Towa Seiden Kogyo Co.
Towa Seiden HL-400HG Paddle Type Level Switch Heat-Resistant Protective Tube Type

Manufacturer: Towa Seiden Kogyo Co., Ltd.
Model: HL-400HG
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 model supports extended lengths while maintaining heat resistance up to 100°C. Therefore, it performs reliably in high-temperature environments. Moreover, the protective tube design enhances structural stability. In addition, it safeguards internal components during continuous operation. As a result, the product delivers consistent performance over time. Furthermore, it suits applications that require durability and thermal reliability. Consequently, users benefit from safer operation and longer service life.
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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