CARLO GAVAZZI SPM3121 DIN Rail Power Supply - 52MM Wide Low Profile Switching Module
The CARLO GAVAZZI SPM3121 is a modular switching power supply designed for DIN rail mounting, ideal for automation and building automation applications. This power supply offers reliable performance with high efficiency and comprehensive protections.
Single DIN module with 52mm width for compact installation
Universal input voltage range: 90/264VAC or 120/370VDC
High efficiency up to 83%, reducing heat generation
Short circuit and overload protection for enhanced safety
Internal input filter to minimize electrical noise
UL Class 2 compliant output
LED indicators for operational status (DC ON and DC LOW)
Easy snap-on mounting onto TS35/7.5 or TS35/15 DIN rails
Designed for applications requiring up to 30W output power
CE and Rheinland safety approvals
Technical Specifications
Input Data
Not replaceable by user
Output Power
Up to 30W
Efficiency
Up to 83%
Protection Features
Short circuit, overload, over voltage detection
Indicators
DC ON (Green LED), DC LOW (Red LED)
Input Voltage Range
90-264VAC / 120-370VDC
Mechanical Dimensions
52mm width, DIN rail mounting
Controls and Pin Assignments
Pin No.
Designation
Description
1
+
Positive output terminal
2
+
Positive output terminal
3
-
Negative output terminal
4
-
Negative output terminal
5
L
Input phase conductor (no polarity at DC input)
6
N
Input neutral conductor
P1
Vout Adj.
Vout adjustment trimmer-potentiometer
LED1
DC ON
Operation indicator LED
LED2
DC LOW
DC LOW indicator LED
Installation & Cooling
Supports normal air convection cooling
Requires at least 25mm of free space on all sides for optimal cooling
Snap-on mounting onto DIN rails (TS35/7.5 or TS35/15), no tools needed for installation or removal
Approvals & Certifications
CE EN61000-6-3, EN55022 class B, EN61000-3-2, EN61000-3-3
EN61000-6-2, EN55024, EN61000-4 series for immunity and emissions
Rheinland Product Safety Certification
For more detailed specifications and customization options, please refer to the datasheet. Please note that specifications are subject to change without notice. The images are for illustration purposes only.
Datasheet was not processed, please search the internet for the part number SPM3121 for more details.
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{"id":10021737365821,"title":"SPM3121","handle":"spm3121","description":"\u003ch3\u003eCARLO GAVAZZI SPM3121 DIN Rail Power Supply - 52MM Wide Low Profile Switching Module\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCARLO GAVAZZI SPM3121\u003c\/strong\u003e is a modular switching power supply designed for DIN rail mounting, ideal for automation and building automation applications. This power supply offers reliable performance with high efficiency and comprehensive protections.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SPM3121\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 (China)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (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 DIN Rail Module\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.gavazzionline.com\/pdf\/SPM3_r_0.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\u003eSingle DIN module with 52mm width for compact installation\u003c\/li\u003e\n \u003cli\u003eUniversal input voltage range: 90\/264VAC or 120\/370VDC\u003c\/li\u003e\n \u003cli\u003eHigh efficiency up to 83%, reducing heat generation\u003c\/li\u003e\n \u003cli\u003eShort circuit and overload protection for enhanced safety\u003c\/li\u003e\n \u003cli\u003eInternal input filter to minimize electrical noise\u003c\/li\u003e\n \u003cli\u003eUL Class 2 compliant output\u003c\/li\u003e\n \u003cli\u003eLED indicators for operational status (DC ON and DC LOW)\u003c\/li\u003e\n \u003cli\u003eEasy snap-on mounting onto TS35\/7.5 or TS35\/15 DIN rails\u003c\/li\u003e\n \u003cli\u003eDesigned for applications requiring up to 30W output power\u003c\/li\u003e\n \u003cli\u003eCE and Rheinland safety approvals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eInput Data\u003c\/th\u003e\n \u003ctd\u003eNot replaceable by user\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOutput Power\u003c\/th\u003e\n \u003ctd\u003eUp to 30W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEfficiency\u003c\/th\u003e\n \u003ctd\u003eUp to 83%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProtection Features\u003c\/th\u003e\n \u003ctd\u003eShort circuit, overload, over voltage detection\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eIndicators\u003c\/th\u003e\n \u003ctd\u003eDC ON (Green LED), DC LOW (Red LED)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInput Voltage Range\u003c\/th\u003e\n \u003ctd\u003e90-264VAC \/ 120-370VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMechanical Dimensions\u003c\/th\u003e\n \u003ctd\u003e52mm width, DIN rail mounting\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControls and Pin Assignments\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003ePin No.