CARLO GAVAZZI RZ3A40D75 SSR RELAY 3PST-NO 75A 24-440V
Introducing the RZ3A series from CARLO GAVAZZI, a high-performance 3-phase solid state relay designed for industrial load switching applications. This relay is suitable for controlling heating elements, motors, transformers, and more, offering reliable and efficient operation in demanding environments.
Over-temperature protection with optional alarm output
Control ON indicator via green LED
Over-temperature alarm indicator via red LED (optional)
UL certified motor ratings for reliable industrial use
Key Specifications:
Rated Operational Current
3 x 25 AAC / 55 AAC / 75 AAC
Voltage Ratings
400 VAC, 480 VAC, 600 VAC, 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
Physical and Structural Features:
Material: Noryl (black)
Potting Compound: Polyurethane
Weight: Approx. 380 g
Protection Class: IP10
Overvoltage Category: III, 6 kV impulse withstand
Isolation Voltage: Input to output and output to case: 4000 VACrms
Base Plate: Aluminum (55A), Copper (75A), nickel-plated
Application Areas:
Plastic extrusion machines
Thermoforming and blow moulding machines
Electrical ovens and vending machines
Reflow ovens, dryers, climatic chambers
Air handling units and sealing machines
Additional Features:
LED indicators for control and alarm status
Over-temperature protection with optional alarm output (suffix “P”)
Compatible with heatsinks and thermal pads for optimal performance
For more detailed specifications and installation guidelines, please refer to the datasheet. Please note that this product's specifications are based on a surrounding temperature of 25°C. Always consult the datasheet for detailed operational parameters and safety information.
Note: The datasheet was not processed; please search the internet for the part number RZ3A40D75 for more details.
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.
{"id":10027115905341,"title":"RZ3A40D75","handle":"rz3a40d75","description":"\u003ch3\u003eCARLO GAVAZZI RZ3A40D75 SSR RELAY 3PST-NO 75A 24-440V\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 solid state relay designed for industrial load switching applications. This relay is suitable for controlling heating elements, motors, transformers, and more, offering reliable and efficient operation in demanding environments.\u003c\/p\u003e\n\u003cp\u003eProduct Details:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RZ3A40D75\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 (COO):\u003c\/strong\u003e MT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\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\u003cp\u003eThis solid state relay features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero cross switching for smooth operation\u003c\/li\u003e\n\u003cli\u003eLoad ratings up to 690 VAC and 75 AAC\u003c\/li\u003e\n\u003cli\u003eIntegrated overvoltage protection via varistor\u003c\/li\u003e\n\u003cli\u003eControl voltage options: 4-32 VDC or 24-275 VAC\u003c\/li\u003e\n\u003cli\u003eOver-temperature protection with optional alarm output\u003c\/li\u003e\n\u003cli\u003eControl ON indicator via green LED\u003c\/li\u003e\n\u003cli\u003eOver-temperature alarm indicator via red LED (optional)\u003c\/li\u003e\n\u003cli\u003eUL certified motor ratings for reliable industrial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specifications:\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Operational Current\u003c\/th\u003e\n\u003cth\u003e3 x 25 AAC \/ 55 AAC \/ 75 AAC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage Ratings\u003c\/th\u003e\n\u003cth\u003e400 VAC, 480 VAC, 600 VAC, 690 VAC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl Voltage\u003c\/th\u003e\n\u003cth\u003e4-32 VDC or 24-275 VAC \/ 24-50 VDC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Load Voltage\u003c\/th\u003e\n\u003cth\u003eUp to 690 VAC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Protection\u003c\/th\u003e\n\u003cth\u003eIntegrated varistor\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical and Structural Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Noryl (black)\u003c\/li\u003e\n\u003cli\u003ePotting Compound: Polyurethane\u003c\/li\u003e\n\u003cli\u003eWeight: Approx. 380 g\u003c\/li\u003e\n\u003cli\u003eProtection Class: IP10\u003c\/li\u003e\n\u003cli\u003eOvervoltage Category: III, 6 kV impulse withstand\u003c\/li\u003e\n\u003cli\u003eIsolation Voltage: Input to output and output to case: 4000 VACrms\u003c\/li\u003e\n\u003cli\u003eBase Plate: Aluminum (55A), Copper (75A), nickel-plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Areas:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlastic extrusion machines\u003c\/li\u003e\n\u003cli\u003eThermoforming and blow moulding machines\u003c\/li\u003e\n\u003cli\u003eElectrical ovens and vending machines\u003c\/li\u003e\n\u003cli\u003eReflow ovens, dryers, climatic chambers\u003c\/li\u003e\n\u003cli\u003eAir handling units and sealing machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLED indicators for control and alarm status\u003c\/li\u003e\n\u003cli\u003eOver-temperature protection with optional alarm output (suffix “P”)\u003c\/li\u003e\n\u003cli\u003eCompatible with heatsinks and thermal pads for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and installation guidelines, please refer to the \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/RZ3A.