House Lightning Protection System -BT P BCM TT 320 RM/S

House Lightning Protection System BT P BCM TT 320 RM/S (801118) is designed for installation in LPZ 0A–2 or higher zones, offering reliable protection for low-voltage equipment against power surges, with an optional remote terminal feature. It is a pluggable SPD Class I + Class II device suitable for three-phase TT/TN-S (“3+1” circuit) power supply systems. Developed and tested in accordance with IEC 61643-11:2011, EN 61643-11:2012, and GB/T 18802.11-2020 standards, it ensures superior surge protection and stable performance for residential and commercial electrical systems.

Type

BT P BCM TT 320 RM/S
Art.-No.

801118
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. Power system frequency: 50/60 Hz.
6. Suitable for use in three phase: 220V/380V(50/60 Hz), 230V/400V(50/60 Hz) AC systems.
7. Suitable for TT/ TN-S installations.

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Location of Use:
Main Distribution Boards

System Type:
Three Phase, 320V AC 3P+N

Protection Elements:
High Energy MOV+ High Energy GDT

Mode of protection: L-N, N-PE

Surge Ratings:
Iimp=8kA/37.5kA(10/350μs) In=40kA/50kA(8/20μs), High Surge Currents:
Imax=75kA/100kA(8/20μs)

House Lightning Protection System provides comprehensive safety for residential properties by diverting high-voltage lightning energy safely to the ground before it can damage electrical systems or structures. Designed for modern homes, it integrates advanced surge protection, grounding, and conductor technology to ensure reliable, maintenance-free defense against lightning strikes and transient overvoltage events.

Features

1. Complete Protection Network: Includes air terminals, down conductors, grounding rods, and surge protective devices.
2. High Conductivity Materials: Constructed with copper or aluminum for superior electrical performance and corrosion resistance.
3. Fast Energy Dissipation: Safely channels lightning currents into the ground within microseconds.
4. Surge Suppression Integration: Incorporates SPDs to protect electrical wiring and household appliances.
5. Weatherproof Design: Engineered to withstand extreme weather and outdoor exposure.
6. Flexible Installation: Suitable for new homes, renovations, and retrofits without major modifications.
7. Standards Compliance: Designed in accordance with IEC/EN 62305 lightning protection and safety standards.
8. Low Maintenance: Long-lasting materials ensure years of protection with minimal servicing required.
9. Customizable Configuration: Adaptable to building layout, roof type, and regional lightning conditions.

Advantages

1. Safety for Home and Family: Prevents fire, shock, and electrical hazards caused by lightning strikes.
2. Reliable Surge Defense: Protects all household electronics, HVAC systems, and appliances from voltage surges.
3. Enhanced Property Value: Increases the safety rating and insurance value of the home.
4. Cost-Effective Protection: Minimizes potential damage and replacement expenses after severe weather.
5. Continuous Operation: Ensures uninterrupted power and protection even during storms.
6. Eco-Friendly Solution: Passive grounding system operates without external energy consumption.
7. Long-Term Investment: Durable construction guarantees decades of consistent performance.

Applications

1. Single-Family Homes: Protects residential buildings from direct lightning strikes and induced surges.
2. Smart Homes: Shields automation systems, sensors, and smart devices from transient voltages.
3. Villas and Country Houses: Ideal for large homes or remote locations with higher lightning exposure.
4. Apartment Complexes: Provides centralized protection for shared power and communication systems.
5. Vacation Homes: Ensures safety for seasonal or unattended properties during storms.
6. Rural and Coastal Properties: Reliable for areas with frequent lightning or unstable power grids.

Technical Data

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Type	BT P BCM TT 150 RM/S	BT P BCM TT 275 RM/S	BT P BCM TT 320 RM/S
Art.-No.	801132	801117	801118
According to IEC 61643-11/EN 61643-11	Class I + Class II / Type 1 + Type 2
AC Nominal voltage [U_N]	120V/240V	230V/400V	230V/400V
Rated voltage (max. continuous voltage) [Uc] [L-N / N-PE](50/60Hz)	150V/255V	275V/255V	385V/255V
Lightning impulse current (10/350μs) [I_imp][L-N / N-PE]	15kA/37.5kA	15kA/37.5kA	15kA/37.5kA
Nominal discharge current (8/20μs) [In][L-N / N-PE]	40kA/50kA	40kA/50kA	40kA/50kA
Max. discharge current (8/20μs) [Imax][L-N / N-PE]	75kA/100kA	75kA/100kA	75kA/100kA
Voltage protection level at In [Up][L-N / N-PE]	≤ 1.2kV/ ≤ 1.5kV	≤ 1.5kV/ ≤ 1.5kV	≤ 1.6kV/≤ 1.5kV
Response time [tA][L-N / N-PE]	≤ 25ns/≤ 100ns
Follow current extinguishing capability at Uc[I_f] (N-PE)	100A_rms
Max. back up fuse [F]	160A gL/gG
Operating temperature range [Tu]	-40°C…+80°C
Failure indication	Red: faulty
Cross-sectional area	1.5mm² (16AWG)~25mm² (4AWG) solid / 35mm²(2AWG) flexible
Mounting on	35mm DIN rail, EN 60715
Number of remote terminals	1(or Optional)
Enclosure material	Light gray (base) thermoplastic, UL94-V0
Dimension	4 mods (72mm wide)
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
Type of remote signaling contact	Switching contact
Switching capacity a.c.	250V/0.5A
Switching capacity d.c.	250V/0.1A, 125V/0.2A, 75V/0.5A
Cross-sectional area for remote signaling contact	Max. 1.5mm² (6AWG) solid/flexible