Tsurumi LB-480A-62 Automatic Submersible Dewatering Pump | 0.5 HP 115V

Product Details

The Tsurumi LB-480A-62 is a smart, automatic version of the legendary LB-480 dewatering pump. Designed for professional use, this 0.5 HP submersible pump features an integrated electronic water level sensor that eliminates the need for external float switches. It solves the problem of "dry running" and manual monitoring by automatically starting when water touches the electrode and stopping when the level drops. Its slim, top-discharge design allows it to fit into tight 8-inch casings while ensuring the motor stays cool during operation.

Key Features:

• Integrated Automatic Sensor: The solid-state Level Sensor (electrode) automatically manages pump operation, preventing dry-run damage and reducing energy consumption.
• Slimline Design: At only 7-11/16" wide, the top-discharge configuration allows for installation in narrow sumps, pipes, and manholes.
• Urethane Semi-Vortex Impeller: Offers superior resistance to abrasive materials like sand, silt, and grit, maintaining high performance in harsh construction environments.
• Dual Inside Mechanical Seal: Engineered with Silicon Carbide faces and submerged in an oil chamber to provide the ultimate protection against motor water-ingress.
• Patented Oil Lifter: Provides continuous lubrication and cooling to the seal faces, even if the pump is tilted or oil levels are low.

Specifications:

• Motor Output: 0.5 HP (0.48 kW)
• Voltage: 115V / 1-Phase / 60Hz
• Discharge Size: 2" NPT (Top Discharge)
• Max Flow Rate: 62 Gallons Per Minute (GPM)
• Max Head: 39.5 Feet
• Cable Length: 50 Feet (Heavy-Duty)
• Sensor Type: Electronic Electrode (No moving parts)

Installation & Maintenance Tips:

• Sensor Sensitivity: Ensure the electrode is kept clean. Accumulation of oil or thick sludge on the sensor may prevent the pump from accurately detecting water levels.
• Vertical Installation: While the pump is rugged, it should be installed on a flat, stable surface. The rubber-lined base protects the surface and prevents the pump from "walking" during startup.
• Strainer Maintenance: Periodically inspect the suction strainer for debris. A clear intake is essential for the flow-through cooling system to protect the motor.

Common Uses/Applications:

• Residential & Commercial Sumps: Perfect for basements or utility rooms where automatic, unattended water removal is required.
• Construction Dewatering: Efficiently manages water levels in trenches or excavations without the need for a technician to manually toggle power.
• Industrial Maintenance: Ideal for draining elevator pits, parking lot catch basins, and shipping docks.

Common Questions:

Q: How does the "A" model differ from the standard LB-480?

A: The "A" signifies Automatic. It includes the built-in sensor. The standard LB-480 is a manual pump that runs as soon as it is plugged in.

Q: Does the sensor work in very pure water?

A: The sensor works via conductivity. In extremely rare cases of ultra-pure distilled water, the sensor may not trigger, but it works perfectly with standard groundwater, rain, and tap water.

Q: Can I override the automatic sensor?

A: The pump is designed to be automatic. If you require manual operation, the standard LB-480 model is recommended.

Combining Tsurumi's world-class durability with advanced sensor technology, the LB-480A-62 is the perfect solution for hands-free, reliable dewatering in demanding professional environments.