Product Description for CROUZET CONTROLS LWRS440A Industrial Relay
The CROUZET CONTROLS LWRS440A is an industrial relay designed for phase control applications, offering reliable monitoring and switching capabilities for three-phase power systems. This relay is UL listed and CSA recognized, ensuring compliance with safety standards.
Key Features:
Monitors phase sequence and detects loss of any phase, including induced voltages reaching 95% of nominal voltage
Under voltage detection with adjustable threshold ranges
Built-in trip delay timer for precise control
LED indicator for relay status monitoring
SPDT contact configuration with a 10 Amp 250 VAC rating
Available in three voltage ranges: 230 VAC, 380 VAC, and 480 VAC
Compact package in a box mounting type
Easy wiring with 11-pin plug-in connection
Technical Specifications:
Input Power
3 x 230 VAC / 380 VAC / 480 VAC (50/60 Hz)
Maximum Voltage
3 x 280 VAC to 3 x 530 VAC (depending on model)
Minimum Voltage
3 x 160 VAC to 3 x 340 VAC (depending on model)
Threshold Adjustment Range
160 to 230 VAC / 260 to 380 VAC / 340 to 480 VAC
Max Power Consumption
2 VA
Dial Accuracy
±10%
Temperature De-rating
±0.04%/°C
Dead Band
4% of 480 VAC
Response Time
300 ms on Make, 2 sec on Break
Output
SPDT, 10 Amp 250 VAC, Max Power 2000 VA
Electrical Life
2 x 10^7 operations
Mechanical Life
1 x 10^6 operations
Operating Temperature
-10°C to +60°C
Weight
3.5 oz. (100g)
Ordering Information: Refer to datasheet for specific wiring and mounting options.
{"id":10021352866109,"title":"LWRS440A","handle":"lwrs440a","description":"\u003ch3\u003eProduct Description for CROUZET CONTROLS LWRS440A Industrial Relay\u003c\/h3\u003e\n\u003cp\u003eThe CROUZET CONTROLS LWRS440A is an industrial relay designed for phase control applications, offering reliable monitoring and switching capabilities for three-phase power systems. This relay is UL listed and CSA recognized, ensuring compliance with safety standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMonitors phase sequence and detects loss of any phase, including induced voltages reaching 95% of nominal voltage\u003c\/li\u003e\n\u003cli\u003eUnder voltage detection with adjustable threshold ranges\u003c\/li\u003e\n\u003cli\u003eBuilt-in trip delay timer for precise control\u003c\/li\u003e\n\u003cli\u003eLED indicator for relay status monitoring\u003c\/li\u003e\n\u003cli\u003eSPDT contact configuration with a 10 Amp 250 VAC rating\u003c\/li\u003e\n\u003cli\u003eAvailable in three voltage ranges: 230 VAC, 380 VAC, and 480 VAC\u003c\/li\u003e\n\u003cli\u003eCompact package in a box mounting type\u003c\/li\u003e\n\u003cli\u003eEasy wiring with 11-pin plug-in connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Power\u003c\/th\u003e\n\u003ctd\u003e3 x 230 VAC \/ 380 VAC \/ 480 VAC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Voltage\u003c\/th\u003e\n\u003ctd\u003e3 x 280 VAC to 3 x 530 VAC (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum Voltage\u003c\/th\u003e\n\u003ctd\u003e3 x 160 VAC to 3 x 340 VAC (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThreshold Adjustment Range\u003c\/th\u003e\n\u003ctd\u003e160 to 230 VAC \/ 260 to 380 VAC \/ 340 to 480 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Power Consumption\u003c\/th\u003e\n\u003ctd\u003e2 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDial Accuracy\u003c\/th\u003e\n\u003ctd\u003e±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature De-rating\u003c\/th\u003e\n\u003ctd\u003e±0.04%\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDead Band\u003c\/th\u003e\n\u003ctd\u003e4% of 480 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResponse Time\u003c\/th\u003e\n\u003ctd\u003e300 ms on Make, 2 sec on Break\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003eSPDT, 10 Amp 250 VAC, Max Power 2000 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003ctd\u003e2 x 10^7 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMechanical Life\u003c\/th\u003e\n\u003ctd\u003e1 x 10^6 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e-10°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3.5 oz. (100g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Information:\u003c\/strong\u003e Refer to datasheet for specific wiring and mounting options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BOX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CROUZET CONTROLS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e LWRS440A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-crc\/crc-lwrs440a.