Industrial HL-400G Rotary Paddle Level Switch

Description:

The Towa Seiden HL-400G Level Switch is used in bulk material level detection systems to monitor high and low material levels in hoppers, silos, and storage tanks using a rotary paddle sensing mechanism. Commonly installed in plastic processing equipment, grain handling systems, powder storage tanks, and industrial conveying systems requiring a protected shaft, 200 mm insertion length, and 200/220 VAC operation. Maintenance teams, OEMs, and system integrators use this part for equipment repair, replacement, retrofit, or system expansion.

Applications:

The Towa Seiden HL-400G Level Switch is commonly used in injection molding machines, extrusion systems, material dryers, storage hoppers, silos, and bulk solids handling equipment where reliable level detection helps prevent overflow, maintain material supply, and improve process automation.

Technical Specifications:

• Manufacturer: Towa Seiden
• Manufacturer Part Number (MPN): HL-400G
• Product Type: Rotary Paddle Level Switch
• Supply Voltage: AC 200/220 V, 50/60 Hz
• Insertion Length (L): 200 mm
• Mounting Type: G3/4 in Screw-In Connection
• Detection Method: Rotary Paddle
• Power Consumption: 1.5 W
• Contact Output: 1C Contact, AC 250 V, 5 A (Resistive Load)
• Detection Torque: Approx. 4.9 N·cm
• Rotation Speed: 1 RPM
• Shaft Material: SUS304 Stainless Steel
• Case Material: Aluminum Alloy (Die Cast)
• Protection Type: Protective Tube (HL-400G Series)
• Application: Bulk Solids Level Detection in Hoppers and Silos

Common Replacements:

• Towa Seiden HL-400G Rotary Paddle Level Switch
• Towa Seiden PRL-101 Rotary Paddle Level Switch
• FineTek SE Series Rotary Paddle Level Switch