Product Overview
The LXW20-11M old model is a magnetic blow-out micro switch designed for industrial switching and safety control applications. It features a fully enclosed black plunger actuator, magnetic arc extinguishing structure, and reliable snap-action contact mechanism.
The fully enclosed plunger structure provides controlled mechanical operation while reducing dust and moisture influence. The magnetic blow-out design helps improve arc extinguishing performance during high-current switching operations.
This old version is widely used in elevator door locks, household appliance safety interlocks, machine tools, precision automation equipment, and electrical control systems.
Product Display
The LXW20-11M old version adopts a compact square housing design with a black plunger actuator, side metal terminals, clear terminal identification, and internal magnetic blow-out components.
Key Technical Data
| Item | LXW20-11M Old Version |
|---|---|
| Product type | Magnetic blow-out micro switch |
| Actuator type | Fully enclosed black plunger |
| Contact form | 1NO + 1NC snap-action |
| Arc extinguishing method | Magnetic blow-out structure |
| Contact material | Silver alloy contact |
| Housing material | Flame-retardant engineering plastic |
| Application | High-load switching and safety control |


Features
- Fully enclosed plunger actuator improves mechanical protection.
- Magnetic blow-out structure reduces arc damage during switching.
- Silver alloy contacts provide stable conductivity and long service life.
- Flame-retardant plastic housing provides insulation and heat resistance.
- Compact square design saves installation space.
- Clear terminal arrangement simplifies wiring.
- Suitable for safety interlock and industrial control applications.
Outline and Mounting Dimensions
The drawing provides the LXW20-11M old version housing dimensions, plunger structure, mounting holes, and terminal arrangement. Confirm installation position and actuator travel before mounting.

Contact Form

LXW20-11M old version uses a 1NO + 1NC contact structure. The normally open and normally closed contacts support flexible industrial control circuit designs.
Ratings
| Rating Type | Specification |
|---|---|
| Ordinary type AC-12 | 380V 16A |
| Ordinary type AC-15 | 400V 3A |
| Magnetic blow-out DC-12 | 380V 16A |
| Magnetic blow-out DC-12 | 250V 5A |
Specifications
Electrical
| Operating speed | 5mm to 0.5m/s |
| Operating frequency | Electrical: 30 operations/min |
| Contact resistance | 25mΩ max. initial value |
| Insulation resistance | 100MΩ min. at 500VDC |
| Dielectric strength | 1500VAC, 50/60Hz for 1 minute |
Mechanical and Environmental
| Vibration | 10-55Hz, 1.5mm double amplitude |
| Shock | Mechanical durability approx. 100G; malfunction approx. 30G |
| Ambient temperature | -20°C to +70°C, no icing |
| Humidity | 85% RH max. |
| Electrical life | 100,000 operations above |
Operating Characteristics
LXW20-11M old version is designed for reliable plunger operation. The actuator should be operated within the recommended travel range to maintain switching performance and service life.
Selection Guide
Actuator Type
Select LXW20-11M old version when a fully enclosed plunger actuator and magnetic arc extinguishing function are required.
Electrical Load
Confirm rated voltage, current, load type, and switching frequency before selection. Magnetic blow-out versions are suitable for applications requiring improved arc control.
Application Environment
The flame-retardant housing and enclosed actuator structure make this model suitable for industrial and safety-related equipment.
Wiring Configuration
Connect NO and NC terminals according to the equipment control circuit requirements.