Small Dustproof Two-Pin Micro Switch with Lever

Small Dustproof Two-Pin Micro Switch with 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

Model:HK-04G-LD-003

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Product Description

WEIPENG® is a leading Small Dustproof Two-Pin Micro Switch with Lever manufacturers, suppliers and exporter.

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.

Actuator type: The HK-04G-L series offers various actuators, the most common being the roller lever type (such as HK-04G-LZ), suitable for detecting moving parts and effectively reducing friction.

Terminal type: There are solder terminals for soldering and PCB terminals for direct insertion into PCB boards, which can be chosen according to your assembly process.

Operating environment: Avoid applying oil to the switch's actuating part, as this may attract dust and cause poor contact. In environments with heavy dust or humidity, choose a sealed switch with a higher protection rating (such as IP67).

Installation: Install the switch on a flat surface and use washers to secure it evenly, preventing deformation of the housing that could affect the internal operation accuracy.

Micro Switch Application

Due to its compact size and precise control capabilities, the HK-04G-L is widely used in various fields:

Home Appliances: Used for door interlock detection in microwave ovens, lid closure detection in rice cookers, cup installation detection in blenders, etc., ensuring that devices operate in the correct state.

Office and Communication Equipment: Used in printers and copiers to detect paper position, paper jams, or cover status; functional switching in communication devices.

Automotive Electronics: Used for detecting car door status, brake light switches, seat position limit switches, etc.

Industrial and Medical: Used for travel limit detection in automated equipment, position feedback in precision instruments, status monitoring in medical devices, etc.

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