This safety door limit switch has a 24VDC voltage rating and a 1NO+1NC contact configuration, making it suitable for a wide range of limit door safety applications. Its green indicator current is only 1mA to ensure low power operation. The solenoid has a rated operating voltage of DC24V, an initial current of 200mA, a power of 4.8W, and an insulation class of Class B (130℃). The shell material is PA66 flame retardant material, protection grade IP67, mechanical life over 1 million times, electrical life over 150,000 times. The rated insulation voltage is 300V for AC-15 and DC-13 categories, and can withstand a maximum short circuit current of 1000A. This limit switch is easy to operate and is suitable for use in a variety of industrial environments to ensure safe and reliable operation of equipment.
Specification
Model |
ATO-DX-W2 |
Rated Voltage |
24VDC |
Indicator Lamp Rated Current |
1mA |
Indicator Light Source Color |
Green |
Solenoid Rated Working Voltage |
DC24V±10% |
Solenoid Rated Current |
200mA (initial value) |
Solenoid Rated Power |
4.8W |
Solenoid Insulation Rating |
Class B (130℃) |
Housing Material |
PA66 flame retardant |
Conduit Port Size |
M20 |
Contact Material |
Silver Alloy Plated |
Protection Class |
IP67 |
Operating Key |
K1/K2/K3/K4 (optional) |
Service Life |
Mechanical more than 1 million times |
Electrical more than 150,000 times |
Tensile Strength at Locking |
1300N |
Rated Insulation Voltage |
300V |
Rated Impulse Withstand Voltage |
2.5kV |
Rated Open Thermal Current |
10A |
Use Category |
AC-15/DC-13 |
Rated Working Voltage |
AC-15: 240V; DC-13: 30V |
Rated Working Current |
AC-15: 3A; DC-13: 2.3A |
Rated Limit Short Circuit Current |
1000A |
Forced Disengagement Distance Action Force |
≥80N |
Forced Disengagement Distance |
≥10mm |
Allowable Operating Speed |
0.05-0.5m/s |
Allowable Operating Frequency |
Max. 20 operations/min |
Ambient Temperature |
-20℃-60℃ without icing |
Ambient Humidity |
Below 85%Rh |
Weight |
≤1000g |
Note: If you need to match the key with the unlocking parts, and the individual details of the key installation please click on the PDF document to view.
Detail
![Door limit switch details](/Content/Images/uploaded/product/door-limit-switch-details.jpg)
The safety limit switch is compact and lightweight, easy to install, with a variety of contact configurations, a locking function is the lowest cost solution, and a variety of operating keys are available for a wide range of applications as mounting options on protective doors.
Size (unit:mm)
![Door limit switch size](/Content/Images/uploaded/product/door-limit-switch-size.jpg)
Connection
![Door limit switch connections](/Content/Images/uploaded/product/door-limit-switch-connections.jpg)
Applications
![Door limit switch applications](/Content/Images/uploaded/product/door-limit-switch-applications.jpg)
Tips: Installing the door limit switch correctly
- Select the Location: Determine where the door will be when it is fully closed and install the limit switch there. Ensure that the switch can be fully depressed by the door.
- Fixed Installation: Securely fix the limit switch to the door frame using screws or adhesive to ensure it is stable and will not come loose.
- Commissioning and Testing: After installation, open and close the door several times to ensure that the limit switch can be accurately triggered and restored.
- Wiring Connection: Correctly connect the wires of the limit switch according to the circuit diagram provided by the manufacturer, make sure the wiring is firm and avoid short circuit.
- Safety Protection: When installing and wiring, make sure to cut off the power supply to avoid the risk of electric shock. These tips can help you install the door limit switch better and ensure its stable and reliable operation.