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3 Phase Surge Protection Device -BT BCM 50 RM/3+N
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3 Phase Surge Protection Device -BT BCM 50 RM/3+N

3 Phase Surge Protection BT BCM 50 RM/3+N(801016) is designed to protect low voltage devices from lightning and surge damages, specially designed for class l TT/TN-S system (“3+1” circuit), mainly usedin power supply system such as power distribution-room,distribution-cabinet and other important power supply system.Designed according to IEC 61643-11:2011 ; EN 61643-11:2012; GB 18802.1-2011.

  • Type

    BT BCM 50 RM/3+N

  • Art.-No.

    801016

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3 Phase Surge Protection Device -BT BCM 50 RM/3+N
Modular 3 Phase Surge Protection System
Location of Use:
Main Distribution Boards
System Type:
3 Phase，TT/ TN-S
Modules:
3P+NPE
Protection Elements:
High Energy GDT
High Surge Currents:
limp= 50 kA/100 kA (10/350μs)， Imax=100kA/200kA(8/20μs)

The 3 Phase Surge Protection Device - BT BCM 50 RM/3+N is a surge protective device (SPD) designed to provide reliable protection for three-phase electrical systems, including the neutral (N) conductor. This device protects critical equipment from damaging surges, transients, or voltage spikes that can be caused by lightning strikes, electrical grid switching, or faults in the power system. It is commonly used in industrial, commercial, and residential applications where three-phase power is utilized.

Product Overview:

  • Three Phase Surge Protection: This device is specifically designed to protect three-phase systems, which are widely used in industrial, commercial, and residential power distribution. It protects the three live phases (L1, L2, L3) and the neutral (N) conductor, ensuring complete surge protection for the entire system.
  • BT BCM 50 RM/3+N: The model name provides key insights into the product:
    • "BT" likely refers to the manufacturer or product series.
    • "BCM" could represent a specific product series or technology used for surge protection.
    • "50" suggests that the surge protector is rated to handle up to 50 kA of surge current, meaning it can safely absorb large surges without being damaged.
    • "RM" stands for Rail Mountable, indicating that the device can be installed on a DIN rail, making installation simple and secure in distribution panels.
    • "3+N" refers to the three-phase protection (L1, L2, L3) along with neutral (N), providing a full range of protection for the system.
3 Phase Surge Protection with Thermal Disconnect

Key Features:

  • Comprehensive 3+N Protection: The 3+N designation means the device provides surge protection for three-phase power (L1, L2, L3) as well as the neutral (N) conductor. This ensures that the device protects the entire electrical circuit from voltage spikes, including scenarios where surges may impact the neutral line.
  • High Surge Capacity: With a 50 kA surge current rating, the device can handle high-energy surges without failure, providing robust protection even in environments where power surges are frequent or intense (such as industrial or high-risk areas).
  • Fast Response Time: The device is engineered for rapid response to incoming surges, minimizing the exposure of sensitive equipment to dangerous transient voltages.
  • DIN Rail Mountable: The DIN rail mountable design allows for easy installation in electrical distribution panels, control boxes, or switchgear, making it an ideal solution for industrial and commercial electrical systems.
  • Compact and Space-Efficient: Despite its high surge capacity, the device is designed to be compact, making it suitable for installations with limited panel space.
3 Phase Surge Protection with 100kA Surge Current

Rated Voltage and Current

  • Rated Voltage: Typically, this device is designed for use in 380V to 415V three-phase AC systems, which is standard for industrial and commercial applications. It helps protect systems operating at this voltage from voltage spikes and surges.
  • Surge Current Rating: The 50 kA surge current rating indicates that the surge protector can safely absorb and divert up to 50,000 amps of surge energy without being damaged, providing protection against large and destructive surges that could damage sensitive equipment.
3 Phase Surge Protector with 50kA Rating

Protection Characteristics:

  • Surge Clamping Voltage: The surge protector is designed to clamp transient voltages to a safe level, ensuring that voltage surges above a set threshold are diverted away from the system, thereby protecting electrical equipment from damage.
  • Energy Dissipation: The device is capable of handling high-energy surges, protecting not only individual devices but entire systems from the harmful effects of voltage spikes.
  • Multi-Stage Protection: Likely incorporates multi-stage surge protection technology such as Metal Oxide Varistors (MOVs) or Gas Discharge Tubes (GDTs) to absorb and dissipate surge energy, improving overall protection efficiency.
3 Phase Surge Arrester

Advantages:

  • Comprehensive Protection: Provides complete surge protection for all three phases and the neutral conductor, offering robust defense against power surges that can impact any part of the system.
  • High Energy Handling: With a 50 kA surge capacity, the device is equipped to handle even the most severe surges, preventing equipment damage and system downtime.
  • Easy Installation: The DIN rail mountable design allows for quick and easy installation in electrical panels, making it a cost-effective and hassle-free solution for protecting electrical systems.
  • Long-Term Durability: The device is built for long-term protection and is typically low-maintenance, offering reliable service for many years with minimal upkeep.
3 Phase Surge Protector for Industrial Equipment

Maintenance and Monitoring:

  • Visual Indicators: Many surge protectors, including the BT BCM 50 RM/3+N, feature LED indicators or other visual cues to show whether the device is functioning properly or if it has been triggered and requires attention or replacement.
  • Easy to Replace: Surge protectors are designed to be replaced easily after they have absorbed a significant surge or have reached the end of their useful life, helping to maintain the integrity of the system.
Three-Phase Power Surge Suppressor

Technical Data

Product Showcase

3 Phase Surge Protection for Electrical Systems
Mounting
Three-Phase Surge Suppressor

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