Lightning Protection -BT PCM60 275 RM/3+N

Lightning Protection BT PCM60 275 RM/3+N(810817) is for installation at LPZ 0B-1 or higher, protecting low voltage equipment from surge damage. Applied in pulggable SPD Class II (Class C) for TT/TN-S(“3+1” circuit) power supply system. Designed according to IEC 61643-11:2011 ; EN 61643-11:2012; GB 18802.1-2011.

Type

BT PCM60 275 RM/3+N
Art.-No.

810817

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Lightning Protection for Industrial Applications

Location of Use:
Sub-Distribution Boards

System Type:
Three Phase, TN-S/TT

Protection Elements:
High Energy MOV+ High Energy GDT

Surge Ratings:
In=30/40kA(8/20μs)

High Surge Currents:
Imax=60/65kA(8/20μs)

Lightning Protection

Lightning protection equipment includes lightning rods, lightning belts, lightning meshes, and lightning wires, designed to safeguard buildings and equipment from lightning damage. Lightning rods safely channel direct lightning strikes into the ground, while lightning belts and meshes provide broader protection coverage. Lightning wires are used for power and communication lines to ensure system safety and reliability. These devices are widely applied in industrial, commercial, and residential lightning protection systems.

Principles of Lightning Protection

Lightning protection operates through four main principles: grounding, shunting, diversion, and lightning interception. Grounding safely channels lightning energy into the earth, shunting reduces electrical impact by distributing the current, diversion redirects the lightning flow away from critical structures, and interception prevents direct damage by capturing the lightning strike. Together, these principles ensure safety and minimize lightning-related risks.

Lightning Protection with Surge Protection

Lightning Protection Installation

Proper lightning protection installation involves four key aspects: site selection, installation height, installation method, and grounding method. Site selection ensures optimal placement for effective coverage, while installation height is determined based on protection range and structural needs. The installation method ensures secure mounting, and the grounding method safely directs lightning energy into the earth, reducing potential damage and ensuring system reliability.

Lightning Protection for Home & Business

Lightning Protection Installation

Lightning Protection for Electrical Systems

Lightning Protection Regulations

Lightning protection regulations include the Management Regulations for Lightning Protection Facilities, which govern maintenance and oversight. The Lightning Protection Construction Specifications ensure proper installation practices, while the Lightning Safety Regulations establish safety requirements for operations. Additionally, Lightning Protection Standards provide technical guidelines to ensure the effectiveness and reliability of lightning protection systems in various settings.

New Lightning Protection Technologies

Advancements in lightning protection include lightning monitoring systems for real-time detection and analysis, and development of advanced lightning protection materials for improved durability and performance. Ground potential rise technology enhances grounding efficiency, while remote lightning protection systems use telemetry for accurate strike prevention and monitoring. These innovations ensure more effective and reliable lightning protection solutions across industries.

What is Lightning Protection?

Lightning protection refers to systems or measures designed to safeguard buildings, equipment, and individuals from the dangers caused by lightning strikes. By intercepting, directing, and safely grounding the lightning’s energy, these systems prevent damage to structures, electrical systems, and reduce the risk of fire or injury, ensuring safety and reliability in various environments.

Technical Data

Type	BT PCM60 150 RM/3+N	BT PCM60 275 RM/3+N	BT PCM60 320 RM/3+N	BT PCM60 385 RM/3+N	BT PCM60 440 RM/3+N
According to IEC 61643-11/EN 61643-11	Class II (class 2/C) / Type 2
System mode	3 Phase，TT/TN-S System (“ 3+1 ”circuit)
Nominal voltage [UN](50/60Hz)	120V/240V	230V/400V	230V/400V	230V/400V	400V/690V
Rated voltage (max. continuous voltage) [Uc] [L-N / N-PE](50/60Hz)	150V/255V	275V/255V	320V/255V	385V/255V	440V/255V
Nominal discharge current (8/20μs) [In] [L-N / N-PE]	30kA/40kA	30kA/40kA	30kA/40kA	30kA/40kA	30kA/40kA
Max. discharge current (8/20μs) [Imax] [L-N / N-PE]	60kA/65kA	60kA/65kA	60kA/65kA	60kA/65kA	40kA/65kA
Voltage protection level at In [Up] [L-N / N-PE]	≤ 1.25kV/ ≤ 1.5kV	≤ 1.5kV/≤ 1.5kV	≤ 1.6kV/ ≤ 1.5kV	≤ 1.8kV/ ≤ 1.5kV	≤ 2.0kV/≤ 1.5kV
Voltage protection level at 5kA [Up] [L-N ]	≤ 1kV	≤ 1.2kV	≤ 1.3kV	≤ 1.35kV	≤ 1.5kV
Follow current extinguishing capability at Uc[N-PE][I_f]	100A_rms
Response time [tA][L-N / N-PE]	≤ 25ns/≤ 100ns
Max. back up fuse [F]	125A gL/gG
Operating state / Failure indication	Green / Red
Operating temperature range [Tu]	-40°C…+80°C
Cross-sectional area	1.5mm² ~ 25mm² solid / 35mm² flexible
Mounting on	35mm DIN rail，EN 60715
Number of remote terminals	1 （or optional）
Degree of Protection	IP 20
Enclosure material	Purple (module) & light gray (base) thermoplastic, UL94-V0
Dimension	4 mods (72mm)
Certification	CE; RoHS;ISO 9001：2015;REACH
Type of remote signaling contact	Switching contact
Switching capacity a.c.	250V/0.5A
Switching capacity d.c.	250V/0.1A, 125V/0.2A, 75V/0.5A
Cross-sectional area for remote signaling contact	Max. 1.5mm² solid/flexible
Ordering Information
Type	BT PCM60 150 RM/3+N	BT PCM60 275 RM/3+N	BT PCM60 320 RM/3+N	BT PCM60 385 RM/3+N	BT PCM60 440 RM/3+N
Art.-No.	810 965	810817	810 819	810818	810945
Packing unit	1pc(s)	1pc(s)	1pc(s)	1pc(s)	1pc(s)