Electronics Surge Protection Box -BT 5L BM160 275 RM/3+1

The Electronics Surge Protection Box BT 5L BM160 275 RM/3+1 (840502) installs at the LPZ 0B-1 boundary or higher. It protects low-voltage equipment and systems from surge damage. Ideal for main or sub-distribution power supply systems, it supports SPD Class I+II (Class B+C) for three-phase setups. The device follows IEC 61643-11, EN 61643-11, and GB/T 18802.11 standards for reliable and compliant surge protection.

Type

BT 5L BM160 275 RM/3+1
Art.-No.

840502
Features

1. Adopting SPD class l+ll (class B+C) combined "3+1" circuit for TT/TN-S system.
2. Single-pole module max. lightning discharge current up to L-N 160kA/ N-PE 200kA (8/20us).
3. Built-in circuit breaker (MCB), prewired with SPD, windows for green indication of working status and red fault indication.
4. Impulse counter function, recording the lightning events.
5. External wiring terminal, easy for connection.

Inquiry

Download Datasheet

Location of Use:
Sub-Distribution Boards

System Type:
Three Phase, TN-S/TT

Protection Elements:
High Energy MOV+ High Energy GDT

Surge Ratings:
In=80kA/100kA(8/20μs)

High Surge Currents:
Imax=160/200kA(8/20μs)

An Electronics Surge Protection Box is designed to protect sensitive electronic devices from voltage spikes and transient surges. Ideal for use with home and office equipment such as TVs, computers, routers, and gaming consoles, it provides reliable defense against power fluctuations. Featuring multiple outlets, built-in overload protection, and surge suppression circuits, it ensures safe and uninterrupted operation of connected devices. Compact and easy to install, it’s a cost-effective solution for extending the life and performance of valuable electronics.

Features

1. Multi-Outlet Design: Provides multiple sockets to protect several electronic devices simultaneously.
2. Advanced Surge Protection: Shields connected devices from voltage spikes and transient surges.
3. Overload Protection: Automatically shuts off power in case of overload to prevent damage.
4. Built-In Circuit Breaker: Resets easily after fault conditions for continuous protection.
5. LED Indicator Lights: Clearly displays surge protection and power status for user awareness.
6. Fire-Retardant Casing: Durable and heat-resistant housing enhances safety in everyday use.
7. Noise Filtering: Reduces electrical interference to improve performance of sensitive electronics.
8. Universal Compatibility: Suitable for computers, TVs, routers, printers, and home entertainment systems.

Advantages

1. Protects Multiple Devices: Safeguards several electronics at once, reducing the risk of damage from power surges.
2. Prevents Costly Repairs: Helps avoid expensive repairs or replacements due to surge-related failures.
3. Enhances Equipment Lifespan: Minimizes electrical stress on devices, extending their operational life.
4. Improves Home Safety: Built-in overload and surge protection reduce the risk of fire or electrical hazards.
5. Convenient Monitoring: LED indicators show protection and power status at a glance.
6. Space-Saving Design: Compact form factor keeps your space organized and clutter-free.
7. Easy to Use: Plug-and-play operation requires no setup or technical knowledge.

Applications

1. Home Entertainment Systems: Protects TVs, soundbars, gaming consoles, and streaming devices from power surges.
2. Computer Workstations: Safeguards desktops, monitors, printers, and external drives in home or office setups.
3. Internet and Networking Equipment: Shields routers, modems, and network switches from voltage spikes.
4. Home Office Equipment: Ideal for protecting laptops, phone chargers, scanners, and other peripherals.
5. Dorm Rooms and Apartments: Offers reliable surge protection for compact living spaces with multiple electronics.
6. Classrooms and Labs: Ensures safety for projectors, PCs, and instructional tech in educational settings.
7. Small Business Setups: Protects POS systems, receipt printers, and communication equipment.
8. Smart Home Devices: Safeguards smart speakers, hubs, cameras, and other connected home technology.

Technical Data

Product Showcase

Start Your Project

We will respond to you within 24 hours after receiving your request email.

3 Years Warranty
Free Customized Design
Welcome OEM and ODM Service
CE RoHS CB KEMA TUV Certificates
Surge Protecetive Device（SPD）Factory
30+ Years Surge Protector SPD Experiences

Type	BT 5L BM 150/160 3+1	BT 5L BM 275/160 3+1	BT 5L BM 320/160 3+1	BT 5L BM 385/160 3+1
Art.-No.	840501	840502	840503	840505
According to IEC 61643-11/EN 61643-11	Class I + Class II / Type 1+ Type 2
AC Nominal voltage [UN]	120V/208V	277V/480V	277V/480V	277V/480V
Rated voltage (max. continuous voltage) [Uc]	150V(L-N)/255V(N-PE)	275V(L-N)/255V(N-PE)	320V(L-N)/255V(N-PE)	385V(L-N)/255V(N-PE)
Nominal discharge current (8/20μs) [In]	80kA(L-N)/100kA(N-PE)	80kA(L-N)/100kA(N-PE)	80kA(L-N)/100kA(N-PE)	80kA(L-N)/100kA(N-PE)
Max. discharge current (8/20μs) [Imax]	160kA(L-N)/200kA(N-PE)	160kA(L-N)/200kA(N-PE)	160kA(L-N)/200kA(N-PE)	160kA(L-N)/200kA(N-PE)
Lightning impulse current (10/350μs) [Iimp]	50kA(N-PE)	50kA(N-PE)	50kA(N-PE)	50kA(N-PE)
Voltage protection level at In [Up]	≤ 2.0kV(L-N)/ ≤ 2.5kV(N-PE)	≤ 2.2kV(L-N)/ ≤ 2.5kV(N-PE)	≤ 2.7kV(L-N)/≤ 2.5kV(N-PE)	≤ 3.5kV(L-N)/≤ 2.5kV(N-PE)
Short circuit current rating [I_SCCR]	200kA
Frequency range[Hz]	50~60 Hz
Response time [tA]	≤ 25ns(L-N)/≤ 100ns(N-PE)
Follow current extinguishing capability at Uc[I_f]	100A_rms(N-PE)
Bulit-in back up fuse (MCB)	C32A
Bulit-in impulse counter	0-999，3 digits（Type：IC 03）
Operating temperature range [Tu]	-40°C…+80°C
Failure indication	Power： Green light ；Faulty：Red light
Cross-sectional area	10mm² ~35mm² solid / flexible
Mounting on	Wall installation（Screws fixing）
Enclosure material	Black mater Enclosure
Degree of Protection	IP 20
Place of installation	Indoor
Compliance	IEC 61643-11:2011 ; EN 61643-11:2012; GB/T 18802.11-2020
Certification	CE; RoHS