\u003c\/th\u003e\n \u003cth\u003eDesignation\u003c\/th\u003e\n \u003cth\u003eDescription\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e1\u003c\/td\u003e\n \u003ctd\u003e+\u003c\/td\u003e\n \u003ctd\u003ePositive output terminal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e2\u003c\/td\u003e\n \u003ctd\u003e+\u003c\/td\u003e\n \u003ctd\u003ePositive output terminal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e3\u003c\/td\u003e\n \u003ctd\u003e-\u003c\/td\u003e\n \u003ctd\u003eNegative output terminal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e4\u003c\/td\u003e\n \u003ctd\u003e-\u003c\/td\u003e\n \u003ctd\u003eNegative output terminal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e5\u003c\/td\u003e\n \u003ctd\u003eL\u003c\/td\u003e\n \u003ctd\u003eInput phase conductor (no polarity at DC input)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e6\u003c\/td\u003e\n \u003ctd\u003eN\u003c\/td\u003e\n \u003ctd\u003eInput neutral conductor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eP1\u003c\/td\u003e\n \u003ctd\u003eVout Adj.\u003c\/td\u003e\n \u003ctd\u003eVout adjustment trimmer-potentiometer\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLED1\u003c\/td\u003e\n \u003ctd\u003eDC ON\u003c\/td\u003e\n \u003ctd\u003eOperation indicator LED\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLED2\u003c\/td\u003e\n \u003ctd\u003eDC LOW\u003c\/td\u003e\n \u003ctd\u003eDC LOW indicator LED\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation \u0026amp; Cooling\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSupports normal air convection cooling\u003c\/li\u003e\n \u003cli\u003eRequires at least 25mm of free space on all sides for optimal cooling\u003c\/li\u003e\n \u003cli\u003eSnap-on mounting onto DIN rails (TS35\/7.5 or TS35\/15), no tools needed for installation or removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApprovals \u0026amp; Certifications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCE EN61000-6-3, EN55022 class B, EN61000-3-2, EN61000-3-3\u003c\/li\u003e\n \u003cli\u003eEN61000-6-2, EN55024, EN61000-4 series for immunity and emissions\u003c\/li\u003e\n \u003cli\u003eRheinland Product Safety Certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and customization options, please refer to the \u003ca href=\"https:\/\/www.gavazzionline.com\/pdf\/SPM3_r_0.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please note that specifications are subject to change without notice. The images are for illustration purposes only.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDatasheet was not processed, please search the internet for the part number SPM3121 for more details.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-12T21:54:23+05:30","created_at":"2025-08-12T21:54:23+05:30","vendor":"Waldom Electonics","type":"Other Semiconductors","tags":["52MM","CARLO","DIN","IMPORT_CSV","Other","Power","Rail","WLDM"],"price":1500941,"price_min":1500941,"price_max":1500941,"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":50613120401725,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SPM3121","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SPM3121","public_title":null,"options":["Default Title"],"price":1500941,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"SPM3121","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/SPM3121_21804368_c8177571.jpg?v=1755015866"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SPM3121_21804368_c8177571.jpg?v=1755015866","options":["Title"],"media":[{"alt":null,"id":45805996802365,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SPM3121_21804368_c8177571.jpg?v=1755015866"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SPM3121_21804368_c8177571.jpg?v=1755015866","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eCARLO GAVAZZI SPM3121 DIN Rail Power Supply - 52MM Wide Low Profile Switching Module\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCARLO GAVAZZI SPM3121\u003c\/strong\u003e is a modular switching power supply designed for DIN rail mounting, ideal for automation and building automation applications. This power supply offers reliable performance with high efficiency and comprehensive protections.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SPM3121\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 (China)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (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 DIN Rail Module\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.gavazzionline.com\/pdf\/SPM3_r_0.