CARLO GAVAZZI RM1A40A25 Solid State Relay SPST-NO 25A 24-265V
Enhance your industrial automation systems with the CARLO GAVAZZI RM1A40A25 Solid State Relay, designed for reliable switching of resistive, inductive, and capacitive loads. This industrial-grade, 1-phase SSR features advanced technology including direct copper bonding (DCB) and built-in varistor for transient protection, ensuring durability and consistent performance in demanding environments.
Industrial, 1-phase solid state relay with antiparallel thyristor output
Zero switching (RM1A) or instant-on switching (RM1B) AC relay options
Direct copper bonding (DCB) technology for improved reliability
LED indicator for control status
Built-in varistor for transient suppression
IP20 protection with clip-on cover for touch safety
Self-lifting terminals for easy wiring
Housing free of moulding mass for better heat dissipation
Control voltage options: 3-32 VDC and 20-280 VAC/22-48 VDC
Operational ratings up to 100A AC and 600V AC
Blocking voltage up to 1400V
Opto-isolation voltage > 4000VACrms
Technical Specifications
Switching Mode
Rated Operational Voltage
Control Voltage
Rated Operational Current
Zero Switching (ZC)
230VACrms, 400VACrms, 480VACrms, 600VACrms
20-280VAC / 22-48VDC
25A, 50A, 75A, 100A (depending on model)
Instant-on switching (IO)
230VACrms, 400VACrms, 480VACrms, 600VACrms
4-32 VDC
25A, 50A, 75A, 100A (depending on model)
Selection Guide
Rated Operational Voltage
Blocking Voltage
Control Voltage
Rated Operational Current
Part Number
230VACrms
650Vp
3-32VDC
25A
RM1A23D25
400VACrms
800Vp
4-32VDC
50A
RM1A40D50
480VACrms
1200Vp
4-32VDC
75A
RM1A48D75
600VACrms
1400Vp
4-32VDC
100A
RM1A60D100
Additional Details
UL endurance testing: 6,000 cycles
Mounting screws: M5 with torque 1.5-2.0Nm
Connection terminals: M5 screw with captivated washer (L1, T1), M3 screw for control (A1, A2)
Stripping length: 12 mm (power), 8 mm (control)
Housing dimensions and connection diagrams available in datasheet
For more detailed specifications and application guidelines, please refer to the full datasheet. Note: Datasheet was not processed, please search the internet for the part number for more details.
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{"id":10026335207741,"title":"RM1A40A25","handle":"rm1a40a25","description":"\u003ch3\u003eCARLO GAVAZZI RM1A40A25 Solid State Relay SPST-NO 25A 24-265V\u003c\/h3\u003e\n\u003cp\u003eEnhance your industrial automation systems with the CARLO GAVAZZI RM1A40A25 Solid State Relay, designed for reliable switching of resistive, inductive, and capacitive loads. This industrial-grade, 1-phase SSR features advanced technology including direct copper bonding (DCB) and built-in varistor for transient protection, ensuring durability and consistent performance in demanding environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RM1A40A25\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 CN\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\/RM1A.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial, 1-phase solid state relay with antiparallel thyristor output\u003c\/li\u003e\n\u003cli\u003eZero switching (RM1A) or instant-on switching (RM1B) AC relay options\u003c\/li\u003e\n\u003cli\u003eDirect copper bonding (DCB) technology for improved reliability\u003c\/li\u003e\n\u003cli\u003eLED indicator for control status\u003c\/li\u003e\n\u003cli\u003eBuilt-in varistor for transient suppression\u003c\/li\u003e\n\u003cli\u003eIP20 protection with clip-on cover for touch safety\u003c\/li\u003e\n\u003cli\u003eSelf-lifting terminals for easy wiring\u003c\/li\u003e\n\u003cli\u003eHousing free of moulding mass for better heat dissipation\u003c\/li\u003e\n\u003cli\u003eControl voltage options: 3-32 VDC and 20-280 VAC\/22-48 VDC\u003c\/li\u003e\n\u003cli\u003eOperational ratings up to 100A AC and 600V AC\u003c\/li\u003e\n\u003cli\u003eBlocking voltage up to 