Overview
The Gems 140620 is a liquid level switch from the LS-7 Series, engineered for cost-effective point-level detection in small tanks and vessels. This single-pole single-throw (SPST) switch combines a durable plastic float mechanism with a hermetically sealed magnetic actuator, delivering reliable performance across water, oils, and chemical applications. Horizontal mounting through the tank side at detection point makes installation straightforward for OEM and retrofit applications.
Key Features
- SPST switch with selectable normally open or normally closed operation (rotate 180°)
- Float design automatically tracks liquid level changes without external power
- Hermetically sealed magnetic reed switch eliminates contamination risk
- Engineered plastic construction compatible with water, oils, fuels, and broad chemicals
- Compact 11/16″ diameter float for restricted-space installations
- No moving electrical contacts—float and shuttle mechanism only
Technical Specifications
- Part Number: 140620
- Series: LS-7 Type 5
- Switch Type: SPST
- Switch Rating: 20 VA
- Maximum Pressure: 100 psi (6.8 bar)
- Operating Temperature: –40°F to 250°F (–40°C to 121°C)
- Mounting Size: 1/2″ NPT Male
- Mounting Style: Horizontal (external tank side)
- Float Diameter: 11/16″
- Primary Material: Engineered plastic (Nylon)
- Wetted Materials: Nylon stem and float
- Electrical Termination: 24″ Lead Wire, 22 AWG, TPE Zip Cord
- Minimum Liquid Specific Gravity: 0.65
- Certifications: Standard industrial
Typical Applications
- Automotive fuel tanks and reservoirs
- Water and beverage dispensing equipment
- Hydraulic and lubricant reservoirs
- HVAC and refrigeration systems
- Food and beverage processing
- Transportation and OHV fuel monitoring
- Small boiler and tank systems
- Packaging and plastics machinery
Compatibility & Replacements
Compatible With
- 24 VDC and 120 VAC control circuits (20 VA rated)
- PLC and industrial control systems with digital inputs
- Motor starters and pump controls
- Automated tank fill/drain logic
- HVAC/R equipment with point-level sensing
- Any system requiring low-power level detection at 0.65+ specific gravity liquids
Replaces / Drop-In Replacement For
- Gems LS-7 Series variants with same 1/2″ NPT mounting and SPST 20 VA rating
- Generic float switches in equivalent LS-7 horizontal configuration
- Other point-level sensors requiring selectable normally-open/closed operation
Works With
- Standard low-voltage relay modules and solid-state outputs
- Legacy and modern PLC discrete input modules
- Motor control centers and starter circuits
- Flow control and pump sequencing systems
- Tank alarm and monitoring networks
