PELC PT414 Liquid Level Controller 8-Pin – Pendant Electrodes & Single-Contact Relay
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Description
Description
The PELC PT414-8 pin controls the level of conductive liquids in tanks and wells. It connects to three pendant-type electrodes and operates by measuring the resistance of the liquid between them. The relay activates when the liquid reaches the upper electrode and deactivates when the level drops below the middle electrode.
The lowest electrode acts as a reference and can be replaced by earth when the tank is metallic. Safe low AC voltage between the electrodes prevents electrolysis. An 8-pin socket base (code 525086) is required for installation and is sold separately.
Key Features
- Three-electrode (pendant type) measurement principle based on liquid resistance
- Relay activates at upper electrode level; deactivates below middle electrode
- Safe low alternating voltage between electrodes prevents electrolysis
- Varistor protection against voltage surges and lightning
- Dual LED indicators: POWER ON and RELAY ON
Product Benefits
- Resistance-based detection works reliably with any conductive liquid without moving parts
- Adjustable threshold via reference electrode placement adapts to different tank geometries
- Varistor surge protection extends service life in electrically noisy installations
- Maximum cable length of 500m for electrode connections suits large tanks or deep wells
- Compatible variants available with double-contact relay (PT414.2C-11) or 11-pin base (PT414-11)
Technical Specifications
- Model: PT414-8
- Power Supply: 230V AC / 50Hz
- Max. Liquid Resistance: 20kΩ
- Max. Electrode Voltage: 24VAC
- Output Relay: 1 switching contact, 10A / 250VAC cat. AC1
- LED Indicators: POWER ON and RELAY ON
- Surge Protection: Varistor (surges and lightning)
- Electrode Cable Cross-section: 1–2.5mm²
- Max. Electrode Cable Length: 500m
- Operating Temperature: -20°C to +50°C
- Package Dimensions (L×W×H): 10.50×5×10cm
- Weight: 0.200kg
Why You'll Love It
- Simple three-electrode wiring makes installation straightforward for qualified electricians
- 8-pin plug-in base (code 525086) allows the unit to be swapped without rewiring
- Compact relay body fits standard DIN rail or panel-mount enclosures
- Package includes 1× PELC PT414-8 pin fluid level controller
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