1400V\u003c\/li\u003e\n\u003cli\u003eOpto-isolation voltage \u0026gt; 4000VACrms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching Mode\u003c\/th\u003e\n\u003cth\u003eRated Operational Voltage\u003c\/th\u003e\n\u003cth\u003eControl Voltage\u003c\/th\u003e\n\u003cth\u003eRated Operational Current\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Switching (ZC)\u003c\/td\u003e\n\u003ctd\u003e230VACrms, 400VACrms, 480VACrms, 600VACrms\u003c\/td\u003e\n\u003ctd\u003e20-280VAC \/ 22-48VDC\u003c\/td\u003e\n\u003ctd\u003e25A, 50A, 75A, 100A (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstant-on switching (IO)\u003c\/td\u003e\n\u003ctd\u003e230VACrms, 400VACrms, 480VACrms, 600VACrms\u003c\/td\u003e\n\u003ctd\u003e4-32 VDC\u003c\/td\u003e\n\u003ctd\u003e25A, 50A, 75A, 100A (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSelection Guide\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Operational Voltage\u003c\/th\u003e\n\u003cth\u003eBlocking Voltage\u003c\/th\u003e\n\u003cth\u003eControl Voltage\u003c\/th\u003e\n\u003cth\u003eRated Operational Current\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e230VACrms\u003c\/td\u003e\n\u003ctd\u003e650Vp\u003c\/td\u003e\n\u003ctd\u003e3-32VDC\u003c\/td\u003e\n\u003ctd\u003e25A\u003c\/td\u003e\n\u003ctd\u003eRM1A23D25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400VACrms\u003c\/td\u003e\n\u003ctd\u003e800Vp\u003c\/td\u003e\n\u003ctd\u003e4-32VDC\u003c\/td\u003e\n\u003ctd\u003e50A\u003c\/td\u003e\n\u003ctd\u003eRM1A40D50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e480VACrms\u003c\/td\u003e\n\u003ctd\u003e1200Vp\u003c\/td\u003e\n\u003ctd\u003e4-32VDC\u003c\/td\u003e\n\u003ctd\u003e75A\u003c\/td\u003e\n\u003ctd\u003eRM1A48D75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e600VACrms\u003c\/td\u003e\n\u003ctd\u003e1400Vp\u003c\/td\u003e\n\u003ctd\u003e4-32VDC\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003ctd\u003eRM1A60D100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL endurance testing: 6,000 cycles\u003c\/li\u003e\n\u003cli\u003eMounting screws: M5 with torque 1.5-2.0Nm\u003c\/li\u003e\n\u003cli\u003eConnection terminals: M5 screw with captivated washer (L1, T1), M3 screw for control (A1, A2)\u003c\/li\u003e\n\u003cli\u003eStripping length: 12 mm (power), 8 mm (control)\u003c\/li\u003e\n\u003cli\u003eHousing dimensions and connection diagrams available in datasheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/RM1A.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e. Note: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-15T06:16:24+05:30","created_at":"2025-08-15T06:16:25+05:30","vendor":"Waldom Electonics","type":"Relays","tags":["25A","265V","CARLO","IMPORT_CSV","IMPORT_PT2","Industrial","Relay","Solid","SSR","WLDM"],"price":793434,"price_min":793434,"price_max":793434,"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":50622076944701,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RM1A40A25","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RM1A40A25","public_title":null,"options":["Default Title"],"price":793434,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"RM1A40A25","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11060571.png?v=1755218785"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11060571.png?v=1755218785","options":["Title"],"media":[{"alt":null,"id":45846939402557,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11060571.png?v=1755218785"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11060571.png?v=1755218785","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eCARLO GAVAZZI RM1A40A25 Solid State Relay SPST-NO 25A 24-265V\u003c\/h3\u003e\n\u003cp\u003eEnhance your industrial automation systems with the CARLO GAVAZZI RM1A40A25 Solid State Relay, designed for reliable switching of resistive, inductive, and capacitive loads. This industrial-grade, 1-phase SSR features advanced technology including direct copper bonding (DCB) and built-in varistor for transient protection, ensuring durability and consistent performance in demanding environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RM1A40A25\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 CN\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\/RM1A.