Surge Protection Barrier M-LB-4254

Surge protection for 2 signal lines
Nominal voltage 48 V
Surge protection barrier for grounded signal lines
Max. surge current (8/20 µs) 20 kA
Uninterruptable operation (auto reset)
Status indication
Modular design, pluggable
Up to SIL 3 acc. to IEC/EN 61508

Technical Data
Product Documentation
Design / Simulation
Approvals
関連製品
お問い合わせ

注: Pepperl+Fuchs GmbH(旧社名)で発行された証明書・適合宣言書などすべての製品関連文書は、Pepperl+Fuchs AG(新社名)にそのまま適用されます。

データシート(PDF):

技術データ M-LB-4254

General specifications
Number of protected signal lines		2
Topology		grounded
Functional safety related parameters
Safety Integrity Level (SIL)		SIL 3
Electrical specifications
Connection		protected area: terminals 1', 2' unprotected area: terminals 1, 2
Leakage current		< 20 nA bei U_c , line-line < 100 nA bei U_c , line-earth
Nominal voltage		48 V
Maximum continuous operating voltage		38.1 V AC and 54 V DC
Nominal load current		0.75 A at 70 °C (158 °F)
Series resistance		1 Ω per line
Impulse discharge current (10/350 µs)		1.5 kA per line
Nominal discharge current (8/20 µs)		5 kA per line
Max. surge current (8/20 µs)		20 kA
Total discharge current (8/20 µs)		10 kA
Voltage protection level		max. 140 V line-line for nominal discharge current I_n max. 90 V line-earth for nominal discharge current I_n
Impulse reset time		< 30 ms
Cut-off frequency		5 MHz , line-line
Indicators/settings
Display elements		status display operating state (green) fault indication (red)
Conformity
Degree of protection		IEC 60529:2013
Functional safety		IEC/EN 61508:2010
Surge protective devices for low voltage		EN 61643-21:2001+A1:2009+A2:2013 IEC 61643-21:2001+A1:2008+A2:2012
Ambient conditions
Ambient temperature		-40 ... 80 °C (-40 ... 176 °F)
Storage temperature		-40 ... 80 °C (-40 ... 176 °F)
Relative humidity		max. 95 % , without condensation
Corrosion resistance		acc. to ISA-S71.04, severity level G3
Mechanical specifications
Degree of protection		IP20
Connection		spring terminals with push-in connection technology
Core cross section		0.2 ... 2.5 mm² one wire 0.2 ... 2.5 mm² fine-strand
Material
	Housing	Polyamide PA 6.6
Mass		approx. 35 g
Dimensions		6 x 90 x 69 mm (0.24 x 3.5 x 2.7 inch) (W x H x D)
	Height	90 mm
	Width	6 mm
	Depth	69 mm
Mounting		on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
Certificate		TÜV 22 ATEX 8881 X
	Marking	II 3G Ex ec IIC T4 Gc
	Temperature class	T4 for ambient temperature ≤ 80 °C
Directive conformity
	Directive 2014/34/EU	EN 60079-0:2018 , EN IEC 60079-7:2015+A1:2018
International approvals
UL approval		E501704
IECEx approval
	IECEx certificate	IECEx TUR 22.0051X
	IECEx marking	Ex ec IIC T4 Gc
General information
Supplementary information		Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

Classifications

System	Classcode
ECLASS 13.0	27171202
ECLASS 12.0	27171202
ECLASS 11.0	27130805
ECLASS 10.0.1	27130805
ECLASS 9.0	27130805
ECLASS 8.0	27130805
ECLASS 5.1	27130801
ETIM 9.0	EC000941
ETIM 8.0	EC000941
ETIM 7.0	EC000941
ETIM 6.0	EC000941
ETIM 5.0	EC000941
UNSPSC 12.1	39121610

Details: M-LB-4254

Product Documentation: M-LB-4254

Brief Instructions	言語	ファイルタイプ	ファイルサイズ
Instruction leaflet / Beipackzettel	ALL	PDF	5479 KB
Safety and Security Documentation
Functional Safety Manual	ENG	PDF	1990 KB

Design / Simulation: M-LB-4254

CAD	言語	ファイルタイプ	ファイルサイズ
CAD 3-D / CAD 3-D	ALL	STP	2772 KB
CAE
CAE EPLAN Data Portal / CAE EPLAN Data Portal	ALL	LINK	---
CAE EPLAN macro EDZ / CAE EPLAN Makro EDZ	ALL	EDZ	1886 KB

Approvals: M-LB-4254

Certificates	認証番号	言語	ファイルタイプ	ファイルサイズ
China CNEX CCC Ex Certificate	2023312304001609 (DEHN SE)	ALL	PDF	931 KB
EU ATEX Category 3 G	TÜV 22 ATEX 8881 X	ALL	PDF	187 KB
TUV Rheinland	IECEx TUR 22.0051X	ALL	LINK	---
USA UL	UL E501704	ALL	PDF	533 KB
Declaration of Conformity
EU Declaration of Conformity (P+F)	TDOC-7118_ENG	ENG	PDF	186 KB

関連製品: M-LB-4254

Matching System Components

	M-LB-4400 Fault Status Module
	Two-part monitoring device, Device set with transmitter/receiver and reverse unit, Fault indication via LED, Status indication output, Modularity: two-piece, Display elements: status display operating state (green) fault indication (red), Device suitable for mounting in equipment protection level: Gcpa

Accessories

	M-LB-4800 Separation Wall
	For surge protection system M-LB-4000, Isolation acc. to IEC 60079-11, Color blue, DIN rail mountablepa

	M-LB-4254.M Protection Module for Surge Protection Barrier
	Protection module for 2 signal lines, Nominal voltage 48 V, Protection module for grounded signal lines, Max. surge current (8/20 µs) 20 kA, Uninterruptable operation (auto reset), Status indication, Mounting on base module, pluggable, Up to SIL 3 acc. to IEC/EN 61508, Number of protected signal lines: 2, Topology: grounded, Safety Integrity Level (SIL): SIL 3, Nominal discharge current (8/20 µs): 5 kA per linepa

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