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  • Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection
  • Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection
  • Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection
  • Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection
  • Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection
  • Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection
Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection

Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection

  • 5 - 99 Pieces
    $4.50
  • 100 - 499 Pieces
    $4.40
  • >= 500 Pieces
    $4.30

Customization:

Customized logo（Min.Order: 5000 pieces）
Customized packaging（Min.Order: 50000 pieces）
Graphic customization（Min.Order: 80000 pieces）
View product details

Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Floatless Level Monitoring: The Original Level Relay Water Level Controller with Floatless Level Switch 61F-GP-N is designed to monitor and control liquid levels without the need for a physical float, providing efficient and reliable operation.
  • Versatile Control: Functions as a liquid level control relay, offering precise management of water levels in various systems using advanced sensor technology.

Key features

  • 1. Advanced Material Technology

    • With a sealed plastic housing, this device ensures protection against environmental factors, providing durability and reliability in industrial settings.

  • 2. Innovative Interactive Design

    • With its floatless design, you can monitor liquid levels without the need for a physical float, making it ideal for environments where traditional float switches are impractical.

  • 3. Superior Performance Parameters

    • With a low power consumption of 3.5 VA and compatibility with standard electrical systems (220 VAC, 50/60 Hz), this switch offers efficient energy usage and seamless integration.

  • 4. Versatile Scenario Solutions

    • With its adaptability for both industrial and general-purpose applications, this level switch provides a versatile solution for liquid level monitoring across various sectors.

  • 5. Certified Safety Standards

    • With CE certification, this product meets European safety standards, ensuring reliable and safe operation in both commercial and industrial environments.

Product details

Original Level Relay Water Level Controller with Float Less Level Switch 61F-GP-N AC220V 110V Sealed Protection

The Original Level Relay Water Level Controller with Floatless Level Switch 61F-GP-N is an advanced solution for monitoring liquid levels without the need for a traditional float. Encased in a robust beige plastic housing, this device operates efficiently on standard household electricity and is designed for industrial, telecommunication, and general-purpose applications.

Technical specifications

FeatureSpecificationBenefit
Source Voltage220 VACCompatible with standard household electrical systems
Power Consumption3.5 VA MaxEnergy-efficient operation
Frequency50/60 HzSuitable for use in global electrical systems
Secondary Voltage8 VACProvides stable output voltage
Capacitance1000 pFEnhances sensitivity in level detection
CertificationCEEnsures compliance with European safety standards
Contact LoadLow PowerIdeal for low-power applications
Protect FeatureSealedOffers protection in harsh environments
Terminal ShapePlug-inEasy installation and maintenance

Customization guide

Adjustable parameters such as power consumption and frequency allow customization to meet specific system requirements and enhance the device's sensitivity to suit unique application scenarios.

Get inspired

With the Floatless Level Switch, you can ensure precise liquid level monitoring in challenging environments, making it a superior choice over traditional float-based systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
SensitivityStandard+15%+30%*
DurabilityBasicEnhancedPremium
EfficiencyStandard+20%+40%*

Supplier's note

  1. The Pro version's capacitance – triple the industry standard – enables precise monitoring in non-conductive liquids. When paired with its sealed protection feature, this ensures durability in corrosive environments.
  2. For general-purpose use, the Base Model offers reliable performance. The Advanced Model is recommended for telecommunications, while the Pro Model is optimal for industrial applications requiring enhanced durability and sensitivity.

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Floatless Level SwitchIndustrial liquid level monitoringEncased in light brown plastic, operates on 220 VACNon-contact liquid detection (ideal for corrosive environments)Limited to specific industrial applications
Control RelayGeneral industrial control systemsLow power consumption (3.5 VA Max)Energy efficient (suitable for continuous operation)May not handle high power loads
Sealed Protection RelayHigh-humidity or corrosive environmentsSealed design with CE certificationEnhanced durability (protection against moisture and dust)May require specific installation conditions
Industrial Control RelayTelecommunication and power systemsPlug-in terminal shapeEasy installation and replacementLimited customization for non-standard systems
Protection RelayElectrical system protectionOperates at 50/60 Hz frequencyStandard compatibility (fits typical electrical systems)Frequency limitations for specialized applications
Power RelayGeneral purpose switching1000 pF capacitance (stores electrical energy)Reliable switching (maintains consistent performance)Capacitance may not suit all application needs

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏭 Industrial Maintenance Engineer Review

⭐⭐⭐⭐⭐ James Carter - Industrial Plant Maintenance
"Reliable and maintenance-free operation in our cooling tower system. The floatless design has eliminated the mechanical failures we used to get with traditional float switches. Installed in January 2025 and still performing flawlessly after 7 months in a high-humidity environment."

