Introducing the CROUZET CONTROLS NNR24A Liquid Level Relay, a high-performance controller designed for precise liquid level management in various industrial applications. This open PCB SPDT relay offers reliable switching capabilities with a maximum load of 10A, making it suitable for pump control and level switching operations.
Product Features
SPDT relay rated at 10 Amps for robust switching performance
Operates on 24 VAC to 220 VAC input voltages (±15%, 50/60 Hz)
Sensitivity adjustment range from 4.7 kΩ to 47 kΩ for customizable operation
Supports one, two, or three probe configurations for flexible liquid level detection
UL listed and CSA recognized for safety and compliance
Relay with a mechanical life of 30 million operations and electrical life of 200,000 operations at 2200 VA resistive load
Probe isolation of 2000 VAC with a sensitivity of 4.7 KΩ to 47 KΩ
Compact package in a box format for easy installation
Technical Specifications
Input Voltage
24 VAC, 48 VAC, 110 VAC, 220 VAC (±15%, 50/60 Hz)
Power Consumption
24 VAC: 1.5 VA 48 VAC: 1.7 VA 110 VAC: 2 VA 220 VAC: 2 VA
Output
SPDT relay
Contact Material
AgCdO (90/10)
Maximum Loading
10 A AC resistive, 1 A DC inductive
Maximum Switching Voltage
250 VAC, 30 VDC
Relay Power Rating
2500 VA, 30 VDC
Mechanical Life
3 x 107 operations
Electrical Life
2 x 105 operations at 2200 VA resistive load
Probe Isolation
Switching contact: 2000 VA Electrodes: 2000 VAC
Probe Sensitivity
4.7 KΩ to 47 KΩ
Probe Voltage
24 VAC, 60 Hz
Probe Current
Max. 2 mA
Operating Temperature
+14°F to 140°F (-10°C to +60°C)
Weight
4.6 oz. (130 g)
Application and Usage
The NNR24A Liquid Level Relay is suitable for pump up or pump down operations, with selectable switch functions. It can be used with multiple probes for precise liquid level control, making it ideal for water tanks, sump pumps, and other liquid management systems. For optimal performance, use shielded cables with probes and avoid running probe wires alongside other electrical wiring.
Ordering Information
Part Number: NNR24A
Manufacturer: CROUZET CONTROLS
Country of Origin: MX
Unit of Measure: EA
ECCN: EAR99
Package Type: BOX
For detailed specifications and application guidance, please refer to the datasheet.
Note: Product specifications are subject to change. Please consult the manufacturer for the latest information and application assistance.
{"id":10021353455933,"title":"NNR24A","handle":"nnr24a","description":"\u003ch3\u003eLiquid Level Relay Open PCB SPDT 10A 24 VAC - NNR24A\u003c\/h3\u003e\n\u003cp\u003eIntroducing the CROUZET CONTROLS NNR24A Liquid Level Relay, a high-performance controller designed for precise liquid level management in various industrial applications. This open PCB SPDT relay offers reliable switching capabilities with a maximum load of 10A, making it suitable for pump control and level switching operations.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSPDT relay rated at 10 Amps for robust switching performance\u003c\/li\u003e\n \u003cli\u003eOperates on 24 VAC to 220 VAC input voltages (±15%, 50\/60 Hz)\u003c\/li\u003e\n \u003cli\u003eSensitivity adjustment range from 4.7 kΩ to 47 kΩ for customizable operation\u003c\/li\u003e\n \u003cli\u003eSupports one, two, or three probe configurations for flexible liquid level detection\u003c\/li\u003e\n \u003cli\u003eUL listed and CSA recognized for safety and compliance\u003c\/li\u003e\n \u003cli\u003eRelay with a mechanical life of 30 million operations and electrical life of 200,000 operations at 2200 VA resistive load\u003c\/li\u003e\n \u003cli\u003eProbe isolation of 2000 VAC with a sensitivity of 4.7 KΩ to 47 KΩ\u003c\/li\u003e\n \u003cli\u003eCompact package in a box format for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eInput Voltage\u003c\/th\u003e\n \u003ctd\u003e24 VAC, 48 VAC, 110 VAC, 220 VAC (±15%, 50\/60 Hz)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePower Consumption\u003c\/th\u003e\n \u003ctd\u003e24 VAC: 1.5 VA\u003cbr\u003e48 VAC: 1.7 VA\u003cbr\u003e110 VAC: 2 VA\u003cbr\u003e220 VAC: 2 VA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOutput\u003c\/th\u003e\n \u003ctd\u003eSPDT relay\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Material\u003c\/th\u003e\n \u003ctd\u003eAgCdO (90\/10)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Loading\u003c\/th\u003e\n \u003ctd\u003e10 A AC resistive, 1 A DC inductive\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Switching Voltage\u003c\/th\u003e\n \u003ctd\u003e250 VAC, 30 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eRelay Power Rating\u003c\/th\u003e\n \u003ctd\u003e2500 VA, 30 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMechanical Life\u003c\/th\u003e\n \u003ctd\u003e3 x 10\u003csup\u003e7\u003c\/sup\u003e operations\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Life\u003c\/th\u003e\n \u003ctd\u003e2 x 10\u003csup\u003e5\u003c\/sup\u003e operations at 2200 VA resistive load\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProbe Isolation\u003c\/th\u003e\n \u003ctd\u003eSwitching contact: 2000 VA\u003cbr\u003eElectrodes: 2000 VAC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProbe Sensitivity\u003c\/th\u003e\n \u003ctd\u003e4.7 KΩ to 47 KΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProbe Voltage\u003c\/th\u003e\n \u003ctd\u003e24 VAC, 60 Hz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProbe Current\u003c\/th\u003e\n \u003ctd\u003eMax. 2 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e+14°F to 140°F (-10°C to +60°C)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eWeight\u003c\/th\u003e\n \u003ctd\u003e4.6 oz. (130 g)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication and Usage\u003c\/h3\u003e\n\u003cp\u003eThe NNR24A Liquid Level Relay is suitable for pump up or pump down operations, with selectable switch functions. It can be used with multiple probes for precise liquid level control, making it ideal for water tanks, sump pumps, and other liquid management systems. For optimal performance, use shielded cables with probes and avoid running probe wires alongside other electrical wiring.