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Surge protection, arrestor, type 1 (industry) - OBO BETTERMANN

Surge protection devices (SPDs) of Type 1, also known as lightning current arrestors, are designed to discharge high-energy surges directly from lightning strikes or utility switching operations. These devices are characterized by their high discharge capacity (typically 10/350 µs waveform), with impulse currents ranging from 12.5 kA to 50 kA pe...

Surge protection devices (SPDs) of Type 1, also known as lightning current arrestors, are designed to discharge high-energy surges directly from lightning strikes or utility switching operations. These devices are characterized by their high discharge capacity (typically 10/350 µs waveform), with impulse currents ranging from 12.5 kA to 50 kA per pole. They are available in configurations such as 1P, 2P, 3P, 3P+N, and 4P, with rated voltages up to 400 V AC and maximum continuous operating voltages (Uc) of 275 V to 440 V. The robust construction includes spark gap or varistor technology, often with integrated thermal disconnection and remote signaling contacts for monitoring. These arrestors are essential for protecting electrical installations against direct lightning strikes and severe transient overvoltages, ensuring compliance with IEC 61643-11 and EN 61643-11 standards.

Type 1 surge arrestors are primarily installed in main distribution boards (MDBs) and service entrance panels of industrial facilities, commercial buildings, and critical infrastructure. They are used in sectors such as manufacturing, energy generation (solar, wind), telecommunications, data centers, and transportation (railways, airports). These devices protect sensitive equipment like PLCs, variable frequency drives (VFDs), and power supplies from catastrophic failure due to lightning-induced surges. They are also deployed in outdoor applications, such as street lighting and traffic control systems, where direct exposure to lightning is a risk.

Within this category, key subcategories include single-pole and multi-pole arrestors, such as the OBO BETTERMANN series V20-C, V25-B+C, and V50-B. Article codes typically follow a pattern like OB0501-... where the first digits indicate the series and the following numbers specify the pole configuration, discharge capacity, and voltage rating. For example, OB0501-3P-40kA denotes a three-pole Type 1 arrestor with a 40 kA impulse current. Other relevant codes include OB0501-4P-50kA and OB0501-1P-25kA, covering various industrial needs.

Partnering with Electric Automation Network ensures access to genuine OBO BETTERMANN surge protection devices at competitive prices with up to 65% discount. Our engineering team provides personalized technical support for selecting the correct SPD based on your system's lightning protection level and installation environment. We offer express worldwide shipping, real-time pricing, and detailed technical documentation for each article, including installation guides and certification data. This guarantees minimal downtime and optimal protection for your critical assets.

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Manufacturer Code Reference Catalog Number Description Delivery Price

5096822

MCD 50-B 0

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Coordinated lightning cont. plug-in arrester,

CoordinatedLightningController, plug-in arrester. Combination arrester type 1+2• Lightning current arresting capacity 50 kA (10/350)• Protection level < 1.7 kV• Line current quenching capacity 10 kA• Encapsulated, non-extinguishing spark gapApplication: Industrial systems and buildings with external lightning protection of classes I to IV.

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5096825

MC 50-B 0-OS

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Arrester lightning current, active with ind. visual, 255V,

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5096827

MCD 50-B 0-OS

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Coordinated lightning cont. with function display, 255V,

CoordinatedLightningController, plug-in arrester with function display. Combination arrester, type 1+2, plug-in arrester with visual display.• Lightning current arresting capacity 50 kA (10/350)• Power consumption < 26 mW/pole• Protection level < 1.7 kV• Line current quenching capacity 10 kA• Encapsulated, non-extinguishing spark gap Application: Installations of surge protection devices, type 1+2, in a distribution.

