参数表节选：的技术参数 K-LB-2.30产品阐述

4-line protection

General specificationsElectrical specificationsIndicators/settingsConformityOperating conditionsAmbient conditionsMechanical specificationsData for application in connection with hazardous areasInternational approvals

Number of protected signal lines		4
Topology		non-grounded
Rated current		250 mA
Leakage current		< 5 µA at 24 V and 25 °C (77 °F) , line-line
Nominal voltage		24 V DC
Maximum continuous operating voltage		30 V DC
Series resistance		< 0.5 Ω per line
Impulse rating		10 kV/5 kA (category C2) 2 kV/2 kA (category D1)
Impulse discharge current (10/350 µs)		2 kA per line (2x)
Nominal discharge current (8/20 µs)		5 kA per line (10x)
Rated surge current (8/20 µs)		10 kA per line (1x)
Total discharge current (8/20 µs)		20 kA (1x)
Voltage protection level		max. 75 V line-line for nominal discharge current In  max. 1.2 kV line-earth for nominal discharge current In
Impulse reset time		< 30 ms
Insertion loss		≤ 0.05 dB, at 0 ... 4 kHz, in 600 Ω-System ≤ 3 dB, at 0 ... 174 kHz, in 100 Ω-System
Labeling		space for labeling at the front
Degree of protection		IEC 60529:2013
Surge protective devices for low voltage		EN 61643-21:2001+A1:2009+A2:2013  IEC 61643-21:2001+A1:2008+A2:2012
Installation conditions
	Mounting location	indoor
Ambient temperature		-30 ... 80 °C (-22 ... 176 °F)  For usage in hazardous area observe EC-type examination certificate.
Degree of protection		IP20
Connection		screw terminals
Core cross-section		2 x 2.5 mm2
Mass		approx. 100 g
Dimensions		12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch)
Mounting		on 35 mm DIN mounting rail acc. to EN 60715:2001
EU-Type Examination Certificate		PTB 00 ATEX 2176 X
	Marking	II 2(1)G Ex ia IIC T6/T5/T4
	Internal capacitance	negligible
	Internal inductance	200 µH
Certificate		PF 16 CERT 4065 X
	Marking	II (3)D [Ex ic Dc] IIIC
Directive conformity
	Directive 2014/34/EU	EN 60079-0:2012+A11:2013 , EN 60079-11:2012
CSA approval
	Control drawing	116-0187 (cCSAus)
IECEx approval
	IECEx certificate	IECEx BAS 14.0010X