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial, 1-phase solid state relay with antiparallel thyristor output\u003c\/li\u003e\n\u003cli\u003eZero switching (RM1A) or instant-on switching (RM1B) AC relay options\u003c\/li\u003e\n\u003cli\u003eDirect copper bonding (DCB) technology for improved reliability\u003c\/li\u003e\n\u003cli\u003eLED indicator for control status\u003c\/li\u003e\n\u003cli\u003eBuilt-in varistor for transient suppression\u003c\/li\u003e\n\u003cli\u003eIP20 protection with clip-on cover for touch safety\u003c\/li\u003e\n\u003cli\u003eSelf-lifting terminals for easy wiring\u003c\/li\u003e\n\u003cli\u003eHousing free of moulding mass for better heat dissipation\u003c\/li\u003e\n\u003cli\u003eControl voltage options: 3-32 VDC and 20-280 VAC\/22-48 VDC\u003c\/li\u003e\n\u003cli\u003eOperational ratings up to 100A AC and 600V AC\u003c\/li\u003e\n\u003cli\u003eBlocking voltage up to 1400V\u003c\/li\u003e\n\u003cli\u003eOpto-isolation voltage \u0026gt; 4000VACrms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching Mode\u003c\/th\u003e\n\u003cth\u003eRated Operational Voltage\u003c\/th\u003e\n\u003cth\u003eControl Voltage\u003c\/th\u003e\n\u003cth\u003eRated Operational Current\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Switching (ZC)\u003c\/td\u003e\n\u003ctd\u003e230VACrms, 400VACrms, 480VACrms, 600VACrms\u003c\/td\u003e\n\u003ctd\u003e20-280VAC \/ 22-48VDC\u003c\/td\u003e\n\u003ctd\u003e25A, 50A, 75A, 100A (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstant-on switching (IO)\u003c\/td\u003e\n\u003ctd\u003e230VACrms, 400VACrms, 480VACrms, 600VACrms\u003c\/td\u003e\n\u003ctd\u003e4-32 VDC\u003c\/td\u003e\n\u003ctd\u003e25A, 50A, 75A, 100A (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSelection Guide\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Operational Voltage\u003c\/th\u003e\n\u003cth\u003eBlocking Voltage\u003c\/th\u003e\n\u003cth\u003eControl Voltage\u003c\/th\u003e\n\u003cth\u003eRated Operational Current\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e230VACrms\u003c\/td\u003e\n\u003ctd\u003e650Vp\u003c\/td\u003e\n\u003ctd\u003e3-32VDC\u003c\/td\u003e\n\u003ctd\u003e25A\u003c\/td\u003e\n\u003ctd\u003eRM1A23D25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400VACrms\u003c\/td\u003e\n\u003ctd\u003e800Vp\u003c\/td\u003e\n\u003ctd\u003e4-32VDC\u003c\/td\u003e\n\u003ctd\u003e50A\u003c\/td\u003e\n\u003ctd\u003eRM1A40D50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e480VACrms\u003c\/td\u003e\n\u003ctd\u003e1200Vp\u003c\/td\u003e\n\u003ctd\u003e4-32VDC\u003c\/td\u003e\n\u003ctd\u003e75A\u003c\/td\u003e\n\u003ctd\u003eRM1A48D75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e600VACrms\u003c\/td\u003e\n\u003ctd\u003e1400Vp\u003c\/td\u003e\n\u003ctd\u003e4-32VDC\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003ctd\u003eRM1A60D100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL endurance testing: 6,000 cycles\u003c\/li\u003e\n\u003cli\u003eMounting screws: M5 with torque 1.5-2.0Nm\u003c\/li\u003e\n\u003cli\u003eConnection terminals: M5 screw with captivated washer (L1, T1), M3 screw for control (A1, A2)\u003c\/li\u003e\n\u003cli\u003eStripping length: 12 mm (power), 8 mm (control)\u003c\/li\u003e\n\u003cli\u003eHousing dimensions and connection diagrams available in datasheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/RM1A.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e. Note: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\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.
