Small Dustproof Two-Pole Limit Switch with Press Lever as a representative product of Tongda WEIPENG that embodies the integration of core standardization and customization. As a manufacturer and wholesaler, the core design principle of the durable smart appliance reset switch produced by our own factory is 'stability, reliability, and scenario compatibility.' Rating: 5A 250VAC Temperature Range: -40°C~+125°C IP Code: IP40 Dimension: 19.8*10.6*6.4mm Approval:UL, ENEC, CSA, CE, VDE
Micro Switch Introduction
Working Principle and Structural Features
The HK-04G-L uses a snap-action mechanism, with a precision spring plate as its core internal structure.
Key Advantages: Even if external force is applied slowly to the switch's actuator lever, the internal spring plate will suddenly flip at a certain critical point in the travel, driving the contacts to make or break at very high speed. This mechanism greatly reduces arc formation time, effectively protects the contacts, and ensures the switch's long service life and high reliability.
Micro Switch Application
Micro switches are widely used and reliable in performance, mainly applied in:
- Household appliances: refrigerator lights, microwave oven door locks, washing machine lid switches, and toaster timers.
- Industrial equipment: heavy-duty models suitable for conveyor belts, machinery, and control panels (dustproof and moisture-proof).
- Automotive field: windshield wipers, door-ajar indicators — capable of withstanding vibration and extreme temperatures.
- Electronic devices: miniature switches for remote controls and game controllers (responsive and long-lasting).
Micro Switch Specification
| Switch Technical Characteristics: | |||
| ITEM | Technical Parameter | Value | |
| 1 | Electrical Rating | 5(2)A 125V/250VAC 10(3)125V/250VAC | |
| 2 | Contact Resistance | ≤50mΩ Initial value | |
| 3 | Insulation Resistance | ≥100MΩ (500VDC) | |
| 4 |
Dielectric Voltage |
Between non-connected terminals |
500V/0.5mA/60S |
|
Between terminals and the metal frame |
1500V/0.5mA/60S | ||
| 5 | Electrical Life | ≥10000 cycles | |
| 6 | Mechanical Life | ≥100000 cycles | |
| 7 | Operating Temperature | -25~125℃ | |
| 8 | Operating Frequency |
Electrical :15 cycles Mechanical :60 cycles |
|
| 9 | Vibration Proof |
Vibration Frequency :10~55HZ; Amplitude :1.5mm; Three directions :1H |
|
| 10 |
Solder Ability : More than 80% of immersed part shall be covered with solder |
Soldering Temperature : 235±5℃ Immersing Time :2~3S |
|
| 11 | Solder Heat Resistance |
Dip Soldering :260±5℃ 5±1S Manual Soldering :300±5℃ 2~3S |
|
| 12 | Safety Approvals | UL、CSA、VDE、ENEC、CE | |
| 13 | Test Conditions |
Ambient Temperature :20±5℃ Relative Humidity :65±5%RH Air Pressure : 86~106KPa |
|
Tongda Wire Electric Micro USB Inline Power Switch Details