Purchase Date: January 2025 | Usage Period: 7 months

📡 Telecommunications Facility Technician Review

⭐⭐⭐⭐⭐ Lena Park - Telecom Site Manager
"We’ve deployed the Advanced Model across 12 remote telecom shelters for sump monitoring. The +15% sensitivity and sealed protection have been critical in preventing false alarms. Easy plug-in installation saved us hours during rollout. No issues even during monsoon season."

Purchase Date: April 2024 | Usage Period: 8 months

💧 Water Treatment Operator Review

⭐⭐⭐⭐☆ Marcus Reed - Municipal Water Facility
"Solid performance in our chemical dosing tanks. The CE-certified sealed housing gives us confidence in safety compliance. Only reason for 4 stars is the initial calibration took longer than expected — but once set, it’s been rock solid for 5 months."

Purchase Date: February 2025 | Usage Period: 5 months

🏗️ General Contractor Review

⭐⭐⭐⭐⭐ Anita Desai - Building Systems Contractor
"Used the Base Model in three commercial HVAC installations. The low power consumption (3.5 VA) and 220 VAC compatibility made integration seamless with existing control panels. Clients appreciate the reliability, and I love that there are no floats to jam or corrode."

Purchase Date: November 2024 | Usage Period: 6 months

⚙️ Industrial Automation Specialist Review

⭐⭐⭐⭐⭐ Dmitri Volkov - Process Control Engineer
"The Pro Model is worth every penny for aggressive environments. We’re using it in a wastewater plant with non-conductive slurry, and the triple-standard capacitance allows accurate detection where other sensors failed. After 4 months, zero drift or false triggers."

Purchase Date: March 2025 | Usage Period: 4 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 67 reviews (75.3%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (20.2%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Industrial Automation Expert Recommendation

Dr. Elena Fischer - Industrial Sensing & Control Specialist
"The 61F-GP-N series represents a significant leap in non-contact level sensing. Its sealed floatless design eliminates a major failure point in traditional systems. For industrial and telecom applications, I strongly recommend the Advanced and Pro models for their enhanced sensitivity and durability."

Environmental Systems Engineer Recommendation

Rajiv Mehta - Water Management Systems Consultant
"Having evaluated dozens of level controllers, this floatless relay stands out for its energy efficiency and environmental resilience. The 3.5 VA power draw allows for use in solar-powered remote monitoring stations. A smart choice for modern, low-maintenance infrastructure."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game Changer for Corrosive Liquids" - Fiona Hughes (Chemical Processing)

Posted: 2 days ago

"We replaced corroded float switches in acid storage tanks — zero issues since installation. The sealed protection is no marketing gimmick. Highly reliable."

⭐⭐⭐⭐⭐ "Perfect Fit for Our Telecom Cabinet" - Daniel Torres (Network Infrastructure)

Posted: 1 week ago

"Compact, sensitive, and rugged. Exactly what we needed for condensate monitoring. Easy setup and no maintenance required."

⭐⭐⭐⭐☆ "Great for Standard Applications" - Olivia Chen (Facilities Management)

Posted: 3 weeks ago

"Using the Base Model in rooftop HVAC units. Performs well, though I wish the manual had more calibration examples. Still, a solid upgrade from older relays."

🎯 Reviews by Use Case Category

🏭 Industrial Applications (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Sealed protection (95% mentioned)
  • High durability in corrosive environments (90% mentioned)
  • Floatless reliability (97% mentioned)

📡 Telecommunications (25 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Plug-in terminal ease (92% mentioned)
  • Low power draw (88% mentioned)
  • Stable performance in humid enclosures (94% mentioned)

🏢 Commercial & General Purpose (26 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Easy installation (90% mentioned)
  • Compatibility with 220 VAC systems (96% mentioned)
  • Energy efficiency (85% mentioned)

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