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5096836

MCD 50-B 3+1-OS

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Coordinated lightning cont. set with function display, 255V,

Combination arrester, 3-pole + NPE with function display. Combination arrester, type 1+2, 4-pole, with visual function display, for use in TN-S and TT networks.Completely pre-terminated and ready for connection, consisting of:3x MCD 50-B-OS: Type 1+2 (Class B) coordinated lightning current arrester EN 61643-11.1x MCD 125-B/NPE: Coordinated N-PE spark gap, type 1+2 EN 61643-11 for use in TN-S and TT systems. Interface 0 to 2 (LPZ) according to lightning protection zone concept according to IEC 62305 and VDE 0185-305.• Lightning protection equipotential bonding to VDE 0185-305 (IEC 62305)• Lightning current arresting capacity to 50 kA (10/350) per pole and up to 125 kA (10/350) in total• Protection level < 1.7 kV allows device protection• Short-circuit resistance 10 kA, arrester backup fus

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5096847

MC 50-B VDE

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LightningController , UC 255 V,

Lightning arrester, 1-pole. Type 1 lightning arrester in accordance with DIN EN 61643-11 for interface 0 to 1 (LPZ) to and/or in accordance with lightning protection concept to IEC 61312-1 and/or VDE 0185-305 (IEC 62305) • Cover and base, plug-in cover• Arresting capacity 50 kA (10/350 µs) per pole• Voltage protection level < 2.0 kV• Line following current quenching 25 kA Ipeak• Incl. plug caps for labelling the connections• Encapsulated, non-extinguishing spark gap: can be used in standard distributor housingsApplication example: Industrial plants; lightning arrester in accordance with VDE-AR-N 4100 for pre-meter area. Note: Requires as a decoupling length for surge protection 5 m of cable.

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5096849

MCD 50-B

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Coordinated lightning cont. ,

Combination arrester, 1-pole. Combination arrester, type 1+2, for use in TN and TT networks• Lightning protection equipotential bonding to VDE 0185-305 (IEC 62305)• Lightning current arresting capacity to 50 kA (10/350) per pole and up to 150 kA (10/350) in total• Protection level < 1.7 kV allows device protection• Short-circuit resistance 10 kA, arrester backup fuse to 500 A gL/gG• Encapsulated, non-extinguishing spark gaps Application: Industrial systems and buildings with external lightning protection of the highest class I to IV.

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5096851

MC 50-B-OS

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LightningController with function display, 255V,

Lightning current arrester, 1-pole with function display. Lightning arrester with visual function display, type 1, in accordance with DIN EN 61643-11 for interface 0 to 1 (LPZ) in accordance with lightning protection concept to IEC 61312-1 and VDE 0185-305 (IEC 62305) • Upper part and base, plug-in upper part• Arresting capacity 50 kA (10/350 µs) per pole• Voltage protection level < 2.0 kV• Power consumption < 26 mW/pole• Line following current quenching 25 kA Ipeak• Incl. plug caps for labelling the connections• Encapsulated, non-extinguishing spark gap: can be used in standard distributor housingsApplication example: Industrial systems. Note: Requires as a decoupling length for surge protection 5 m of cable.

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5096852

MCD 50-B-OS

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Coordinated lightning cont. with function display, 255V,

Combination arrester, 1-pole with function display. Combination arrester, type 1+2, 1-pole, for use in TN and TT networks:MCD 50-B-OS: Coordinated lightning current arrester, type 1+2 to EN 61643-11 with visual function display. For interface 0 to 2 (LPZ) in accordance with lightning protection zone concept to IEC 62305 and/or DIN VDE 0185-305.• Arresting capacity 50 kA (10/350 µs) per pole • Power consumption < 26 mW/pole• Protection level < 1.7 kV, allows device protection• Line follow current quenching 10 kA • lncl. plug caps for labelling the connections• Encapsulated, non-extinguishing spark gap• Can be used in standard distributor housings Application: Compact surge protection concepts and installations in a distributor.

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5096863

MC 125-B NPE

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LightningController for N to PE,

Lightning current arrester, 1-pole NPE. For use in TN-S and TT systems as N-PE discharge gap, type 1 (Class B) IEC 61643, for interface 0 to 1 (LPZ) according to lightning protection zone concept to IEC 61312-1 and/or DIN VDE 0185-305 Part 4 for use as discharge gap between N and PE. • Complies with VDE-AR-N 4100• Arresting capability 125 kA (10/350 µs)• Incl. plug caps for labelling the connections• Voltage protection level <2.5 kV• Enclosed, non-extinguishing discharge gap: can be used in normal commercial distributor housings Application example: lightning arrester in accordance with VDE-AR-N 4100 for pre-meter area.Note: Requires as a decoupling length for surge protection 5 m of cable.