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: NNR24A\u003c\/li\u003e\n \u003cli\u003eManufacturer: CROUZET CONTROLS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: MX\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: BOX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-crc\/nnr.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Product specifications are subject to change. Please consult the manufacturer for the latest information and application assistance.\u003c\/p\u003e","published_at":"2025-08-12T15:44:27+05:30","created_at":"2025-08-12T15:44:27+05:30","vendor":"Waldom Electonics","type":"Controllers","tags":["10A","24 VAC","Controllers","CROUZ","IMPORT_CSV","Level","PCB","Relay","WLDM"],"price":623937,"price_min":623937,"price_max":623937,"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":50612235272509,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"NNR24A","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"NNR24A","public_title":null,"options":["Default Title"],"price":623937,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"NNR24A","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/NNR24A_47290405_e8b72bda.jpg?v=1754993670"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/NNR24A_47290405_e8b72bda.jpg?v=1754993670","options":["Title"],"media":[{"alt":null,"id":45801617293629,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/NNR24A_47290405_e8b72bda.jpg?v=1754993670"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/NNR24A_47290405_e8b72bda.jpg?v=1754993670","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eLiquid Level Relay Open PCB SPDT 10A 24 VAC - NNR24A\u003c\/h3\u003e\n\u003cp\u003eIntroducing the CROUZET CONTROLS NNR24A Liquid Level Relay, a high-performance controller designed for precise liquid level management in various industrial applications. This open PCB SPDT relay offers reliable switching capabilities with a maximum load of 10A, making it suitable for pump control and level switching operations.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSPDT relay rated at 10 Amps for robust switching performance\u003c\/li\u003e\n \u003cli\u003eOperates on 24 VAC to 220 VAC input voltages (±15%, 50\/60 Hz)\u003c\/li\u003e\n \u003cli\u003eSensitivity adjustment range from 4.7 kΩ to 47 kΩ for customizable operation\u003c\/li\u003e\n \u003cli\u003eSupports one, two, or three probe configurations for flexible liquid level detection\u003c\/li\u003e\n \u003cli\u003eUL listed and CSA recognized for safety and compliance\u003c\/li\u003e\n \u003cli\u003eRelay with a mechanical life of 30 million operations and electrical life of 200,000 operations at 2200 VA resistive load\u003c\/li\u003e\n \u003cli\u003eProbe isolation of 2000 VAC with a sensitivity of 4.7 KΩ to 47 KΩ\u003c\/li\u003e\n \u003cli\u003eCompact package in a box format for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eInput Voltage\u003c\/th\u003e\n \u003ctd\u003e24 VAC, 48 VAC, 110 VAC, 220 VAC (±15%, 50\/60 Hz)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePower Consumption\u003c\/th\u003e\n \u003ctd\u003e24 VAC: 1.5 VA\u003cbr\u003e48 VAC: 1.7 VA\u003cbr\u003e110 VAC: 2 VA\u003cbr\u003e220 VAC: 2 VA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOutput\u003c\/th\u003e\n \u003ctd\u003eSPDT relay\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Material\u003c\/th\u003e\n \u003ctd\u003eAgCdO (90\/10)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Loading\u003c\/th\u003e\n \u003ctd\u003e10 A AC resistive, 1 A DC inductive\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Switching Voltage\u003c\/th\u003e\n \u003ctd\u003e250 VAC, 30 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eRelay Power Rating\u003c\/th\u003e\n \u003ctd\u003e2500 VA, 30 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMechanical Life\u003c\/th\u003e\n \u003ctd\u003e3 x 10\u003csup\u003e7\u003c\/sup\u003e operations\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Life\u003c\/th\u003e\n \u003ctd\u003e2 x 10\u003csup\u003e5\u003c\/sup\u003e operations at 2200 VA resistive load\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProbe Isolation\u003c\/th\u003e\n \u003ctd\u003eSwitching contact: 2000 VA\u003cbr\u003eElectrodes: 2000 VAC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProbe Sensitivity\u003c\/th\u003e\n \u003ctd\u003e4.7 KΩ to 47 KΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProbe Voltage\u003c\/th\u003e\n \u003ctd\u003e24 VAC, 60 Hz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProbe Current\u003c\/th\u003e\n \u003ctd\u003eMax. 2 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e+14°F to 140°F (-10°C to +60°C)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eWeight\u003c\/th\u003e\n \u003ctd\u003e4.6 oz. (130 g)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication and Usage\u003c\/h3\u003e\n\u003cp\u003eThe NNR24A Liquid Level Relay is suitable for pump up or pump down operations, with selectable switch functions. It can be used with multiple probes for precise liquid level control, making it ideal for water tanks, sump pumps, and other liquid management systems. For optimal performance, use shielded cables with probes and avoid running probe wires alongside other electrical wiring.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: NNR24A\u003c\/li\u003e\n \u003cli\u003eManufacturer: CROUZET CONTROLS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: MX\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: BOX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-crc\/nnr.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Product specifications are subject to change. Please consult the manufacturer for the latest information and application assistance.\u003c\/p\u003e"}
