3-Phase Monitoring Relay LWRA440A by CROUZET CONTROLS
Enhance your industrial control systems with the CROUZET CONTROLS LWRA440A 3-Phase Monitoring Relay. Designed for reliable phase sequence and loss detection, this relay ensures optimal operation of three-phase power supplies.
Monitors phase sequence and detects loss of any phase, even with induced voltage reaching 95% of nominal voltage
LED indicator displays relay status
SPDT relay output rated at 10A for resistive loads
Adjustable asymmetry detection between 5% and 15%
Operates with input power directly from 3-phase sources: 220 VAC, 380 VAC, or 440 VAC (60 Hz)
Relay has a mechanical life of 30 million operations and electrical life of 200,000 operations at 2200 VA resistive load
Operating temperature range: -10°C to +60°C (+14°F to +140°F)
Technical Specifications
Input Power
Power Consumption
3 x 220 VAC, 3 x 380 VAC, 3 x 440 VAC (±15%)
3 VA at 220 V
Output
Contact Material
Maximum Loading
Switching Voltage
Relay Power Rating
SPDT relay
AgCdO
10A AC resistive, 8A DC inductive
250 VAC, 250 VDC
220 VA, 80 W
Mechanical Life
Electrical Life
Operating Temperature
Weight
30 million operations
200,000 operations at 2200 VA resistive load
-10°C to +60°C (+14°F to +140°F)
7 oz. (200 g)
Wiring and Mounting
The relay is available with DIN-rail mounting options and 11-pin plug-in configuration for easy integration into existing systems. Wiring diagrams and detailed instructions are provided in the datasheet.
Ordering Information
Series: WRA
Input Power Options: 220A, 380A, 440A
Mounting Options: D (DIN-rail), L (11 pin plug-in), P (8 pin plug-in)
For more detailed application guidance, please refer to the datasheet.
Note: Product specifications are subject to change without notice. Please consult the manufacturer for the latest information.
{"id":10002248007997,"title":"LWRA440A","handle":"lwra440a","description":"\u003ch3\u003e3-Phase Monitoring Relay LWRA440A by CROUZET CONTROLS\u003c\/h3\u003e\n\u003cp\u003eEnhance your industrial control systems with the CROUZET CONTROLS LWRA440A 3-Phase Monitoring Relay. Designed for reliable phase sequence and loss detection, this relay ensures optimal operation of three-phase power supplies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LWRA440A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CROUZET CONTROLS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\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 BOX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-crc\/wra.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\u003eMonitors phase sequence and detects loss of any phase, even with induced voltage reaching 95% of nominal voltage\u003c\/li\u003e\n\u003cli\u003eLED indicator displays relay status\u003c\/li\u003e\n\u003cli\u003eSPDT relay output rated at 10A for resistive loads\u003c\/li\u003e\n\u003cli\u003eAdjustable asymmetry detection between 5% and 15%\u003c\/li\u003e\n\u003cli\u003eOperates with input power directly from 3-phase sources: 220 VAC, 380 VAC, or 440 VAC (60 Hz)\u003c\/li\u003e\n\u003cli\u003eRelay has a mechanical life of 30 million operations and electrical life of 200,000 operations at 2200 VA resistive load\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -10°C to +60°C (+14°F to +140°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Power\u003c\/th\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 x 220 VAC, 3 x 380 VAC, 3 x 440 VAC (±15%)\u003c\/td\u003e\n\u003ctd\u003e3 VA at 220 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eContact Material\u003c\/th\u003e\n\u003cth\u003eMaximum Loading\u003c\/th\u003e\n\u003cth\u003eSwitching Voltage\u003c\/th\u003e\n\u003cth\u003eRelay Power Rating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPDT relay\u003c\/td\u003e\n\u003ctd\u003eAgCdO\u003c\/td\u003e\n\u003ctd\u003e10A AC resistive, 8A DC inductive\u003c\/td\u003e\n\u003ctd\u003e250 VAC, 250 VDC\u003c\/td\u003e\n\u003ctd\u003e220 VA, 80 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMechanical Life\u003c\/th\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30 million operations\u003c\/td\u003e\n\u003ctd\u003e200,000 operations at 2200 VA resistive load\u003c\/td\u003e\n\u003ctd\u003e-10°C to +60°C (+14°F to +140°F)\u003c\/td\u003e\n\u003ctd\u003e7 oz. (200 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWiring and Mounting\u003c\/h3\u003e\n\u003cp\u003eThe relay is available with DIN-rail mounting options and 11-pin plug-in configuration for easy integration into existing systems. Wiring diagrams and detailed instructions are provided in the datasheet.