Hollysys ALZK-500 - Solid-Level-Detect/Overload-Alarm-Trigger - Dustproof Adjustable-Shaft Rotary Paddle Level Switch
ALZK-500 Rotary Paddle Level Switch
The ALZK-500 is an adjustable-torque rotary paddle switch for bulk solids, featuring 316L shaft construction, IP65 rating, operating temperature range of -40°C to +80°C, and SPDT relay output.
Application – Silo Level Protection & Process Interlock
Designed for use in grain, cement, and coal silos for high/low level alarm, anti-overfill/empty protection. Features vibration-resistant construction, requires no calibration, and pairs seamlessly with Hollysys RTU/PLC systems.
Product Specifications: Hollysys ALZK-500 Series
| Parameter |
Specification |
| Product Model |
ALZK-500 Series Resistant Rotation Level Switch |
| Measuring Range |
0 ~ 2000 mm |
| Operating Temperature |
-10°C ~ 350°C |
| Power Supply |
AC220V (50/60Hz) or 24VDC |
| Power Consumption |
3W |
| Contact Capacity |
AC250V 5A SPDT |
| Rotating Speed |
1 RPM |
| Torque Force |
0.5 ~ 1.0 kg*cm |
| Process Connection |
Screw Type, Flange Type, or Steel Rope Type |
| Explosion-proof Rating |
Exd IIC T4~T6 Gb; Exd DA21 IP65 T85°C |
Packaging & Shipping
Company Introduction
Xiamen Zhicheng Automation Technology Co., Ltd. is a professional supplier of industrial automation products and solutions, dedicated to providing reliable, cost-effective, and high-performance products to customers worldwide.
With extensive experience in industrial automation and process control, we specialize in supplying a comprehensive range of automation components for industries such as oil & gas, power generation, petrochemical, water treatment, manufacturing, and industrial infrastructure.
Our Main Products
- PLC Interface Modules
- I/O Systems and Interface Solutions
- Signal Isolators and Signal Converters
- Relays and Relay Modules
- Industrial Power Supply Units
- Control Valves and Actuators
- Industrial Pumps
- Process Instrumentation
Why Choose Us
- Professional industrial automation supplier
- High-quality products with competitive pricing
- Fast response and technical support
- Reliable supply chain and stable product availability
- Customized solutions for industrial applications
- Global export experience and customer-oriented service
We are committed to helping customers improve operational efficiency, system reliability, and process performance through dependable automation products and professional support.
Whether you are an end user, system integrator, engineering contractor, or distributor, Xiamen Zhicheng Automation Technology Co., Ltd. is ready to become your trusted partner in industrial automation.
