Summary:
For installation at LPZ 0_A-1 or higher, Adopting class I SPD to combine "1+1 circuit", protecting low voltage equipment from surge damage. Applied in the main distribution box or Class 1 (Class B) for TT and TN main power supply system . Designed according to IEC 61643-11 / EN61643-11 / GB 18802.1.

Main Character:
•  Adopting class 1 SPD for single-phase TT/TN system
•  Lightning discharge current up to 50kA 10/350µs
•  Bulit-in circuit breaker, and thermal disconnection device
•  Water proof level IP65, suitable for indoor or outdoor application
 

Parameter:

FAQ
Q: Are you a factory or a trade company?  
A: We are the factory.

Q: Where are your products distributed?   
A: Our products are distributed all over the world, Main market are Europe, North America, the United Arab Emirates, Africa and so on.

Q: Can I have a sample?   
A: Yes, but according to our company's policy, we provided free samples, while you should pay the freight fee; the sample can be delivered by TNT/DHL/UPS/FEDEX.

Q: Which port is the nearest from you?   
A: Guangzhou port or Shenzhen Port or Hong Kong port.

Q: What's your lead time?
A: Sample lead time: 3~5 working days. Mass production: usually 10~30days.
For big orders, honestly, it depends on the order quantity and designs.

Q: When can I get the price?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry as priority.
 
Q: Can you do the design for us?
A: Yes, we have a professional team having rich experience in molding design, electrical system developing and manufacturing. Please just tell us your ideas and we will help you to carry out your ideas into a perfect artwork. You can pay for the molding fee and own the mold by yourself or we can cooperate on the molding.

Q: OEM & ODM are accepted or not?
A: OEM&ODM are welcome. 

Type	BT U BCM 255/25 1+1	BT U BCM 320/25 1+1	BT U BCM 380/50 1+1	BT U BCM 440/50 1+1
Nominal voltage 50/60Hz [UN]	250V~	250V~	380V~	400V~
Rated voltage (max. continuous voltage) [Uc] L-N / N-PE	255V~ / 255V~	320V~ / 255V~	380V~ / 255V~	440V~ / 255V~
Total lightning impulse current (10/350) [Iimp]	50kA	50kA	100kA	100kA
Lightning impulse current (10/350) [Iimp] L-N / N-PE	25kA/50kA	25kA/50kA	50kA/100kA	50kA/100kA
Nominal discharge current (8/20) [In] L-N / N-PE	50kA/75kA	50kA/75kA	100kA/200kA	100kA/200kA
Voltage protection level at In [Up] L-N / N-PE	≤ 1.5kV / ≤ 1.5kV	≤ 1.5kV / ≤ 1.5kV	≤ 2.0kV / ≤ 1.5kV	≤ 2.5kV / ≤ 1.5kV
Response time [tA]  L-N / N-PE	≤ 100ns / ≤ 100ns	≤ 100ns / ≤ 100ns	≤ 100ns / ≤ 100ns	≤ 100ns / ≤ 100ns
Follow current extinguishing capability ant Uc L-N / N-PE	32A fuse will not be triggered at 2kArms 100Arms
Operating temperature range [Tu]	-40°C...+80°C
Power supply input	10A, 250V plug
Power supply output	Socket box
Connection cable	2.5mm2 (L/N/PE), length 400mm
Mounting on	4 * M5 screw
Enclosure material	IP65, white plastic enclosure
Dimension	200 x 165 x 100 (mm)
Test standards	IEC 61643-11; EN 61643-11, GB 18802.1
Certification	CE (LVD, EMC), Rohs
Ordering information
Type	BT U BCM 255/25 1+1	BT U BCM 320/25 1+1	BT U BCM 380/50 1+1	BT U BCM 440/50 1+1
Art.-No.	840 311	840 312	840 313	840 314
Packing unit	1pc(s)	1pc(s)	1pc(s)	1pc(s)