Name: Without Inner Resistor Waterproof Micro Switch G303
Brand: Guangzhou Unionwell Sensing & Control Technology Co., Ltd.

The Unionwell Without Inner Resistor Waterproof Micro Switch G303 (Model: G303-130E00B7-FA260-TA77U) is a high-performance micro switch designed for use in harsh and demanding conditions. Its compact size and versatile mounting options make it an excellent choice for a wide range of applications, including automotive sensors, outdoor machinery, and marine equipment.

Engineered for durability, this switch is water and dust tight with an IP67 rating, ensuring reliable operation even in moist or contaminated environments. It has received global safety approvals, reflecting its robust design and high reliability. Whether used in industrial control designs or high-performance electronic applications, this micro switch meets stringent quality standards while maintaining a long service life with a minimum of 100,000 electrical cycles and 500,000 mechanical cycles.

The switch's SPST-NC circuitry and precise electrical rating make it adaptable to various circuits and systems. Its design without an inner resistor simplifies circuit design while ensuring optimal performance across a wide range of electrical and environmental conditions. The Unionwell G303 is a dependable solution where moisture resistance, durability, and ease of installation are essential.

Parameters

Rating		0.1A, 125/250VAC; 3A/12VDC; 0.1A/48VDC; μ 1E5
Operating Frequency	Electrical	0.1A, 120 cycles/min 3A, 10~30 cycles/min
	Mechanical	120 cycles/min
Contact Resistance (Initiative)		100mΩ Max.(without wire type)
Insulation Resistance (at 500VDC)		100MΩ Min.
Vibration Durability		10~55Hz, move 0.75mm(p-p)
Dielectric Strength		500VAC (50~60Hz)
Operating Temperature		-40℃~+85℃
Operating Humidity		85%RH Max
Service Life	Electrical	Min. 100,000 cycles (Depend on part NO.)
	Mechanical	Min. 500,000 cycles