"],"price":3114001,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"RZ3A40A75","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11061340.png?v=1755269021"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11061340.png?v=1755269021","options":["Title"],"media":[{"alt":null,"id":45855615222077,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11061340.png?v=1755269021"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11061340.png?v=1755269021","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eCARLO GAVAZZI RZ3A40A75 3-POLE PANEL MOUNT SSR ZERO-CRO\u003c\/h3\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eRZ3A\u003c\/strong\u003e series from \u003cstrong\u003eCARLO GAVAZZI\u003c\/strong\u003e, a high-performance 3-phase, 3-pole solid state relay designed for industrial applications. Suitable for controlling loads such as heating elements, motors, and transformers, this relay offers reliable switching with zero-cross technology to minimize electrical noise and stress on connected devices.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RZ3A40A75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CARLO GAVAZZI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/RZ3A.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole switching AC solid state relay with zero-cross switching technology\u003c\/li\u003e\n\u003cli\u003eRated operational voltage: up to 690 VAC with load currents up to 75 AAC, depending on heatsink size\u003c\/li\u003e\n\u003cli\u003eControl voltage options: 4-32 VDC or 24-275 VAC \/ 24-50 VDC\u003c\/li\u003e\n\u003cli\u003eIntegrated overvoltage protection via varistor\u003c\/li\u003e\n\u003cli\u003eOptional over-temperature protection with alarm output and LED indication\u003c\/li\u003e\n\u003cli\u003eControl ON indicator LED for status monitoring\u003c\/li\u003e\n\u003cli\u003eHigh blocking voltage and UL-certified motor ratings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated operational current\u003c\/td\u003e\n\u003ctd\u003e3 x 25 AAC, 55 AAC, or 75 AAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage ratings\u003c\/td\u003e\n\u003ctd\u003e400 VAC, 480 VAC, 600 VAC, or 690 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl voltage\u003c\/td\u003e\n\u003ctd\u003e4-32 VDC or 24-275 VAC \/ 24-50 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load voltage\u003c\/td\u003e\n\u003ctd\u003eUp to 690 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated varistor (not available on 690 VAC version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver-temperature protection\u003c\/td\u003e\n\u003ctd\u003eAvailable as an option with alarm output (suffix \"P\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl indicators\u003c\/td\u003e\n\u003ctd\u003eGreen LED for control status, Red LED for over-temperature alarm (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation voltage\u003c\/td\u003e\n\u003ctd\u003eInput to output: 4000 VACrms; Output to case: 4000 VACrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNoryl (black), polyurethane potting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 380 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection class\u003c\/td\u003e\n\u003ctd\u003eIP10, overvoltage category III, 6 kV impulse withstand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication \u0026amp; Usage\u003c\/h3\u003e\n\u003cp\u003eThe RZ3A relay is ideal for controlling industrial machinery such as plastic extrusion, thermoforming, blow moulding, electrical ovens, vending machines, climatic chambers, and air handling units. Its robust design ensures reliable operation in demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with heatsinks and fans for optimal thermal management (\u003ca href=\"https:\/\/www.gavazziautomation.com\/en-global\/products\/solid-state-relays\/heatsink-selector-tool\" target=\"_blank\"\u003eHeatsink Selector Tool\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eDimensions and detailed structure are available in the datasheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and options, please refer to the \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/RZ3A.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
Unfortunately I havent tested the 5G, Only difficult part was connecting antennas. But everything is good, by default it runs on Qualcom's QMI mode, Had to switch to MBIM and it works good with Windows. Planning to run with OpenWRT soon.
