480 Volt 3 Phase Surge Suppressor For Industrial Power Systems
480 Volt 3 Phase Surge Suppressor -BT 4L-WF PUM120 3WD 480(NPT)
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480 Volt 3 Phase Surge Suppressor -BT 4L-WF PUM120 3WD 480(NPT)

480 Volt 3 Phase Surge Suppressor BT 4L-WF PUM120 3WD 480(NPT) (815711) installed in LPZ 0-2 boundary or higher, protecting low voltage equipment from surge damages. Applied in combined SPD Type 1 (Class 1) for 3 Phase Delta/3W+G. Designed according to IEC 61643-11 and UL 1449-4" type 4-1 combined SPD device.
  • Type

    BT 4L-WF PUM120 3WD 480(NPT)

  • Art.-No.

    815711

  • Features

    1. Adopting combined SPD (Type 1) protection module.
    2. Max. lightning discharge current up to 120kA 8/20us.
    3. Built-in wiring terminal, easy for connection.
    4. Mode of protection: L1, L2, L3 and GND.
    5. High discharge capacity, quick response.
    6. Visual protection status indication, and failure indication function.
    7. IP65 waterproof protection, suitable for outdoor application.
    8. Suitable for 3 Phase 480V Delta system (3W+G).

480 Volt 3 Phase Surge Suppressor
Suitable for 3 Phase 480V Delta system (3W+G).
Mode of protection: L1, L2, L3 and GND.
Protection elements: High Energy MOV
Surge Ratings:
In=60kA(8/20μs)
High Surge Currents:
Imax=120kA(8/20μs)

480 Volt 3 Phase Surge Suppressor is designed to protect industrial three-phase electrical systems from high-energy voltage surges caused by lightning, switching operations, or grid instability. It is commonly installed in main distribution panels, motor control centers, and heavy machinery power lines. By balancing surge energy across all three phases and safely diverting excess voltage to ground, it prevents damage to motors, drives, and sensitive industrial equipment. This device ensures stable power quality, reduces downtime, and enhances operational reliability in demanding industrial environments with high electrical load requirements.

Features

1. Three-Phase System Protection: Specifically designed for 480V industrial three-phase power systems, ensuring balanced surge suppression across all phases.
2. High Energy Surge Handling: Capable of managing large transient voltage spikes caused by lightning and heavy switching loads.
3. Motor and Drive Protection: Safeguards industrial motors, VFDs, and control drives from damaging overvoltage conditions.
4. Centralized Panel Installation: Installed in main distribution boards or MCC panels for whole-system surge protection coverage.
5. Fast Response Time: Reacts instantly to voltage surges to minimize exposure of sensitive equipment.
6. Industrial Grade Durability: Built to withstand harsh environments including vibration, heat, and continuous load operation.
7. Stable Power Quality Support: Helps maintain consistent voltage levels across all phases for improved system performance.
480v surge protector

Advantages

1. Protection for Heavy Industrial Equipment: Prevents damage to motors, compressors, pumps, and production machinery caused by surge events.
2. Reduced Production Downtime: Minimizes unexpected shutdowns in three-phase industrial systems, ensuring continuous operation.
3. Extended Equipment Lifespan: Reduces electrical stress on high-load systems, improving durability and service life.
4. Improved Electrical Stability: Maintains balanced voltage across all phases, supporting stable industrial power distribution.
5. Lower Maintenance Costs: Reduces repair frequency and replacement costs for critical industrial assets.
6. Enhanced Operational Safety: Helps prevent electrical faults that could lead to equipment failure or safety risks.
7. Scalable System Protection: Can be integrated into large industrial networks and expanded power systems.
480v 3 phase surge protector

Applications

1. Manufacturing Plants: Protects production lines, CNC machines, and automated equipment in heavy industrial environments.
2. Motor Control Centers (MCC): Provides surge protection for centralized motor control systems and distribution panels.
3. Industrial Machinery Systems: Safeguards compressors, pumps, conveyors, and high-power mechanical equipment.
4. Power Distribution Systems: Installed in main electrical panels to protect entire three-phase distribution networks.
5. Heavy Industry Facilities: Suitable for steel plants, mining operations, and large-scale industrial complexes.
6. HVAC and Cooling Systems: Protects large industrial HVAC systems and chillers powered by 480V three-phase supply.
7. Energy and Utility Infrastructure: Used in substations and industrial energy systems requiring stable high-voltage protection.
BT 4L-WF PUM120 3WD 480(NPT) Installation

Technical Data

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