CARLO GAVAZZI DPB51CM44 3-PHASE VOLTAGE LEVEL RELAY REV.
The DPB51 is a multifunction 3-phase mains monitoring relay designed for industrial applications. Manufactured by CARLO GAVAZZI, this relay operates on 3P and 3P+N systems, providing reliable detection of phase loss, phase sequence, overvoltage, and undervoltage conditions. Power is supplied directly by the monitored mains, ensuring seamless operation in various power environments.
Key features include:
Wide voltage range: 208 to 480 VAC, suitable for diverse industrial power systems
Adjustable voltage setpoints for overvoltage and undervoltage detection
Delay on alarm: up to 30 seconds for accurate response
Front dial for easy adjustment of voltage levels and time delay
Changeover relay output with SPDT contacts
LED indicators for relay status, signal alarm, and device operation
Ultra-high harmonic immunity for noisy environments
Compact design: 17.5 mm DIN rail housing for easy installation
Product specifications:
Power supply
Supplied by measured phases (L1, L2)
Voltage range
208 to 480 V AC ± 15% (177 to 552 V)
Frequency range
50 to 60 Hz ± 10%
Consumption
< 13 VA
Outputs
SPDT relay with changeover contacts, rated at 5 A @ 250 VAC
Electrical lifetime
≥ 50,000 operations
Mechanical lifetime
> 30 million operations
Additional features include:
Phase loss and phase sequence detection
Adjustable overvoltage and undervoltage setpoints via front dial
Time delay setting for alarm activation
Robust insulation: 2.5 kVrms between input and output
Compact dimensions: 17.5 x 90 x 67.2 mm
Environmental ratings: IP20, operating temperature -20°C to 60°C
For detailed technical information, please refer to the DPB51 datasheet.
Part Number: DPB51CM44
Manufacturer: CARLO GAVAZZI
Country of Origin: CN
UOM: EA
ECCN: EAR99
Package Type: BLK
Note: Datasheet was not processed please search the internet for the part number 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":10027112792381,"title":"DPB51CM44","handle":"dpb51cm44","description":"\u003ch3\u003eCARLO GAVAZZI DPB51CM44 3-PHASE VOLTAGE LEVEL RELAY REV.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDPB51\u003c\/strong\u003e is a multifunction 3-phase mains monitoring relay designed for industrial applications. Manufactured by \u003cstrong\u003eCARLO GAVAZZI\u003c\/strong\u003e, this relay operates on 3P and 3P+N systems, providing reliable detection of phase loss, phase sequence, overvoltage, and undervoltage conditions. Power is supplied directly by the monitored mains, ensuring seamless operation in various power environments.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWide voltage range: 208 to 480 VAC, suitable for diverse industrial power systems\u003c\/li\u003e\n\u003cli\u003eAdjustable voltage setpoints for overvoltage and undervoltage detection\u003c\/li\u003e\n\u003cli\u003eDelay on alarm: up to 30 seconds for accurate response\u003c\/li\u003e\n\u003cli\u003eFront dial for easy adjustment of voltage levels and time delay\u003c\/li\u003e\n\u003cli\u003eChangeover relay output with SPDT contacts\u003c\/li\u003e\n\u003cli\u003eLED indicators for relay status, signal alarm, and device operation\u003c\/li\u003e\n\u003cli\u003eUltra-high harmonic immunity for noisy environments\u003c\/li\u003e\n\u003cli\u003eCompact design: 17.5 mm DIN rail housing for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProduct specifications:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003cth\u003eSupplied by measured phases (L1, L2)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage range\u003c\/td\u003e\n\u003ctd\u003e208 to 480 V AC ± 15% (177 to 552 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e50 to 60 Hz ± 10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 13 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003cth\u003eSPDT relay with changeover contacts, rated at 5 A @ 250 VAC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical lifetime\u003c\/td\u003e\n\u003ctd\u003e≥ 50,000 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical lifetime\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 30 million operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eAdditional features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePhase loss and phase sequence detection\u003c\/li\u003e\n\u003cli\u003eAdjustable overvoltage and undervoltage setpoints via front dial\u003c\/li\u003e\n\u003cli\u003eTime delay setting for alarm activation\u003c\/li\u003e\n\u003cli\u003eRobust insulation: 2.5 kVrms between input and output\u003c\/li\u003e\n\u003cli\u003eCompact dimensions: 17.5 x 90 x 67.2 mm\u003c\/li\u003e\n\u003cli\u003eEnvironmental ratings: IP20, operating temperature -20°C