Product Description for CROUZET CONTROLS NNR220A Liquid Level Relay
The CROUZET CONTROLS NNR220A is a high-performance liquid level controller designed for precise pump up or pump down applications. This controller features UL listing and CSA recognition, ensuring compliance with safety standards. It is suitable for various industrial liquid level management tasks, providing reliable switching with a 10 Amp SPDT rated relay.
Liquid level control with pump up or pump down switch selectable modes
Supports one, two, or three probe operation
Voltage compatibility from 24 VAC to 220 VAC (±15%, 50/60 Hz)
Maximum load capacity of 10 A AC resistive and 1 A DC inductive
Relay with a mechanical life of 30 million operations and electrical life of 200,000 operations at 2200 VA resistive load
Probe sensitivity adjustable from 4.7 kΩ to 47 kΩ
Probe voltage of 24 VAC, 60 Hz with a maximum current of 2 mA
Operating temperature range from -10°C to +60°C (+14°F to 140°F)
Compact design weighing approximately 130 grams (4.6 oz.)
Specifications
Input Voltage
24 VAC, 48 VAC, 110 VAC, 220 VAC (±15%)
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 Load
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 10^7 operations
Electrical Life
200,000 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
-10°C to +60°C (+14°F to 140°F)
Weight
130 g (4.6 oz.)
Mounting and Usage
The NNR220A is designed for open PC board mounting. It features pump up and pump down functions, which can be configured based on application needs. The device supports multiple probe configurations, including single, dual, or triple probe setups, with optional connection of maximum and common terminals for simplified operation. For best results, use shielded cables with probes and avoid running probe wires alongside other electrical wiring.
Application Notes
Suitable for liquid level detection in various industrial environments
Can be used with conductive containers as the common probe in certain applications
Supports voltage inputs from 24 VAC to 220 VAC for versatile deployment
For more detailed technical information, please refer to the full datasheet.
Note: Product specifications are subject to change without notice. Please consult the manufacturer or datasheet for the most current information.
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{"id":10021353423165,"title":"NNR220A","handle":"nnr220a","description":"\u003ch3\u003eProduct Description for CROUZET CONTROLS NNR220A Liquid Level Relay\u003c\/h3\u003e\n\u003cp\u003eThe CROUZET CONTROLS NNR220A is a high-performance liquid level controller designed for precise pump up or pump down applications. This controller features UL listing and CSA recognition, ensuring compliance with safety standards. It is suitable for various industrial liquid level management tasks, providing reliable switching with a 10 Amp SPDT rated relay.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e NNR220A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CROUZET CONTROLS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BOX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-CRC\/NNR220A.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eLiquid level control with pump up or pump down switch selectable modes\u003c\/li\u003e\n \u003cli\u003eSupports one, two, or three probe operation\u003c\/li\u003e\n \u003cli\u003eVoltage compatibility from 24 VAC to 220 VAC (±15%, 50\/60 Hz)\u003c\/li\u003e\n \u003cli\u003eMaximum load capacity of 10 A AC resistive and 1 A DC inductive\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 sensitivity adjustable from 4.7 kΩ to 47 kΩ\u003c\/li\u003e\n \u003cli\u003eProbe voltage of 24 VAC, 60 Hz with a maximum current of 2 mA\u003c\/li\u003e\n \u003cli\u003eOperating temperature range from -10°C to +60°C (+14°F to 140°F)\u003c\/li\u003e\n \u003cli\u003eCompact design weighing approximately 130 grams (4.6 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n \u003cth\u003eInput Voltage\u003c\/th\u003e\n \u003ctd\u003e24 VAC, 48 VAC, 110 VAC, 220 VAC (±15%)\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 Load\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 10^7 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003cth\u003eElectrical Life\u003c\/th\u003e\n \u003ctd\u003e200,000 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-10°C to +60°C (+14°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003cth\u003eWeight\u003c\/th\u003e\n \u003ctd\u003e130 g (4.6 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMounting and Usage\u003c\/h3\u003e\n\u003cp\u003eThe NNR220A is designed for open PC board mounting. It features pump up and pump down functions, which can be configured based on application needs. The device supports multiple probe configurations, including single, dual, or triple probe setups, with optional connection of maximum and common terminals for simplified operation. For best results, use shielded cables with probes and avoid running probe wires alongside other electrical wiring.