Surge Protector for Outdoor AC Unit – Weatherproof Protection
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Surge Protector for Outdoor AC Unit -BT 5L-WF BM100 385 3+1(NPT)
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Surge Protector for Outdoor AC Unit -BT 5L-WF BM100 385 3+1(NPT)

Surge Protector for Outdoor AC Unit BT 5L-WF BM100 385 3+1 (NPT) (840973) is designed for installation at the LPZ 0A-2 boundary or higher, providing effective protection for low-voltage equipment against surge damage. It is a combined SPD Class I+II (Type 1+2 / Class B+C) device, suitable for three-phase TT and TN-S power supply systems with a “3+1” circuit configuration. The device is manufactured in accordance with IEC 61643-11:2011, EN 61643-11:2012, and GB 18802.1-2011 standards.

  • Type

    BT 5L-WF BM100 385 3+1(NPT)

  • Art.-No.

    840973

  • Features

    1. Adopting combined TT3+1 system SPD protection module.
    2. Single-pole max. discharge current up to 100kA 8/20us.
    3. NPT connector with 50mm connection wire terminal.
    4. High discharge capacity, quick response.
    5. Visual protection status indication, and failure indication function.
    6. IP65 waterproof protection, suitable for outdoor application.

Inquiry
Download Datasheet
Surge Protector for Outdoor AC Unit
Power Surge Protector
Location of Use: Main Distribution Boards
System Type:
TT/TN-S
Modules:
3P+NPE
Protection Elements:
High Energy MOV+ High Energy GDT
High Surge Currents:
ln=50/100 kA (8/20μs), Imax=100/120kA(8/20μs)

The surge protector for outdoor AC units is designed to safeguard air conditioning systems from lightning strikes and electrical surges. Built for outdoor environments, it features robust, weather-resistant construction to ensure long-term reliability. This surge protection device complies with international standards and is suitable for use in residential, commercial, and industrial settings. It offers Class I+II (Type 1+2) protection, making it effective against both direct lightning strikes and secondary surges. Easy to install and maintain, it helps extend the lifespan of your AC unit while reducing the risk of costly repairs due to surge-related damage.

Features

1. Outdoor-Grade Enclosure – Weatherproof and UV-resistant design for harsh environmental conditions.
2. Class I+II (Type 1+2) Protection – Defends against both direct lightning and induced surges.
3. High Discharge Capacity – Effectively diverts large surge currents to protect AC units.
4. Compatible with AC Systems – Specially designed for use with outdoor HVAC and air conditioning equipment.
5. Thermal Disconnect Safety – Automatically isolates damaged components for fire prevention.
6. Visual Status Indicator – Easily monitor the operational status of the protection device.
7. Easy Installation – Compact, modular design allows fast mounting and replacement.
8. Remote Signaling Option – Supports integration with monitoring systems for real-time alerts.
9. Standards Compliant – Built to IEC 61643-11, EN 61643-11, and UL 1449 standards.
AC Surge Protection

Advantages

1. Protects Expensive Equipment – Prevents costly damage to outdoor AC units caused by lightning and power surges.
2. Increases System Reliability – Keeps air conditioning systems running smoothly, even during electrical disturbances.
3. Reduces Maintenance Costs – Minimizes service calls and part replacements due to surge-related failures.
4. Enhances Safety – Reduces the risk of electrical fires and hazardous conditions during storms.
5. Extends Equipment Lifespan – Preserves the integrity of compressors, motors, and electronic components.
6. Peace of Mind – Offers continuous protection in unpredictable weather and unstable power environments.
7. Easy Integration – Seamlessly fits into existing AC system setups with minimal installation effort.
8. Ideal for All Climates – Designed to perform reliably in both hot and humid or cold and wet conditions.
AC Surge Protector

Applications

1. Residential Homes – Protects outdoor air conditioning units from lightning and surge damage in domestic settings.
2. Commercial Buildings – Ensures uninterrupted cooling by safeguarding HVAC systems in offices, shops, and restaurants.
3. Industrial Facilities – Secures large-scale AC units used in manufacturing plants and warehouses.
4. Hospitality Industry – Provides surge protection for hotel and resort outdoor AC systems to ensure guest comfort.
5. Healthcare Centers – Maintains critical climate control systems in hospitals and clinics.
6. Educational Institutions – Protects AC units on school and university campuses from power surges.
7. Data Centers – Keeps cooling systems operational to protect sensitive IT equipment.
8. Remote or Harsh Environments – Ideal for outdoor units exposed to extreme weather and lightning-prone regions.
BT 5L-WF BM100 385 3+1(NPT) Mounting

Technical Data

Product Showcase

AC SPD T1+T2
AC SPD
Surge Suppressor

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