The SMC D-Z73 is a contact-type SMC switch widely used in industrial automation. As a reliable SMC reed switch, it plays a key role in SMC pneumatics products, detecting piston positions in pneumatic systems with precision. It is designed to be compact and reliable, making it suitable for various industrial environments and capable of providing precise control signals for cylinders. The SMC switch is commonly integrated into SMC pneumatics products to enhance automation and efficiency.

Product Specifications
Type: Contact-type magnetic switch
Output Method: 2-wire, direct wiring, horizontal lead-out
Wire Length: Standard type is 0.5 meters; optional lengths include 3 meters (D-Z73L) and 5 meters (D-Z73LZ).
Applicable Voltage: DC24V and AC100V
Load Current: Maximum 50mA
Operating Temperature Range: -10°C to 60°C
Indicator Light Function: When ON, the red LED lights up, allowing for intuitive observation of the switch status.
Product Features
High Reliability: The contact-type design ensures stability and reliability in various environments.
Easy Installation: The direct wiring design simplifies the installation process and improves efficiency.
Wide Voltage Compatibility: Suitable for both DC24V and AC100V, adapting to diverse power supply environments.
Precise Control: Ideal for use with DC24V relays and PLCs, ensuring precise control.
High Manufacturing Standards: Complies with CE standards, ensuring durability and safety.
Applications
The SMC D-Z73 switch is suitable for a variety of industrial automation applications, including but not limited to:
Pneumatic Systems: For detecting the position of cylinder pistons to achieve precise control, making it an essential component of SMC pneumatics products.
Clean Room Environments: Suitable for semiconductor manufacturing and biopharmaceutical industries, where its transparent housing and contact-type design meet high cleanliness requirements.
Mechanical Processing and Assembly Lines: For position detection in automated equipment, ensuring production efficiency and accuracy.
Instructions for Use
Installation Environment: Avoid using in strong magnetic fields or high-current environments. If necessary, install a shielding device.
Wiring Requirements: Connect the red wire to the positive power supply and the black wire to the negative. Do not connect directly to the power supply; it must be connected in series with a load (such as a relay).
Installation Position: Ensure the SMC switch is aligned with the cylinder's magnetic ring to avoid false triggering.
Maintenance and Precautions
Voltage and Current: Avoid exceeding the rated voltage and current.
Electromagnetic Interference: When used in strong magnetic fields, it is recommended to install a shielding device.
Environmental Conditions: Avoid using in high-temperature, high-humidity, or corrosive environments.
Visual Inspection: Regularly check for any damage to the switch housing and loose wires.
Cleaning and Maintenance: Keep the SMC reed switch surface clean to prevent dust accumulation that could affect performance.
Frequently Asked Questions and Answers
Is the signal output of this switch stable?
The SMC reed switch offers stable signal output, making it ideal for precise control in industrial automation. Its wide voltage compatibility (DC24V and AC100V) enhances its reliability across different environments.
What kind of environment is this switch suitable for?
It is designed to operate in temperatures ranging from -10°C to 60°C and withstand various industrial conditions. Its CE-certified design makes it ideal for clean rooms and high-precision control scenarios.
What should be noted during installation?
Ensure proper alignment with the cylinder’s magnetic ring to avoid false triggering. Avoid using it in strong magnetic fields or high-current environments, and install a shielding device if necessary.
What precautions should be taken during maintenance?
Regularly inspect the appearance and wire connections, and keep the surface clean. During testing, ensure the output signal remains stable.
How long is the lifespan of this switch?
The contact-type design ensures stability and durability in various environments. The high-quality manufacturing process, compliant with CE standards, further enhances its longevity.
How to choose the appropriate wire length?
This SMC switch offers multiple wire length options, including 0.5 meters (standard type), 3 meters, and 5 meters. Users can select the appropriate model based on their installation needs.
What is the function of the indicator light?
When ON, the red LED lights up, allowing users to intuitively observe the switch status and confirm operation.
Is this switch suitable for clean room environments?
The design meets high cleanliness requirements, making it ideal for controlling pneumatic slides in semiconductor and biopharmaceutical applications.
What is the load capacity of the SMC switch?
It has a maximum load current of 50mA, making it compatible with DC24V relays and PLCs.
Is the installation process simple?
The direct wiring design of the SMC switch simplifies installation, improving efficiency and reducing setup time.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a one-stop integrated service provider of intelligent manufacturing, belongs to the Gong Doctor Group, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1). Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3). At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.