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed; please search the internet for the part number LWRS440A for more details.\u003c\/p\u003e","published_at":"2025-08-12T15:43:37+05:30","created_at":"2025-08-12T15:43:37+05:30","vendor":"Waldom Electonics","type":"Relays","tags":["CROUZ","IMPORT_CSV","Industrial","PIN","Relay","WLDM"],"price":577925,"price_min":577925,"price_max":577925,"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":50612234453309,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"LWRS440A","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"LWRS440A","public_title":null,"options":["Default Title"],"price":577925,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"LWRS440A","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/LWRS440A_47290403_f7688025.jpg?v=1754993621"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/LWRS440A_47290403_f7688025.jpg?v=1754993621","options":["Title"],"media":[{"alt":null,"id":45801609789757,"position":1,"preview_image":{"aspect_ratio":0.895,"height":200,"width":179,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/LWRS440A_47290403_f7688025.jpg?v=1754993621"},"aspect_ratio":0.895,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/LWRS440A_47290403_f7688025.jpg?v=1754993621","width":179}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for CROUZET CONTROLS LWRS440A Industrial Relay\u003c\/h3\u003e\n\u003cp\u003eThe CROUZET CONTROLS LWRS440A is an industrial relay designed for phase control applications, offering reliable monitoring and switching capabilities for three-phase power systems. This relay is UL listed and CSA recognized, ensuring compliance with safety standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMonitors phase sequence and detects loss of any phase, including induced voltages reaching 95% of nominal voltage\u003c\/li\u003e\n\u003cli\u003eUnder voltage detection with adjustable threshold ranges\u003c\/li\u003e\n\u003cli\u003eBuilt-in trip delay timer for precise control\u003c\/li\u003e\n\u003cli\u003eLED indicator for relay status monitoring\u003c\/li\u003e\n\u003cli\u003eSPDT contact configuration with a 10 Amp 250 VAC rating\u003c\/li\u003e\n\u003cli\u003eAvailable in three voltage ranges: 230 VAC, 380 VAC, and 480 VAC\u003c\/li\u003e\n\u003cli\u003eCompact package in a box mounting type\u003c\/li\u003e\n\u003cli\u003eEasy wiring with 11-pin plug-in connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Power\u003c\/th\u003e\n\u003ctd\u003e3 x 230 VAC \/ 380 VAC \/ 480 VAC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Voltage\u003c\/th\u003e\n\u003ctd\u003e3 x 280 VAC to 3 x 530 VAC (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum Voltage\u003c\/th\u003e\n\u003ctd\u003e3 x 160 VAC to 3 x 340 VAC (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThreshold Adjustment Range\u003c\/th\u003e\n\u003ctd\u003e160 to 230 VAC \/ 260 to 380 VAC \/ 340 to 480 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Power Consumption\u003c\/th\u003e\n\u003ctd\u003e2 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDial Accuracy\u003c\/th\u003e\n\u003ctd\u003e±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature De-rating\u003c\/th\u003e\n\u003ctd\u003e±0.04%\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDead Band\u003c\/th\u003e\n\u003ctd\u003e4% of 480 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResponse Time\u003c\/th\u003e\n\u003ctd\u003e300 ms on Make, 2 sec on Break\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003eSPDT, 10 Amp 250 VAC, Max Power 2000 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003ctd\u003e2 x 10^7 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMechanical Life\u003c\/th\u003e\n\u003ctd\u003e1 x 10^6 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e-10°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3.5 oz. (100g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Information:\u003c\/strong\u003e Refer to datasheet for specific wiring and mounting options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BOX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CROUZET CONTROLS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e LWRS440A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-crc\/crc-lwrs440a.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed; please search the internet for the part number LWRS440A for more details.\u003c\/p\u003e"}