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries: WRA\u003c\/li\u003e\n\u003cli\u003eInput Power Options: 220A, 380A, 440A\u003c\/li\u003e\n\u003cli\u003eMounting Options: D (DIN-rail), L (11 pin plug-in), P (8 pin plug-in)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-crc\/wra.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Product specifications are subject to change without notice. Please consult the manufacturer for the latest information.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-03T02:25:26+05:30","created_at":"2025-08-03T02:25:26+05:30","vendor":"Waldom Electonics","type":"Relays","tags":["10A","CROUZ","Industrial","Relay","SPDT","WLDM"],"price":844600,"price_min":844600,"price_max":844600,"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":50546469798205,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"LWRA440A","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"LWRA440A","public_title":null,"options":["Default Title"],"price":844600,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"LWRA440A","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/47290567.jpg?v=1754168126"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/47290567.jpg?v=1754168126","options":["Title"],"media":[{"alt":null,"id":45640658518333,"position":1,"preview_image":{"aspect_ratio":0.761,"height":197,"width":150,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/47290567.jpg?v=1754168126"},"aspect_ratio":0.761,"height":197,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/47290567.jpg?v=1754168126","width":150}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e3-Phase Monitoring Relay LWRA440A by CROUZET CONTROLS\u003c\/h3\u003e\n\u003cp\u003eEnhance your industrial control systems with the CROUZET CONTROLS LWRA440A 3-Phase Monitoring Relay. Designed for reliable phase sequence and loss detection, this relay ensures optimal operation of three-phase power supplies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LWRA440A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CROUZET CONTROLS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\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 BOX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-crc\/wra.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\u003eMonitors phase sequence and detects loss of any phase, even with induced voltage reaching 95% of nominal voltage\u003c\/li\u003e\n\u003cli\u003eLED indicator displays relay status\u003c\/li\u003e\n\u003cli\u003eSPDT relay output rated at 10A for resistive loads\u003c\/li\u003e\n\u003cli\u003eAdjustable asymmetry detection between 5% and 15%\u003c\/li\u003e\n\u003cli\u003eOperates with input power directly from 3-phase sources: 220 VAC, 380 VAC, or 440 VAC (60 Hz)\u003c\/li\u003e\n\u003cli\u003eRelay has a mechanical life of 30 million operations and electrical life of 200,000 operations at 2200 VA resistive load\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -10°C to +60°C (+14°F to +140°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Power\u003c\/th\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 x 220 VAC, 3 x 380 VAC, 3 x 440 VAC (±15%)\u003c\/td\u003e\n\u003ctd\u003e3 VA at 220 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eContact Material\u003c\/th\u003e\n\u003cth\u003eMaximum Loading\u003c\/th\u003e\n\u003cth\u003eSwitching Voltage\u003c\/th\u003e\n\u003cth\u003eRelay Power Rating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPDT relay\u003c\/td\u003e\n\u003ctd\u003eAgCdO\u003c\/td\u003e\n\u003ctd\u003e10A AC resistive, 8A DC inductive\u003c\/td\u003e\n\u003ctd\u003e250 VAC, 250 VDC\u003c\/td\u003e\n\u003ctd\u003e220 VA, 80 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMechanical Life\u003c\/th\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30 million operations\u003c\/td\u003e\n\u003ctd\u003e200,000 operations at 2200 VA resistive load\u003c\/td\u003e\n\u003ctd\u003e-10°C to +60°C (+14°F to +140°F)\u003c\/td\u003e\n\u003ctd\u003e7 oz. (200 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWiring and Mounting\u003c\/h3\u003e\n\u003cp\u003eThe relay is available with DIN-rail mounting options and 11-pin plug-in configuration for easy integration into existing systems. Wiring diagrams and detailed instructions are provided in the datasheet.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries: WRA\u003c\/li\u003e\n\u003cli\u003eInput Power Options: 220A, 380A, 440A\u003c\/li\u003e\n\u003cli\u003eMounting Options: D (DIN-rail), L (11 pin plug-in), P (8 pin plug-in)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-crc\/wra.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Product specifications are subject to change without notice. Please consult the manufacturer for the latest information.\u003c\/em\u003e\u003c\/p\u003e"}
