Your location：Home → low-voltage electrical apparatus → Low-voltage arrester → DBM40,DBM20 series lightning protection module |
Product name： | DBM40,DBM20 series lightning protection module | |||||
| specification： |   Zoom in on the image |
||||||
| Category： | low-voltage electrical apparatus -- Low-voltage arrester | ||||||
| |
Price： | factory price | |||||
| Brand： | Shanghai | ||||||
| Place of Origin： | China | ||||||
| |
Available Quantity： | batch | |||||
| delivery cycle： | Spot goods (or inquire by telephone) | ||||||
 |
|
||||||
Scope of application:
The DBM-40 and DBM-20 series lightning surge protectors are suitable for AC 50/60Hz power supply systems such as TT, IT, TN, etc., to protect the power grid from lightning strikes or surge overvoltage.
DBM-40 and DBM-20 series lightning surge protectors meet the requirements of IEC 61643-1 and GB18802.1 for II pole surge protectors
| model | DBM-40 | DBM-20 | |
| Maximum continuous operating voltage Uc (V) | 275 385 440 | 275 385 440 | |
| DIV VDE 0675 protection level IEC 61643-1、GB 18802.1 |
D Level II | ||
| Nominal discharge current In (8/20) | 20KVA | 10KA | |
| Maximum discharge current Imax (8/20) | 40KVA | 20KA | |
| Voltage protection level Up | 1.5KV 1.8KV 2.0KV | 1.2KV 1.2KV 1.5KV | |
| Response time TA | 〈25ns | ||
| caution function | Visual alert | ||
| Cross sectional area of connecting wire |
6-35mm2 (single strand, multi strand wire) | ||
| Install | 35mm guide rail | ||
| temperature range | -40℃~ +85℃ | ||
| IP rating | IP20 | ||
| External dimensions (single pole) | 90mm×18mm×62mm | ||
| module N-PE |
Nominal voltage Un | 255V/50-60Hz | |
| Insulation resistance Rins | >100MΩ | ||
| Nominal discharge current In | 20KA | ||
| Maximum discharge current Imax | 40KA | ||
| Voltage protection level Up | 1.5KA | ||
| Response time TA | <100ns | ||
| serial number | model | polar number | purpose |
| one | DBM-40/275-2、DBM-20/275-2 | two | TN single-phase system |
| two | DBM-40/275-3、DBM-20/275-3 | three | TN-C, TN-C-S three-phase system |
| three | DBM-40/275-4、DBM-20/275-4 | four | TN-C, TN-C-S three-phase system |
| four | DBM-40/385-2、DBM-20/385-2 | two | TT single-phase system |
| five | DBM-40/385-4、DBM-20/385-4 DBM-40/275-3N、DBM-20/275-3N |
four | TT three-phase system |
| six | DBM-40/440-3、DBM-20/440-3 | three | IT three-phase system |
Related Products： Related articles：
low-voltage circuit breaker low-voltage contactor Low voltage transformer relay Counter | timer 
Low-voltage fuse starter electromagnet resistor Low-voltage arrester 
power capacitor Low voltage reactor dual power switch Low voltage isolator changeover switch Master Electrical Appliance terminal block plug socket electromagnetic chuck Electrotechnical equipment lighting distribution box Low voltage protector Electric cabinet door lock handle Building electrical appliances Home｜Quality Commitment｜Ordering｜Payment method｜product delivery｜support｜Disclaimer｜Contact Us
Copyright®2011 www.91way.com Copyright.
Phone：+86-21-66770508 +86-13916500500 Fax：+86-21-66108310
Email:91way@163.com Wechat:40606422
沪ICP备2021005791号 
沪公网安备31010702003255号
