Pepperl Fuchs M-LB-2.255.T3.D
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Quick facts
| Availability | Confirmed on request |
| Category | Devices for Supply Line Protection |
| Lifecycle | active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can M-LB-2.255.T3.D be shipped?
M-LB-2.255.T3.D is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up M-LB-2.255.T3.D in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for M-LB-2.255.T3.D and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for M-LB-2.255.T3.D, subject to availability and destination.
Surge Protection Barrier. Surge protection for 2 supply lines, Type 3 acc. to EN 61643-11, Nominal voltage 230 V AC, Pre-wired unit, Operating state and fault indication of every protected line, Fault indication output, DIN rail mountable, Device type: type 3 acc. to EN 61643-11:2013<br>class III acc. to IEC 61643-1:2011, Number of protected supply lines: 2. Device type: type 3 acc. to EN 61643-11:2013class III acc. to IEC 61643-1:2011. Number of protected supply lines: 2. Suitable components: protection module M-LB-2.255.T3.M. Nominal voltage: 230 V AC, 50 ... 60 Hz. Maximum continuous operating voltage: 255 V AC, 50 ... 60 Hz 255 V DC. Temporary over-voltage: 335 V/5 s (TOV withstand) (L-N)400 V/5 s (TOV withstand) (L/N-PE)1200 V+Ucs/200 ms (TOV safe failure) (L+N-PE) 5 s (TOV withstand). Nominal load current: 25 A. Nominal discharge current (8/20 µs): 3 kA. Max. surge current (8/20 µs): 5 kA. Voltage protection level: max. 1.25 kV (L-N) max. 1.5 kV (L/N-PE). Reaction time: max. 25 ns (L-N) max. 100 ns (L/N-PE). Short-circuit-proof: 6 kA eff at max. mains-side overcurrent protection. Overcurrent protection: max. 25 A gL/gG (B 25 A) , mains-side. Connection: terminals 11, 12, 14. Output: volt-free change-over contact. Switch power: AC: 250 V / 0.5 A DC: 250 V/0.1 A; 125 V/0.2 A; 75 V/0.5 A; 24 V/0.5 A. Display elements: status display operating state (green)fault indication (red). Low voltage: . Directive 2014/35/EUEN 61643-11:2012: . Directive 2014/35/EU: EN 61643-11:2012. Degree of protection: IEC 60529:2013. Shock resistance: EN 60068-2:2010. Vibration resistance: EN 60068-2:2010. Installation conditions: . Mounting locationindoor: . Mounting location: indoor. Ambient temperature: -40 ... 80 °C (-40 ... 176 °F). Relative humidity: 5 ... 95 %. Degree of protection: IP20. Core cross section: - min. 0.5 mm2 solid/flexible- max. 4 mm2 stranded/2.5 mm2 flexible. Material: . Housingthermoplastic, color grey , UL 94 V-0: . Housing: thermoplastic, color grey , UL 94 V-0. Mass: approx. 120 g. Dimensions: 18 x 90 x 72 mm (0.7 x 3.6 x 2.8 inch) (W x H x D) , 1 TE acc. to DIN 43880. Mounting: on 35 mm DIN mounting rail acc. to EN 60715:2001. Certificate: TÜV 22 ATEX 8932 X. Marking II 3G Ex ec IIC T4 Gc: . Marking: II 3G Ex ec IIC T4 Gc. Directive conformity: . Directive 2014/34/EUEN IEC 60079-0:2018 , EN IEC 60079-7:2015+A1:2018: . Directive 2014/34/EU: EN IEC 60079-0:2018 , EN IEC 60079-7:2015+A1:2018. UL approval: E346845. IECEx approval: . IECEx certificateIECEx TUR 22.0082XIECEx markingEx ec IIC T4 Gc: . IECEx certificate: IECEx TUR 22.0082X. IECEx marking: Ex ec IIC T4 Gc. Supplementary information: Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Specifications
General specifications
| Device type | type 3 acc. to EN 61643-11:2013class III acc. to IEC 61643-1:2011 |
| Number of protected supply lines | 2 |
| Suitable components | protection module M-LB-2.255.T3.M |
Electrical specifications
| Nominal voltage | 230 V AC, 50 ... 60 Hz UN |
| Maximum continuous operating voltage | 255 V AC, 50 ... 60 Hz 255 V DC Uc |
| Temporary over-voltage | 335 V/5 s (TOV withstand) (L-N)400 V/5 s (TOV withstand) (L/N-PE)1200 V+Ucs/200 ms (TOV safe failure) (L+N-PE) 5 s (TOV withstand) Ut |
| Nominal load current | 25 A IL |
| Nominal discharge current (8/20 µs) | 3 kA In |
| Max. surge current (8/20 µs) | 5 kA Imax |
| Voltage protection level | max. 1.25 kV (L-N) max. 1.5 kV (L/N-PE) Up |
| Reaction time | max. 25 ns (L-N) max. 100 ns (L/N-PE) tA |
| Short-circuit-proof | 6 kA eff at max. mains-side overcurrent protection |
| 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 DC: 250 V/0.1 A; 125 V/0.2 A; 75 V/0.5 A; 24 V/0.5 A |
Indicators/settings
| Display elements | status display operating state (green)fault indication (red) |
Directive conformity
| Low voltage | |
| Directive 2014/35/EUEN 61643-11:2012 | Directive 2014/35/EU |
| 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 locationindoor | Mounting location |
| 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- max. 4 mm2 stranded/2.5 mm2 flexible |
| Material | |
| Housingthermoplastic, color grey , UL 94 V-0 | Housing |
| Housing | thermoplastic, color grey , UL 94 V-0 |
| Mass | approx. 120 g |
| Dimensions | 18 x 90 x 72 mm (0.7 x 3.6 x 2.8 inch) (W x H x D) , 1 TE acc. to DIN 43880 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
Data for application in connection with hazardous areas
| Certificate | TÜV 22 ATEX 8932 X |
| Marking II 3G Ex ec IIC T4 Gc | Marking |
| Marking | II 3G Ex ec IIC T4 Gc |
| Directive conformity | |
| Directive 2014/34/EUEN IEC 60079-0:2018 , EN IEC 60079-7:2015+A1:2018 | Directive 2014/34/EU |
| Directive 2014/34/EU | EN IEC 60079-0:2018 , EN IEC 60079-7:2015+A1:2018 |
International approvals
| UL approval | E346845 |
| IECEx approval | |
| IECEx certificateIECEx TUR 22.0082XIECEx markingEx ec IIC T4 Gc | IECEx certificate |
| IECEx certificate | IECEx TUR 22.0082X |
| 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. |
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