to 60°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed technical information, please refer to the \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/DPB51_DS_ENG.pdf\" target=\"_blank\"\u003eDPB51 datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePart Number: DPB51CM44\u003cbr\u003e\nManufacturer: CARLO GAVAZZI\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: BLK\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T20:10:47+05:30","created_at":"2025-08-15T20:10:47+05:30","vendor":"Waldom Electonics","type":"Relays","tags":["CARLO","IMPORT_CSV","IMPORT_PT2","Industrial","Relay","REV","WLDM"],"price":1365121,"price_min":1365121,"price_max":1365121,"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":50623740215613,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DPB51CM44","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DPB51CM44","public_title":null,"options":["Default Title"],"price":1365121,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DPB51CM44","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11052956.jpg?v=1755268850"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11052956.jpg?v=1755268850","options":["Title"],"media":[{"alt":null,"id":45855585370429,"position":1,"preview_image":{"aspect_ratio":1.002,"height":419,"width":420,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11052956.jpg?v=1755268850"},"aspect_ratio":1.002,"height":419,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11052956.jpg?v=1755268850","width":420}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eCARLO GAVAZZI DPB51CM44 3-PHASE VOLTAGE LEVEL RELAY REV.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDPB51\u003c\/strong\u003e is a multifunction 3-phase mains monitoring relay designed for industrial applications. Manufactured by \u003cstrong\u003eCARLO GAVAZZI\u003c\/strong\u003e, this relay operates on 3P and 3P+N systems, providing reliable detection of phase loss, phase sequence, overvoltage, and undervoltage conditions. Power is supplied directly by the monitored mains, ensuring seamless operation in various power environments.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWide voltage range: 208 to 480 VAC, suitable for diverse industrial power systems\u003c\/li\u003e\n\u003cli\u003eAdjustable voltage setpoints for overvoltage and undervoltage detection\u003c\/li\u003e\n\u003cli\u003eDelay on alarm: up to 30 seconds for accurate response\u003c\/li\u003e\n\u003cli\u003eFront dial for easy adjustment of voltage levels and time delay\u003c\/li\u003e\n\u003cli\u003eChangeover relay output with SPDT contacts\u003c\/li\u003e\n\u003cli\u003eLED indicators for relay status, signal alarm, and device operation\u003c\/li\u003e\n\u003cli\u003eUltra-high harmonic immunity for noisy environments\u003c\/li\u003e\n\u003cli\u003eCompact design: 17.5 mm DIN rail housing for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProduct specifications:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003cth\u003eSupplied by measured phases (L1, L2)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage range\u003c\/td\u003e\n\u003ctd\u003e208 to 480 V AC ± 15% (177 to 552 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e50 to 60 Hz ± 10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 13 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003cth\u003eSPDT relay with changeover contacts, rated at 5 A @ 250 VAC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical lifetime\u003c\/td\u003e\n\u003ctd\u003e≥ 50,000 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical lifetime\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 30 million operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eAdditional features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePhase loss and phase sequence detection\u003c\/li\u003e\n\u003cli\u003eAdjustable overvoltage and undervoltage setpoints via front dial\u003c\/li\u003e\n\u003cli\u003eTime delay setting for alarm activation\u003c\/li\u003e\n\u003cli\u003eRobust insulation: 2.5 kVrms between input and output\u003c\/li\u003e\n\u003cli\u003eCompact dimensions: 17.5 x 90 x 67.2 mm\u003c\/li\u003e\n\u003cli\u003eEnvironmental ratings: IP20, operating temperature -20°C to 60°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed technical information, please refer to the \u003ca href=\"https:\/\/gavazziautomation.com\/images\/PIM\/DATASHEET\/ENG\/DPB51_DS_ENG.pdf\" target=\"_blank\"\u003eDPB51 datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePart Number: DPB51CM44\u003cbr\u003e\nManufacturer: CARLO GAVAZZI\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: BLK\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
