Single Phase Surge Protection Device – Safe Power Defense
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Single Phase Surge Protection Device – BT 3L BM 240 RM
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  • Features
  • Datasheet
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Single Phase Surge Protection Device – BT 3L BM 240 RM

The Single Phase Surge Protection Device BT 3L BM 240 RM (820301) is designed for installation at the LPZ 0B–1 interface, where it provides reliable protection for electronic equipment against transient overvoltages on the power supply line. It is ideal for safeguarding computers, communication systems, and control equipment in single-phase power networks. This device offers combined Type 1, Type 2, and Type 3 surge protection and is engineered in compliance with IEC 61643-11:2011, EN 61643-11:2012, and GB/T 18802.11-2020 standards.

  • Type

    BT 3L BM 240 RM

  • Art.-No.

    802301

  • Features

    1. All wires (phase line to neutral line, phase line to ground, neutral line to ground full protection mode) voltageprotection level is very low.
    2. Full protection design, able to handle part of lightning current, protection equipment can continue normal operation.
    3. Visual protection status indication, with pre-failure indication and failure indication function.
    4. With remote alerting function, remote waming signal can be connected to the remote monitoring management system platform buzzer or LED.
    5. Visual warning indication of neutral/ground line fault due to faulty wiring.
    6. Solid housing, base can be used as ultra-low inductance grounding metal panel.
    7. Suitable for use in single phase: 220V-240V(50/60 Hz）AC systems.

Inquiry
Download Datasheet
Single Phase Surge Protection Device
1-Φ Surge Protection Device
Location of Use:
Main Distribution Boards
System Type:
Single Phase
T1+T2+T3,
Full Protection
Surge Ratings:
In=20kA(8/20μs)，Iimp=6.25kA(10/350μs)
High Surge Currents:
Imax=40kA(8/20μs)， Iimp（total）=12.5kA(10/350μs)

A Single Phase Surge Protection Device is designed to protect electrical systems and connected equipment from voltage spikes and transient surges in 220V–250V AC single-phase power networks. Ideal for residential, commercial, and small office use, it safeguards devices such as appliances, computers, HVAC systems, and security equipment. With Class II or Class I+II protection, it features a compact, modular design for easy installation, visual status indication, and optional remote signaling. Compliant with IEC 61643-11 standards, it ensures reliable and long-lasting protection.

Features

1. Single-Phase Power Compatibility: Specifically designed for 220V–250V single-phase AC power systems.
2. Class II or Class I+II Protection: Offers reliable surge protection for residential and light commercial applications.
3. Compact Modular Design: Space-efficient and pluggable modules allow easy installation and replacement.
4. Thermal Disconnector: Automatically disconnects the SPD in case of overheating or failure for added safety.
5. Visual Status Indicator: Provides real-time monitoring of the protection status for quick maintenance checks.
6. Optional Remote Signaling: Enables integration with alarm or building management systems for remote fault detection.
7. Full/Common Mode Protection: Protects line-to-neutral and line-to-ground paths against transient overvoltages.
8. Standards Compliance: Conforms to IEC 61643-11, EN 61643-11, and GB/T 18802.11 for global reliability.
Single-Phase Surge Arrester

Advantages

1. Protects Your Investment: Prevents costly damage to electronics and appliances caused by unpredictable power surges.
2. Minimizes Business Disruptions: Helps maintain uninterrupted operation of critical systems in homes, offices, and small businesses.
3. Reduces Maintenance Costs: Decreases the frequency of repairs or replacements due to surge-related damage.
4. Promotes Electrical Safety: Helps lower the risk of electrical fires or system failures from overvoltage conditions.
5. Increases System Longevity: Preserves the health of connected equipment, extending its useful life and performance.
6. Simple to Maintain: Quick visual checks and modular replacement reduce downtime and service effort.
7. Improves Peace of Mind: Ensures stable power delivery, even in areas with frequent electrical disturbances.
Single-Phase Transient Voltage Surge Suppressor (TVSS)

Applications

1. Residential Homes: Protects appliances, smart home systems, and entertainment devices from electrical surges.
2. Small Offices and Shops: Safeguards computers, printers, routers, and point-of-sale equipment.
3. Security Systems: Shields CCTV cameras, alarm panels, and access control systems from surge damage.
4. HVAC Units: Prevents surge-related failures in single-phase air conditioning and ventilation equipment.
5. Home Automation: Ensures stable operation of smart lighting, blinds, thermostats, and controllers.
6. Control Panels: Used in small-scale automation systems and distribution boards for local protection.
7. Communication Devices: Protects modems, telephones, and home network equipment connected to AC power.
8. Renewable Energy Systems: Applied in single-phase solar inverter and battery setups to guard against surges.
BT 3L BM 240 RM Mounting

Technical Data

Product Showcase

SPD for Single-Phase Systems
Single-Phase Surge Protector
Single Phase SPD

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