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China Wholesale Momentary Push Button Switch Normally Closed Manufacturers - HK-04G-4AZ-025 – Tongda

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China Wholesale Momentary Push Button Switch Normally Closed Manufacturers - HK-04G-4AZ-025 – Tongda Detail:

(The defining characteristics of operation)	(Operating Parameter)	(Abbreviation)	(Units)	(Value)
	(Free Position)	FP	mm	12.1±0.2
	(Operating Position)	OP	mm	11.5±0.5
	(Releasing Position)	RP	mm	11.7±0.5
	(Total travel Position)	TTP	mm	10.5±0.3
	(Operating Force)	OF	N	1.0～3.5
	(Releasing Force)	RF	N	—
	(Total travel Force)	TTF	N	—
	(Pre Travel)	PT	mm	0.3～1.0
	(Over Travel)	OT	mm	0.2(Min)
	(Movement Differential)	MD	mm	0.4(Max)

Switch technical Characteristics

（ITEM）	（technical parameter）		（Value）
1	（Electrical Rating）		5(2)A 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

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