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5096865

MCD 125-B NPE

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Coordinated lightning cont. for N to PE,

Combination arrester, 1-pole NPE. Combination arrester, type 1+2, N+PE for use in TN-S and TT networks.MCD 125-B/NPE: Coordinated N-PE spark gap, type 1+2 to EN 61643-11. For interface 0 to 2 (LPZ) in accordance with lightning protection zone concept to IEC 62305 and/or VDE 0185-305. • Arresting capacity 125 kA (10/350 µs) • Incl. plug caps for labelling the connections • Protection level < 1.5 kV, allows device protection• Encapsulated, non-extinguishing spark gapApplication: Industrial systems and buildings with external lightning protection of Classes I to IV.

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5096876

MC 50-B 3

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LightningController set for TN-C networks, 255V,

Lightning current arrester, 3-pole. LightningController-Set, 3-pole, for use in TN-C networks:Completely pre-terminated and ready for connection, consisting of:Lightning current arrester, type 1, to EN 61643-11 for interface 0 to 1 (LPZ) according to lightning protection zone concept to IEC 61312-1 and DIN VDE 0185-305.• Complies with VDE-AR-N 4100 • Cover and base, plug-in cover• Arresting capacity 50 kA (10/350 µs) per pole• Protection level < 2.0 kV • Line following current quenching 25 kA Ipeak• Incl. plug caps for labelling the connections • Encapsulated, non-extinguishing spark gap: can be used in standard distributor housingsApplication example: Industrial systems, lightning arrester in accordance with VDE-AR-N 4100 for the pre-meter area.Note: Requires as a decoupling length for

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5096877

MCD 50-B 3

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Coordinated lightning cont. set for TN-C networks, 255V,

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5096878

MC 50-B 3+1

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LightningController set for TT and TNS networks, 255V,

Lightning current arrester, 3-pole + NPE. LightningController set, 4-pole, for use in TN-S and TT networks:Completely pre-terminated and ready for connection, consisting of:MC 50-B VDE: Lightning arrester, type 1 to EN 61643-11 for interface 0 to 1 (LPZ) according to lightning protection zone concept to IEC 61312-1 and DIN VDE 0185-305.MC 125-B/NPE: N-PE spark gap, type 1 to IEC 61643 for use in TN-S and TT systems.• Meets VDE-AR-N 4100 • Cover and base, plug-in cover• Arresting capacity 50 kA (10/350 µs) per pole• Protection level < 2,0 kV• Line following current quenching 25 kA Ipeak• Incl. plug caps for identifying the connections • Encapsulated, non-extinguishing spark gap: can be used in standard distributor housings Application example: Industrial systems, lightning current arreste

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5096879

MCD 50-B 3+1

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Coordinated lightning cont. set for TT and TNS networks,

Combination arrester, 3-pole + NPE. Combination arrester, type 1+2, 4-pole, for use in TT and TN-S networks.Completely pre-terminated and ready for connection, consisting of:3x MCD 50-B: Coordinated lightning current arrester, type 1+2 to EN 61643-11 and 1x MCD 125-B/NPE: Coordinated N-PE spark gap, type 1+2 to EN 61643-11. For interface 0 to 2 (LPZ) in accordance with lightning protection zone concept to IEC 62305 and/or VDE 0185-305. • Lightning protection equipotential bonding to VDE 0185-305 (IEC 62305)• Lightning current arresting capacity to 50 kA (10/350) per pole and up to 125 kA (10/350) in total• Protection level < 1.7 kV allows device protection• Short-circuit resistance 10 kA, arrester backup fuse to 500 A gL/gG• Encapsulated, non-extinguishing spark gaps Application: Industr

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5096886

MC V4

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Connecting bridge for LightningController, Copper, Cu

Accessories for lightning current arrester. Copper bridge 16 mm², suitable for bridging MC arresters in side channel. • V3 for 3-pole circuits • V4 for 4-pole circuits

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