Application-Based Selection
Check the model drawings and terminal configuration against your equipment before integrating the switch.
PRODUCT LINE / CUSTOM SOLUTIONS / TECHNICAL SUPPORT
OEM & Custom Solutions
Explore product specifications, application requirements and customization options for your equipment.
FOR OEMS / REF 17
WDK-3AL / WDK-3BL Emergency Disconnect Switch
Review the electrical ratings, connection options and installation details for this switch configuration.
- Application-based electrical specification review
- Electrical and mechanical compatibility
- Technical discussion for OEM requirements
- Sample evaluation and bulk sourcing coordination
Industrial Switch Specifications
Confirm the circuit ratings, switch positions, mounting dimensions and terminal connections for your application.
WDK-3AL / WDK-3BL Emergency Disconnect Switch
- Maximum load voltage
- 96 V DC
- Rated fault current breaking capacity (5 ms)
- 1,000 A at 96 V DC
- Features：
- It has a set of bridge normally open contacts, preset with permanent magnets,
- and a maximum load voltage of 96V DC.normally open contact、a group of auxiliary
- contact.
- Rated fault current breaking capacity (Icn) 5ms: 1000A×96V DC；
- Fully in line with ROHS requirements.
| Connection type | Bolt connector | Mounting method | Panel screw mounting |
|---|---|---|---|
| Stationary contacts | Silver-copper alloy | Moving contacts | Silver-copper alloy |
| Base material | Phenol-wakeplastic | Handle material | ABS engineering plastic |
| Electrical life | 10,000time | Operating temperature | -40℃~+85℃ |
| Mechanical life | 100,000time | Operating humidity | 5%～90% |
| Protection rating | IP20 |
| Product Parameter | Units | WDK-3AL | WDK-3BL |
|---|---|---|---|
| Rated main contact voltage | VDC | 48 | 96 |
| Rated main contact current | A | 250 | |
| Continuous operating current of main contact | A | 250 | |
| contact drop | mV | ≤80 | |
| Maximum breaking capacity of main contact | A | 1000 A; energization time ≤ 5 ms | |
| Pull force of the handle upwards | VDC | 35~60 | |
| pressing down on the handle | A | 15~50 | |
| Electrical life of main contact | N | 10000 | |
| Mechanical life | N | 100,000 | |
| Voltage resistance | VAC | 1000VAC 50 Hz/60 Hz ,1 minute(leakage current does not exceed 5mA) | |
| Insulation resistance | MΩ | 100（500VDC） | |
| Operating temperature | ℃ | 40～+85 | |
| Operating humidity | / | 5%～90% | |
| Impact | m/s | 196 | |
| Vibration | mm | Sinusoidal vibration, 1.5 mm double amplitude, 10 Hz~500 Hz, acceleration 49 m/s² | |
| Rated duty system | / | Uninterrupted | |
| Weight (approx) | g | 500 | |
| Degree of Protection | / | IP20 | |
| Enforce the standard | / | GB/T 14048.5/IEC60947-5-1 | |
Installation instructions
- Remove the red handle first, then attach the product to your device and secure it with M5 screws with a 47mm spacing between the mounting holes, then attach the red handle and tighten the handle. When the handle is pushed and pulled, there is a crisp sound, and the assembly is completed.
Please refer to the technical datasheet for the exact ratings and operating conditions of each model.
TECHNICAL DRAWINGS
Drawings & diagrams
Open a figure to inspect the dimensions and configuration details.
Designed Around Your
Equipment Requirements
Electrical and Mechanical Compatibility
Confirm the circuit ratings, switch positions, mounting dimensions and terminal connections for your application.
OEM and Customization Support
Discuss your application, technical parameters and installation constraints with our team. Available options depend on the product platform, engineering feasibility and order requirements.
Industrial Switch
Applications
- Vehicle electrical systems
- OEM equipment assemblies
- Application-specific control circuits
Check the model drawings and terminal configuration against your equipment before integrating the switch.
OEM Industrial Switch
Sourcing
For equipment manufacturers, consistent specifications and reliable supply arrangements are important throughout the product lifecycle.
When evaluating a supplier, consider technical documentation, sample verification, production consistency, customization feasibility and long-term sourcing requirements.
FAQ
Frequently
Asked
Questions
Discuss your requirements
Send us your specifications, drawings or existing part number to discuss product suitability, customization feasibility and quotation requirements.
Request a quoteWhat should I check before selecting this switch?
Confirm the circuit ratings, switch positions, mounting dimensions and terminal connections for your application.
Can I request a customized contactor?
Customization depends on the model and technical requirements. Share your specifications or drawings so the feasibility of your requested configuration can be reviewed.
Can I request samples before bulk purchasing?
Sample availability, cost and lead time should be confirmed for the selected model before placing an order.
What information is needed for a quotation?
Provide the model number, required quantity, electrical specifications, intended application and any special technical or packaging requirements.