3 Phase Surge Protection Device – Reliable Power Safety
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3 Phase Surge Protection Device​ -BT PCM TNS 385 RM
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3 Phase Surge Protection Device​ -BT PCM TNS 385 RM

The 3 Phase Surge Protection Device BT PCM TNS 385 RM (810835) is designed for installation at LPZ 0B-1 or higher, providing reliable protection for low-voltage equipment against surge damage. It is a modular SPD Class II (Class C) device, tailored for 3 Phase TN-S ('4+0' circuit) power supply systems. Built in compliance with IEC 61643-11:2011, EN 61643-11:2012, and GB/T 18802.11-2020 standards, this unit ensures dependable performance and safety in demanding electrical environments.

  • Type

    BT PCM TNS 385 RM

  • Art.-No.

    810835

  • Features

    1. Pluggable module, easy for installation and maintenance.
    2. High discharge capacity, quick response.
    3. Double thermal disconnector devices, providing more reliable protection.
    4. Green window will change when fault and also provide remote alarm control at the same time.
    5. Surge protection device has passed KEMA-KEUR certification.
    6. Suitable for use in three phase: 220V/380V(50/60 Hz), 230V/400V(50/60 Hz) and 240V/415V(50/60 Hz) AC systems.
    7. Suitable for TN-S installations.

Inquiry
Download Datasheet
3 Phase Surge Protection Device​
Protector contra sobretensiones
Location of Use:
Sub-Distribution Boards
System Type:
TN-S, AC SPD 4P 385V 20kA-40kA, Three Phase
Protection Elements:
High Energy MOV
Mode of protection: L-PE, N-PE
Surge Ratings:
In=20kA(8/20μs), High Surge Currents:
Imax=40kA(8/20μs)

The 3 Phase Surge Protection Device delivers robust defense against transient overvoltages, lightning strikes, and power surges in industrial and commercial electrical networks. Engineered with advanced suppression technology, it safeguards sensitive equipment, reduces costly downtime, and prolongs system lifespan. Perfect for factories, data centers, and power distribution setups, it combines high reliability, easy installation, and full compliance with global safety standards.

Features

1. High Surge Protection: Shields low-voltage equipment from transient overvoltage, lightning strikes, and surge events.
2. Modular SPD Class II (Class C) Design: Easy to maintain and replace without disrupting the entire system.
3. Designed for 3 Phase TN-S (‘4+0’ Circuit) Systems: Optimized for stable and efficient performance in TN-S power networks.
4. LPZ 0B-1 or Higher Installation: Suitable for various surge protection zones to meet system design needs.
5. International Standard Compliance: Meets IEC 61643-11:2011, EN 61643-11:2012, and GB/T 18802.11-2020 requirements.
6. Enhanced Equipment Lifespan: Minimizes downtime and protects sensitive electronics from costly damage.
Supresor de sobretensiones

Advantages

1. Reliable Performance: Consistently protects electrical systems from damaging surges, ensuring uninterrupted operation.
2. Extended Equipment Life: Reduces wear and tear on sensitive components, lowering maintenance and replacement costs.
3. Easy Maintenance: Modular design allows quick replacement of individual modules without full system downtime.
4. Broad Application Range: Suitable for industrial, commercial, and critical infrastructure power systems.
5. Compliance Assurance: Fully meets IEC, EN, and GB/T international standards for surge protection safety.
6. Cost Efficiency: Prevents expensive downtime and damage-related repairs.
7. Compact Installation: Saves panel space while delivering robust surge protection performance
BT PCM TNS 385 RM Dimension

Applications

1. Industrial Facilities: Protects machinery, control systems, and automation equipment from surge damage.
2. Commercial Buildings: Safeguards electrical systems in offices, shopping centers, and hotels.
3. Data Centers: Ensures continuous operation of servers, networking devices, and storage systems.
4. Power Distribution Systems: Provides surge protection for switchboards and distribution panels.
5. Telecommunication Installations: Secures base stations, signal equipment, and communication infrastructure.
6. Transportation Hubs: Protects critical electrical systems in airports, railways, and metro stations.
7. Renewable Energy Systems: Shields solar, wind, and other green energy setups from voltage surges.
BT PCM TNS 385 RM Circuit

Installation

1. Safety First: Disconnect power supply before installation to prevent electrical hazards.
2. Location: Install the SPD as close as possible to the main distribution board for maximum protection.
3. Mounting: Secure the SPD on a DIN rail inside the electrical panel.
4. Wiring Sequence: Connect L1, L2, L3, and N terminals according to the wiring diagram provided by the manufacturer.
5. Grounding: Ensure a reliable earth connection with a low impedance path to discharge surge energy safely.
6. Tight Connections: Use the correct torque for terminal screws to avoid loose connections.
7. Indicator Check: Verify LED indicators for each phase after power restoration to ensure proper operation.
8. Test & Inspect: Perform functional tests and schedule periodic inspections for ongoing protection.
3-Phase Surge Suppressor

Technical Data

Product Showcase

Three-Phase Surge Protective Device (SPD)
3-Phase Surge Protection
Three-Phase Surge Protection

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