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSuitable for liquid level detection in various industrial environments\u003c\/li\u003e\n \u003cli\u003eCan be used with conductive containers as the common probe in certain applications\u003c\/li\u003e\n \u003cli\u003eSupports voltage inputs from 24 VAC to 220 VAC for versatile deployment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-CRC\/NNR220A.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Product specifications are subject to change without notice. Please consult the manufacturer or datasheet for the most current information.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-12T15:44:24+05:30","created_at":"2025-08-12T15:44:24+05:30","vendor":"Waldom Electonics","type":"Controllers","tags":["Controllers","CROUZ","IMPORT_CSV","Level","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":50612235239741,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"NNR220A","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"NNR220A","public_title":null,"options":["Default Title"],"price":623937,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"NNR220A","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/NNR220A_47290404_5aa74c43.jpg?v=1754993668"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/NNR220A_47290404_5aa74c43.jpg?v=1754993668","options":["Title"],"media":[{"alt":null,"id":45801616802109,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/NNR220A_47290404_5aa74c43.jpg?v=1754993668"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/NNR220A_47290404_5aa74c43.jpg?v=1754993668","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for CROUZET CONTROLS NNR220A Liquid Level Relay\u003c\/h3\u003e\n\u003cp\u003eThe CROUZET CONTROLS NNR220A is a high-performance liquid level controller designed for precise pump up or pump down applications. This controller features UL listing and CSA recognition, ensuring compliance with safety standards. It is suitable for various industrial liquid level management tasks, providing reliable switching with a 10 Amp SPDT rated relay.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e NNR220A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CROUZET CONTROLS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BOX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-CRC\/NNR220A.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eLiquid level control with pump up or pump down switch selectable modes\u003c\/li\u003e\n \u003cli\u003eSupports one, two, or three probe operation\u003c\/li\u003e\n \u003cli\u003eVoltage compatibility from 24 VAC to 220 VAC (±15%, 50\/60 Hz)\u003c\/li\u003e\n \u003cli\u003eMaximum load capacity of 10 A AC resistive and 1 A DC inductive\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 sensitivity adjustable from 4.7 kΩ to 47 kΩ\u003c\/li\u003e\n \u003cli\u003eProbe voltage of 24 VAC, 60 Hz with a maximum current of 2 mA\u003c\/li\u003e\n \u003cli\u003eOperating temperature range from -10°C to +60°C (+14°F to 140°F)\u003c\/li\u003e\n \u003cli\u003eCompact design weighing approximately 130 grams (4.6 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n \u003cth\u003eInput Voltage\u003c\/th\u003e\n \u003ctd\u003e24 VAC, 48 VAC, 110 VAC, 220 VAC (±15%)\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 Load\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 10^7 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003cth\u003eElectrical Life\u003c\/th\u003e\n \u003ctd\u003e200,000 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-10°C to +60°C (+14°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003cth\u003eWeight\u003c\/th\u003e\n \u003ctd\u003e130 g (4.6 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMounting and Usage\u003c\/h3\u003e\n\u003cp\u003eThe NNR220A is designed for open PC board mounting. It features pump up and pump down functions, which can be configured based on application needs. The device supports multiple probe configurations, including single, dual, or triple probe setups, with optional connection of maximum and common terminals for simplified operation. For best results, use shielded cables with probes and avoid running probe wires alongside other electrical wiring.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSuitable for liquid level detection in various industrial environments\u003c\/li\u003e\n \u003cli\u003eCan be used with conductive containers as the common probe in certain applications\u003c\/li\u003e\n \u003cli\u003eSupports voltage inputs from 24 VAC to 220 VAC for versatile deployment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-CRC\/NNR220A.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Product specifications are subject to change without notice. Please consult the manufacturer or datasheet for the most current information.\u003c\/em\u003e\u003c\/p\u003e"}