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please note that this product's specifications are based on a surrounding temperature of 25°C. Always consult the datasheet for detailed operational parameters and safety information.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number RZ3A40D75 for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T20:13:42+05:30","created_at":"2025-08-15T20:13:43+05:30","vendor":"Waldom Electonics","type":"","tags":["440V","75A","CARLO","IMPORT_CSV","IMPORT_PT2","Relay","SSR","WLDM"],"price":3011721,"price_min":3011721,"price_max":3011721,"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":50623743328573,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RZ3A40D75","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RZ3A40D75","public_title":null,"options":["Default Title"],"price":3011721,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"RZ3A40D75","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11061348.png?v=1755269025"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11061348.png?v=1755269025","options":["Title"],"media":[{"alt":null,"id":45855616074045,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11061348.png?v=1755269025"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11061348.png?v=1755269025","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eCARLO GAVAZZI RZ3A40D75 SSR RELAY 3PST-NO 75A 24-440V\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 solid state relay designed for industrial load switching applications. This relay is suitable for controlling heating elements, motors, transformers, and more, offering reliable and efficient operation in demanding environments.\u003c\/p\u003e\n\u003cp\u003eProduct Details:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RZ3A40D75\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 (COO):\u003c\/strong\u003e MT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\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\u003cp\u003eThis solid state relay features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero cross switching for smooth operation\u003c\/li\u003e\n\u003cli\u003eLoad ratings up to 690 VAC and 75 AAC\u003c\/li\u003e\n\u003cli\u003eIntegrated overvoltage protection via varistor\u003c\/li\u003e\n\u003cli\u003eControl voltage options: 4-32 VDC or 24-275 VAC\u003c\/li\u003e\n\u003cli\u003eOver-temperature protection with optional alarm output\u003c\/li\u003e\n\u003cli\u003eControl ON indicator via green LED\u003c\/li\u003e\n\u003cli\u003eOver-temperature alarm indicator via red LED (optional)\u003c\/li\u003e\n\u003cli\u003eUL certified motor ratings for reliable industrial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specifications:\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Operational Current\u003c\/th\u003e\n\u003cth\u003e3 x 25 AAC \/ 55 AAC \/ 75 AAC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage Ratings\u003c\/th\u003e\n\u003cth\u003e400 VAC, 480 VAC, 600 VAC, 690 VAC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl Voltage\u003c\/th\u003e\n\u003cth\u003e4-32 VDC or 24-275 VAC \/ 24-50 VDC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Load Voltage\u003c\/th\u003e\n\u003cth\u003eUp to 690 VAC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Protection\u003c\/th\u003e\n\u003cth\u003eIntegrated varistor\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical and Structural Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Noryl (black)\u003c\/li\u003e\n\u003cli\u003ePotting Compound: Polyurethane\u003c\/li\u003e\n\u003cli\u003eWeight: Approx. 380 g\u003c\/li\u003e\n\u003cli\u003eProtection Class: IP10\u003c\/li\u003e\n\u003cli\u003eOvervoltage Category: III, 6 kV impulse withstand\u003c\/li\u003e\n\u003cli\u003eIsolation Voltage: Input to output and output to case: 4000 VACrms\u003c\/li\u003e\n\u003cli\u003eBase Plate: Aluminum (55A), Copper (75A), nickel-plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Areas:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlastic extrusion machines\u003c\/li\u003e\n\u003cli\u003eThermoforming and blow moulding machines\u003c\/li\u003e\n\u003cli\u003eElectrical ovens and vending machines\u003c\/li\u003e\n\u003cli\u003eReflow ovens, dryers, climatic chambers\u003c\/li\u003e\n\u003cli\u003eAir handling units and sealing machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLED indicators for control and alarm status\u003c\/li\u003e\n\u003cli\u003eOver-temperature protection with optional alarm output (suffix “P”)\u003c\/li\u003e\n\u003cli\u003eCompatible with heatsinks and thermal pads for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and installation guidelines, please refer to the \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/RZ3A.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please note that this product's specifications are based on a surrounding temperature of 25°C. Always consult the datasheet for detailed operational parameters and safety information.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number RZ3A40D75 for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}