Pepperl Fuchs M-LB-2.255.T3.D User manual

Surge Protection Barrier

M-LB-2.***.T3.D

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Germany: [phone]Pepperl+Fuchs Group

Refer to "General Notes Relating to Pepperl+Fuchs Product Information".

USA: [phone] Singapore: [phone]

www.pepperl-fuchs.com [e-mail] [e-mail]

[e-mail]

M-LB-2.255.T3.D

Surge protection for 2 supply lines

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Type 3 acc. to EN 61643-11

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Nominal voltage 230 V AC

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Pre-wired unit

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Operating state and fault indication of every protected line

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Fault indication output

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DIN rail mountable

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Function

This device is a modular surge protection barrier (type 3 acc. to EN 61643-11) with error message output (floating changeover contact).
The complete device consists of a base module and plug-in protection modules and is ready for installation.
The base part offers multifunctional terminals for connection of conductors and busbars.
Every protection module is locked in the base module and can be changed without tools via release buttons.

Connection

Dimensions

Technical Data

General specifications

Device type type 3 acc. to EN 61643-11:2013

Number of protected supply lines 2

Suitable components protection module M-LB-2.255.T3.M

Electrical specifications

Release date: 2020-12-09 Date of issue: 2020-12-09 Filename: 263958_eng.pdf

class III acc. to IEC 61643-1:2011

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Surge Protection Barrier M-LB-2.255.T3.D

Germany: [phone]Pepperl+Fuchs Group

Refer to "General Notes Relating to Pepperl+Fuchs Product Information".

USA: [phone] Singapore: [phone]

www.pepperl-fuchs.com [e-mail] [e-mail]

[e-mail]

Technical Data

Nominal voltage 230 V AC, 50 ... 60 Hz

Maximum continuous operating voltage U

Temporary over-voltage Ut335 V/5 s (TOV withstand) (L-N)

Nominal discharge current (8/20 µs) I

Max. surge current (8/20 µs) I

Voltage protection level U

Reaction time t

Short-circuit-proof 6 kA

Overcurrent protection max. 25 A gL/gG (B 25 A) , mains-side

Fault indication output

Connection terminals 11, 12, 14

Output volt-free change-over contact

Switch power AC: 250 V / 0.5 A

Indicators/settings

Display elements status display

Directive conformity

Low voltage

Directive 2014/35/EU EN 61643-11:2012

Conformity

Degree of protection IEC 60529:2013

Shock resistance EN 60068-2:2010

Vibration resistance EN 60068-2:2010

Operating conditions

Installation conditions

Mounting location indoor

Ambient conditions

Ambient temperature -40 ... 80 °C (-40 ... 176 °F)

Relative humidity 5 ... 95 %

Mechanical specifications

Degree of protection IP20

Core cross-section - min. 0.5 mm2 solid/flexible

Material

Housing thermoplastic, color grey , UL 94 V-0

Mass approx. 120 g

Dimensions 18 x 90 x 73 mm (0.7 x 3.6 x 2.9 inch) (1 TE acc. to DIN 43880)

Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001

General information

Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals

255 V AC, 50 ... 60 Hz

c

255 V DC

400 V/5 s (TOV withstand) (L/N-PE)
1200 V+Ucs/200 ms (TOV safe failure) (L+N-PE) 5 s (TOV withstand)

3 kA

n

5 kA

max

max. 1.25 kV (L-N)

p

max. 1.5 kV (L/N-PE)

max. 25 ns (L-N)

A

max. 100 ns (L/N-PE)

at max. mains-side overcurrent protection

eff

DC: 250 V/0.1 A; 125 V/0.2 A; 75 V/0.5 A; 24 V/0.5 A

operating state (green)
fault indication (red)

- max. 4 mm2 stranded/2.5 mm2 flexible

where applicable. For information see www.pepperl-fuchs.com.

Release date: 2020-12-09 Date of issue: 2020-12-09 Filename: 263958_eng.pdf

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