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SPD Surge Protection -BT P BCM 25 RM/3P
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  • Features
  • Datasheet
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SPD Surge Protection -BT P BCM 25 RM/3P

SPD Surge Protection BT P BCM 25 RM/3P（800913）is for installation at LPZ 0A-1 or higher zones, protecting low voltage equipment from surge damage. Applied in modular SPD Class I+II (Class B+C) for 3 phase TN-C(“3+0” circuit) various power supply system single-pole protection module. Designed according to IEC 61643-11:2011 ; EN 61643-11:2012; GB/T 18802.1-2020.

  • Type

    BT P BCM 25 RM/3P

  • Art.-No.

    800913

  • Features

    1. Use for Three-Phase Four-Wire System, Pluggable.
    2. Suitable for TN-C installations.
    3. 10/350us sparkgap, Single-pole lightning impulse current up to Iimp 25kA.
    4. Adopt hermetical GDT technology, high follow current extinguishing capacity.
    5. Extremely low voltage protection level.
    6. Double thermal disconnector devices, providing more reliable protection.
    7. Multifunctional connection for conductors and pure copper busbar.
    8. Green window will change to red when fault occurs, also provide remote alarm terminal at the same.
    9. Suitable for use in three phase: 220V/380V(50/60 Hz), 240V/415V(50/60 Hz), 230V/400V(50/60 Hz) AC systems.

Inquiry
Download Datasheet
SPD Surge Protection
Surge Ratings:
In=50kA(8/20μs)
Mode of protection:
L-PEN
Modules:
3P
Protection Elements:
High Energy GDT
High Surge Currents:
limp=25kA(10/350μs), Imax=100kA(8/20μs)

SPD Surge Protection is designed to control transient overvoltage within electrical systems. Installed at designated power distribution points, it limits surge energy before it reaches downstream circuits and connected equipment. The device supports stable electrical operation during lightning activity, grid switching, or other external power disturbances. Suitable for continuous system operation, it remains active during normal power flow without interrupting supply. Its structure allows integration into standard electrical panels, making it suitable for applications requiring controlled voltage conditions and consistent protection across power networks.

Features

1. Transient Voltage Limiting: Restricts sudden overvoltage before it spreads through circuits.
2. Fast Electrical Reaction: Responds promptly when surge conditions appear.
3. Multi-Level System Coverage: Supports installation at various electrical distribution points.
4. Defined Clamping Range: Controls voltage within specified electrical thresholds.
5. Panel-Compatible Design: Fits standard electrical cabinets and distribution boards.
6. Continuous Protection State: Remains active during regular system operation.
SPD

Advantages

1. Equipment Stress Reduction: Lowers electrical impact on connected devices.
2. Circuit Protection Support: Helps reduce surge-related damage within wiring systems.
3. Power Stability Maintenance: Supports more consistent voltage conditions across networks.
4. Centralized Surge Handling: Controls surge energy through a single protection point.
5. Long-Term System Use: Suitable for repeated transient voltage exposure over time.
6. Simple Electrical Integration: Allows system protection without complex configuration changes.
BT P BCM 25 RM/3P Circuit

Applications

1. Electrical Distribution Panels: Surge protection at primary and secondary power points.
2. Industrial Control Systems: Supports stable operation of automation equipment.
3. Power Supply Networks: Protects connected devices across supply lines.
4. Commercial Electrical Systems: Suitable for building power infrastructures.
5. Energy Management Installations: Controls voltage conditions within monitored systems.
BT P BCM 25 RM/3P Installation

Technical Data

Product Showcase

BT P BCM 25 RM/2P Mounting TN System
TN Installations
BT P BCM 25 RM/1+N Mounting（TT System）
TT/TN Installations
BT P BCM 25 RM/3P Mounting TN-C System
TN-C Installations
BT P BCM 25 RM/4P Mounting TN-S System
TNC-S/TN-S Installations
BT P BCM 25 RM/3+N Mounting TT System
TT/TN-S Installations
BT P BCM 25 RM/2+N Installations
Two Phase Installations

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