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\u003eSingle DIN module with 52mm width for compact installation\u003c\/li\u003e\n \u003cli\u003eUniversal input voltage range: 90\/264VAC or 120\/370VDC\u003c\/li\u003e\n \u003cli\u003eHigh efficiency up to 83%, reducing heat generation\u003c\/li\u003e\n \u003cli\u003eShort circuit and overload protection for enhanced safety\u003c\/li\u003e\n \u003cli\u003eInternal input filter to minimize electrical noise\u003c\/li\u003e\n \u003cli\u003eUL Class 2 compliant output\u003c\/li\u003e\n \u003cli\u003eLED indicators for operational status (DC ON and DC LOW)\u003c\/li\u003e\n \u003cli\u003eEasy snap-on mounting onto TS35\/7.5 or TS35\/15 DIN rails\u003c\/li\u003e\n \u003cli\u003eDesigned for applications requiring up to 30W output power\u003c\/li\u003e\n \u003cli\u003eCE and Rheinland safety approvals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eInput Data\u003c\/th\u003e\n \u003ctd\u003eNot replaceable by user\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOutput Power\u003c\/th\u003e\n \u003ctd\u003eUp to 30W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEfficiency\u003c\/th\u003e\n \u003ctd\u003eUp to 83%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProtection Features\u003c\/th\u003e\n \u003ctd\u003eShort circuit, overload, over voltage detection\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eIndicators\u003c\/th\u003e\n \u003ctd\u003eDC ON (Green LED), DC LOW (Red LED)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInput Voltage Range\u003c\/th\u003e\n \u003ctd\u003e90-264VAC \/ 120-370VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMechanical Dimensions\u003c\/th\u003e\n \u003ctd\u003e52mm width, DIN rail mounting\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControls and Pin Assignments\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003ePin No.\u003c\/th\u003e\n \u003cth\u003eDesignation\u003c\/th\u003e\n \u003cth\u003eDescription\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e1\u003c\/td\u003e\n \u003ctd\u003e+\u003c\/td\u003e\n \u003ctd\u003ePositive output terminal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e2\u003c\/td\u003e\n \u003ctd\u003e+\u003c\/td\u003e\n \u003ctd\u003ePositive output terminal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e3\u003c\/td\u003e\n \u003ctd\u003e-\u003c\/td\u003e\n \u003ctd\u003eNegative output terminal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e4\u003c\/td\u003e\n \u003ctd\u003e-\u003c\/td\u003e\n \u003ctd\u003eNegative output terminal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e5\u003c\/td\u003e\n \u003ctd\u003eL\u003c\/td\u003e\n \u003ctd\u003eInput phase conductor (no polarity at DC input)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e6\u003c\/td\u003e\n \u003ctd\u003eN\u003c\/td\u003e\n \u003ctd\u003eInput neutral conductor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eP1\u003c\/td\u003e\n \u003ctd\u003eVout Adj.\u003c\/td\u003e\n \u003ctd\u003eVout adjustment trimmer-potentiometer\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLED1\u003c\/td\u003e\n \u003ctd\u003eDC ON\u003c\/td\u003e\n \u003ctd\u003eOperation indicator LED\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLED2\u003c\/td\u003e\n \u003ctd\u003eDC LOW\u003c\/td\u003e\n \u003ctd\u003eDC LOW indicator LED\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation \u0026amp; Cooling\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSupports normal air convection cooling\u003c\/li\u003e\n \u003cli\u003eRequires at least 25mm of free space on all sides for optimal cooling\u003c\/li\u003e\n \u003cli\u003eSnap-on mounting onto DIN rails (TS35\/7.5 or TS35\/15), no tools needed for installation or removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApprovals \u0026amp; Certifications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCE EN61000-6-3, EN55022 class B, EN61000-3-2, EN61000-3-3\u003c\/li\u003e\n \u003cli\u003eEN61000-6-2, EN55024, EN61000-4 series for immunity and emissions\u003c\/li\u003e\n \u003cli\u003eRheinland Product Safety Certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and customization options, please refer to the \u003ca href=\"https:\/\/www.gavazzionline.com\/pdf\/SPM3_r_0.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please note that specifications are subject to change without notice. The images are for illustration purposes only.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDatasheet was not processed, please search the internet for the part number SPM3121 for more details.\u003c\/em\u003e\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.
