3 Phase Surge Protection -BT P BCM 25 RM/4P
3 Phase Surge Protection BT P BCM 25 RM/4P(800914) is for installation at LPZ 0A-1 or higher, protecting low voltage equipment from surge damage. Applied in modular SPD Class I + Class II (Class B + Class C) for 3 phase TN-S ("4+0" circuit) power supply system. Designed according to IEC 61643-11:2011 ; EN 61643-11:2012; GB 18802.1-2011.
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Type
BT P BCM 25 RM/4P
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Art.-No.
800914
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Location of Use:
Main Distribution Boards
Main Distribution Boards
System Type:
3 Phase TN-S
3 Phase TN-S
Modules:
4P
4P
Protection Elements:
High Energy GDT
High Energy GDT
High Surge Currents:
limp=25kA(10/350μs), Imax=75kA(8/20μs)
limp=25kA(10/350μs), Imax=75kA(8/20μs)
The 3 Phase Surge Protection - BT P BCM 25 RM/4P is a surge protective device (SPD) designed to provide high-level protection against electrical surges and transients in three-phase electrical systems. It is specifically engineered to safeguard critical industrial, commercial, and residential equipment from the harmful effects of lightning strikes, power system switching, or other voltage surges that may occur in power lines.
Product Overview:
3 Phase Surge Protection: This device is designed to protect three-phase systems. It is typically used in environments where three-phase electrical power is distributed, such as in industrial equipment, machinery, and large electrical installations. BT P BCM 25 RM/4P: This model name likely indicates the series (BT), the protection type (P), and specific features. The "BCM 25" could refer to its rated current or specific surge handling capacity, while "RM" indicates it is suitable for rail-mounting (DIN rail mounting) in electrical cabinets. The "4P" suggests that it provides protection for 4 poles (for 3-phase systems with neutral).
Key Features:
Surge Protection for 3-Phase Systems: The device is designed for protecting three-phase electrical systems and is capable of handling surges that may affect all three phases and neutral (4 poles: L1, L2, L3, and Neutral). Multi-Stage Protection: Likely incorporates multiple protection stages such as Metal Oxide Varistor (MOV) or Gas Discharge Tubes (GDT), which absorb and dissipate the surge energy, ensuring high surge capacity and protection for sensitive equipment. Rated for High Surge Energy: The device is engineered to handle high surge energy (typically indicated by the model numbers or datasheets) and is designed to withstand large voltage spikes that could damage electrical systems and connected equipment.
Design and Installation:
DIN Rail Mountable: The device is designed for easy installation on a DIN rail, a standard mounting system used in industrial control panels and electrical enclosures. This feature allows quick and convenient integration into existing systems. Compact and Space-efficient: The device has a compact design, ensuring that it does not occupy excessive space on the electrical panel and allows for easy expansion of the protection system in the future.
Rated Voltage and Current:
Rated Voltage: Typically designed to work with 400V AC three-phase systems (though the exact voltage rating should be confirmed by the product datasheet). This makes it suitable for industrial, commercial, and residential electrical systems operating at 400V AC or similar voltage ratings. Surge Current Rating: The device is rated for a specific surge current capacity, indicating the maximum amount of surge current it can safely divert without failing. It may be rated for 25 kA or higher (based on the model name "BCM 25"), which is common for industrial surge protection devices.
Protection Characteristics:
Four-Pole Protection (4P): The 4P designation indicates that the device provides protection for four poles: three phases (L1, L2, L3) and neutral. This ensures that the device protects not just the live phases but also the neutral wire, which can also be subject to surges, particularly in cases of lightning strikes or power system issues. Clamping Voltage: The device is designed to clamp the surge voltage to a safe level, ensuring that the surge voltage does not exceed the tolerance of the protected equipment. The clamping voltage is typically low enough to avoid any disruption to the normal operation of the system.
Applications:
Industrial Systems: This device is ideal for protecting industrial machinery and motor control systems that operate on three-phase power. It prevents damage caused by voltage surges that can disrupt operations or cause costly downtime. Commercial Buildings: In commercial buildings, where three-phase power is used for HVAC systems, lighting, and large equipment, this surge protector ensures continuous operation by protecting against power spikes. Renewable Energy Systems: It can be used to protect three-phase renewable energy systems, such as solar inverters or wind turbine controllers, from surges that could harm sensitive equipment. Data Centers and Critical Infrastructure: Protection for servers, data transmission equipment, and telecommunications infrastructure that rely on three-phase power for stable operation.
Advantages:
High Surge Capacity: With a high surge current rating, the device can handle powerful surges, such as those caused by lightning strikes, ensuring the safety of the connected equipment. Extended Equipment Lifespan: By protecting equipment from high-energy surges, the device reduces the risk of damage, helping to extend the lifespan of sensitive electrical components. Improved System Reliability: Ensures that the electrical system remains operational and free from damage, reducing the risk of unscheduled downtime, which is crucial in industrial and commercial environments.
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