As the benchmark model of Yueqing Tongda Wire Electric Factory's micro switch series, the High-Current Self-Reset Micro Switch for Household Appliances features "high sensitivity, ultra-long lifespan, and multi-scenario adaptability" as its core advantages. Integrating the company's 35 years of switch manufacturing expertise, it has become a key control component in household appliances, automotive electronics, industrial automation, and other fields, thanks to its minimal contact gap and rapid action mechanism.
Micro Switch Introduction
Main Technical Features
Electrical Specifications: Offers multiple rated current options, such as 5A, 10A, 16A, 20A, with a rated voltage up to AC250V, suitable for applications with different power requirements.
Mechanical and Electrical Life: Mechanical life can exceed 1 million cycles, and electrical life is generally between 10,000 to 100,000 cycles.
Operating Temperature: Features a wide operating temperature range, commonly -25℃ to 105℃, with some models reaching -40℃ to 125℃, suitable for various environments.
Operating Structure: Typically self-resetting, with various contact configurations, such as 1NC 1NO (one normally closed and one normally open).
Application Scenarios
Home Appliances: Microwave door control, washing machine program control, air conditioner fan speed adjustment, ensuring safe operation of equipment
Industrial Automation: Production line positioning, robot limit control, conveyor start-stop control, improving production efficiency by 35%
Automotive Electronics: Car window lifting, seat adjustment, trunk sensing, suitable for harsh in-vehicle environments
Medical Devices: Surgical equipment control, detection instrument signal triggering, meeting medical-grade safety standards
Military Industry: Weapon equipment control, communication device switching, adapting to extreme working conditions and high reliability requirements
Micro Switch Parameter (Specification)
| Switch Technical Characteristics: | |||
| ITEM | Technical Parameter | Value | |
| 1 | Electrical Rating | 5(2)A/10A/16(3)A/21(8)A 250VAC | |
| 2 | Contact Resistance | ≤30mΩ Initial value | |
| 3 | Insulation Resistance | ≥100MΩ (500VDC) | |
| 4 |
Dielectric Voltage |
Between non-connected terminals |
1000V/0.5mA/60S |
|
Between terminals and the metal frame |
3000V/0.5mA/60S | ||
| 5 | Electrical Life | ≥50000 cycles | |
| 6 | Mechanical Life | ≥1000000 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、TUV、CE、KC、CQC | |
| 13 | Test Conditions |
Ambient Temperature :20±5℃ Relative Humidity :65±5%RH Air Pressure :86~106KPa |
|
Micro Switch Feature and Application
Micro Switch Details
