Technical Specifications
1. Product Model: DS1AG-602-01
2. Circuit Type: 2-circuit, 1-contact, normally closed
3. Rating: DC 12Y 01A (Resistant to load)
4. Operating Temperature Range: -10”~+60”
5. Storage Temperature Range: -20”-+85°C
6. Construction and Mechanical Properties:
6-1 Dimensions: As shown in the outline drawing.
6-2 Stroke Position: As shown in the outline drawing.
6-3 Operating Force: Apply a downward force of less than 0.35N (36gf) to the handle.
6-4 Terminal Strength: Apply a static load of 0.3N (<31gf) to the terminal tip in any direction for 1 minute, repeating this test on each terminal. The terminal should not bend, and the mechanical and electrical properties should show no abnormalities after the test.
6-5 Operating Part Strength: Must withstand 1N for 15 seconds in each direction. (102gf) static load.
6-6 Operating part loosening: Apply a static load of 0.5N (51gf) to the end of the operating part. The loosening amount in each direction should be within 1mm.
6-7 Solderability: Immerse both ends of the terminal in a solder bath at 230±5C for 3±0.5s. After the test, more than 90% of the immersed part should be covered with a solder layer.
6-8 Solderability: Manual soldering temperature controlled at 300±5C for 3±0.5s; automatic soldering temperature controlled at 250±5C for 3±0.5s. After the test, there should be no abnormalities in appearance, mechanical properties, or electrical properties.
7. Electrical Performance
7-1 Contact resistance: Measured with a resistance tester, below 500mΩ.
7-2 Insulation resistance: Apply DC 100V voltage between each terminal mounting pin. The resistance should be above 100MΩ.
7-3 Withstand voltage: Apply AC voltage between each terminal mounting pin. 100V voltage, allowable leakage current of 0.5mA, must withstand 1 minute without breakdown or arcing.
7-4 Flutter and Sliding Noise (Jumping): Measured at a speed of 30mm/s under DC 5V 1mA (resistive load), the voltage variation of flutter and sliding noise should be above 1.5V. For the first two areas (A and C, 10ms each), T1 and T3 should be below 10ms.
Sliding noise (B area): T2 should be below 10ms. At least one T4 should be above 20ms. Areas with sliding noise below 1.5V for more than 250 seconds should be considered as other sliding noise.

8. Environmental Resistance
8-1 Heat Resistance: After 96 hours at +85±2C and 1 hour at normal temperature and humidity, mechanical and electrical properties should be normal, and the contact resistance in item 7-1 should be below 10Ω. The insulation resistance in item 7-2 should be above 10MΩ.
8-2 **Cold Resistance:** After being exposed to -20±2°C for 96 hours and then at normal humidity for 1 hour, the mechanical and electrical properties show no abnormalities, and the contact resistance (item 7-1) is below 10Ω. The insulation resistance (item 7-2) is above 10MΩ.
**8-3 Moisture Resistance:** After being exposed to 40±2°C and 90~95%RH for 96 hours, and then at normal temperature and humidity for 1 hour, the mechanical and electrical properties show no abnormalities, and the contact resistance (item 7-1) is below 10Ω. The insulation resistance (item 7-2) is above 10MΩ.
**8-4 Sulfurization Resistance:** After immersion in a 2% potassium sulfide solution at 15~25°C for 90 seconds, followed by rinsing with clean water, no discoloration is observed upon removal of the sample.
**8-5** Salt spray test: A salt solution concentration of 5 ± 1% (mass percentage) was maintained at 35 ± 2°C for 24 ± 1 hour. After the test, the deposit was rinsed off with water, and no obvious corrosion spots were observed on the metal parts.
9. Durability:
9-1 Lifespan: At DC 5V... In a 1mA resistive load circuit, after 50,000 opening and closing cycles at a rate of 15-20 cycles/min, the mechanical and electrical performance showed no abnormalities. However, the contact resistance (item 7-1) was below 10Ω, and the insulation resistance (item 7-2) was above 10MΩ.
9-2 Vibration Resistance: Using a vibration frequency of 10-55Hz and a scanning time of 1 minute, a logarithmic or approximately linear scanning vibration method was applied to three vertical directions, including the operating direction, with a vibration amplitude of 1.5mm and a vibration frequency of 2H. After the test, the mechanical and electrical performance showed no abnormalities.
9-3 Impact Resistance: After three impact tests in six vertical directions, including the operating direction, with an acceleration of 686m/s (70g) and an action time of 11ms, the mechanical and electrical performance showed no abnormalities.
10. Performance after tests 8 and 9:


