Towa Seiden Kogyo Co.
Towa Seiden HL-400G Paddle Type Level Switch Protective Tube Type

Manufacturer: Towa Seiden Kogyo Co., Ltd.
Model: HL-400G
Features
The Paddle-Type Level Switch is highly versatile, capable of measuring the levels of nearly all powders and particles, ensuring broad applicability. Additionally, with a wide range of available options, it can adapt to various operating environments, offering flexibility across different settings. Moreover, the design is simple and easy to handle by anyone, eliminating the need for adjustments. Due to its straightforward mechanical structure, the operation principle is intuitive and easy to grasp, making it a reliable choice for numerous industrial applications.
This extended-length model builds on the standard design and therefore supports longer installations. Moreover, it adds a protective tube, so it maintains shaft strength and improves durability. In addition, it offers four selectable length options, which increases flexibility. As a result, users can match the device precisely to their application. Consequently, installation becomes easier and performance remains stable across different operating conditions.
Specifications
| Specifications | |
|---|---|
| Power Supply Voltage | AC100/110V 50/60Hz Optional: AC200/220V 50/60Hz (other voltages available) |
| Mounting | Threaded type G3/4 |
| Power Consumption | 1.5W |
| Contact Output | 1C contact, AC250V 5A (resistive load) |
| Detection Torque | Approx. 4.9 N·cm |
| Slip Torque | 2.0 – 17.0 N·cm |
| Rotation Speed | 1 RPM |
| Material | Body case / Flange: Zinc die-cast Shaft / Spring: SUS304 Seal: Nitrile rubber, Silicone rubber (heat-resistant) |
| Operating Temperature | Inside tank: Max. 60°C Outside tank: Max. 55°C |
| Operating Pressure | Tank internal pressure: 0 – 30 kPa |
| Paint Color | Munsell 7.5BG4/1.5 |
| Lead Wire | VCTF 0.75 sq × 5C, 500 mm length (UL-compliant wire type also available) |
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