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Lightning Transformers

Lightning Observation

Earthing Related Products

Obstruction light

SPD for Japan railways

3-electrode tubes/3H type

Conforming standards
●UL standard acquired (E140906)
●RoHS Ⅱ compliant
●With failsafe function

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Product Details

Specification Parameters

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Item	Conditions	Performance
		3H-90「」	3H-150「」	3H-230「」	3H-250「」	3H-350「」	3H-500「」
DC sparkover voltage	100 V/s	90V±20%	150V±20%	230V±20%	250V±20%	350V±20%	500V±20%
Impulse sparkover voltage	1KV/μs	≦500V	≦600V	≦700V	≦900V		≦1.000V
Insulation resistance	DC50V	≧10,000MΩ		—
	DC100V	—		≧10,000MΩ
Electrostatic capacity	1MHz	≦3.0pF
DC holdover characteristics	DC52V	≦150ms		—
	DC80V	—				≦150ms	—
	DC135V	—		≦150ms		—	≦150ms
AC discharge current	AC5A×2・1s	10times				—	10times
	AC10A×2・1s	—				5times	—
lmpulse discharge current	8/20μs・5kA×2	+5、-5times				—	+5、-5times
	8/20μs・10kA×2	—				+5、-5times	—
Impulse life	10/1,000μs・100A×2	300times

● 3H-90英仕样书（下载资料）Down
● 3H-150英仕样书（下载资料）Down
● 3H-230英仕样书（下载资料）Down
● 3H-500英仕样书（下载资料）Down

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