DS1AB-601-01T Detection Switch / Limit Switch – Reliable Precision for Industrial Applications
Whenever I set up an automated system, one thing I always make sure of is having a high-quality detection switch. The DS1AB-601-01T Detection Switch / Limit Switch has consistently proven to be reliable, durable, and precise. I rely on it to monitor positions, control movement limits, and safeguard machinery across a variety of industrial environments.
Manufactured by Wenzhou Zhaoye Electronics Co., Ltd., established in 2007, this switch reflects over a decade of expertise in electronic components and switches. It’s widely used in industrial automation, robotics, CNC machinery, conveyor systems, packaging lines, and even complex logistics operations where precise motion detection is critical.

The DS1AB-601-01T is an electroMechanical Limit Switch that converts mechanical motion into an electrical signal. When a moving part contacts the switch actuator, the internal contacts change state, transmitting a signal to control systems like PLCs or relays. This ensures accurate movement detection, operational safety, and over-travel protection.
Industrial automation and conveyor travel monitoring
Robotic arm position feedback
Assembly line limit detection
Home appliance motion control
Packaging machinery cycle monitoring
High detection accuracy for precise positioning
Fast response for high-speed operations
Durable mechanical design for long service life
Compact construction for flexible installation
Stable contact performance ensuring reliable signal output
Industrial-grade resistance to dust, vibration, and humidity
| Feature | DS1AB-601-01T | Typical Limit Switch |
|---|---|---|
| Detection Accuracy | High | Medium |
| Response Speed | Fast | Average |
| Mechanical Life | High | Medium |
| Signal Stability | High | Moderate |
| Maintenance Frequency | Low | Medium |
Source: Industrial Automation Handbook, 2023
The DS1AB-601-01T operates by mechanically actuating internal contacts. When a moving part reaches its set position, the actuator is triggered, changing the contact state and sending an electrical signal to the control system. This enables:
Stopping or reversing equipment motion
Triggering alarms or safety warnings
Controlling sequential production steps
Ensuring over-travel protection
Providing accurate feedback in automated systems
| Technical Advantage | Operational Benefit |
|---|---|
| High-precision sensing | Reduces errors and ensures accurate machine positioning |
| Fast response | Supports high-speed automation and improves efficiency |
| Durable construction | Minimizes maintenance and replacement costs |
| Reliable contact design | Provides consistent signal transmission |
| Compact size | Allows installation in tight or constrained spaces |
| Industrial-grade durability | Operates reliably under vibration, dust, and humidity |
Source: Automation Systems Technical Guide, 2022
The DS1AB-601-01T is ideal for industries and applications requiring precise position detection and limit control:
Automated manufacturing and assembly lines
Industrial robotics and motion monitoring
Conveyor systems and material handling
Packaging machinery
CNC machinery and precision tooling
Warehouse automation and logistics
Home appliance manufacturing and control systems
Wenzhou Zhaoye Electronics ensures that every DS1AB-601-01T undergoes rigorous quality control:
Raw material inspection
Precision machining of components
Automated assembly and soldering
Mechanical and electrical performance testing
Anti-static and protective packaging
Final verification before shipment
Typical production lead time is 7–20 days depending on order volume. Shipping options include express, air, and sea freight. Payment methods accepted: bank transfer, credit card, Alipay, and international platforms.
Established manufacturer since 2007 with extensive industry experience
Professional R&D and engineering teams
Advanced production and testing facilities
OEM & ODM customization options
Strict quality management procedures
Global shipping and flexible payment methods
Reliable technical support and guidance
It detects machine positions, limits movement, and provides safety interlocks in automated systems.
Yes, it is ideal for robotic arms, CNC machinery, and automated production lines.
Typically 7–20 days depending on quantity and customization requirements.
Express courier, air freight, and sea freight.
Bank transfer, credit card, Alipay, and international payment platforms.
The DS1AB-601-01T Detection Switch / Limit Switch is a high-precision, durable, and reliable solution for industrial automation. Its fast response, robust construction, and compact design make it ideal for robotics, conveyor systems, CNC machinery, packaging lines, and logistics systems. With Wenzhou Zhaoye Electronics’ quality assurance and global support, it ensures safe and efficient operation in demanding industrial environments.
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