Lightning protection for power system Class 2 - 380B/220B

380B/220B
Application range: 380B/220B series are applied to equipotential bonding of the main low voltage distribution boxes in the building, providing protection against the overvoltage arising from the lightning strike to power supply system of class 2 or faulty operation.( option from standard IEC61643- 1 and Gb50343)
Main structure and work principle.
☆ Plug& Play design, live-wire replacement, easy maintenance.
☆ Build-in temperature control and circuit breaking technology, high security performance
☆ Green light in notice window indicates normal, red indicates broken, replacement notice, which are clear and easy distinguished.
☆ Optional telesignalisation monitoring interface, realizable remote monitoring.
☆ Function of lightning protection backup half of protection ability is avaliable while either red light on
☆ Assembled 1P+N 2P 3P+N 4P etc pattern. applied for various electric network system
Invalid disengage device
When the protector is overheated and invalid arising from the aging or breakdown, the build-in invalid disengage device can automatically break away fromthe electric network , meanwhile reporting failure signal. The indicator is light off while in regular work, will turn into red after invalid and disengagement. Normal for light off Replace for any red light on

Main technical data
Type 380B/220B NPE
Max. continuous AC Voltage Uc 275 385 420 275
Voltage protection level Up KV ＜2.0 ＜2.2 ＜2.5 ＜1.5
Norminal discharge current In (8/20μs) kA 40 40
Max. Discharge current Imax (8/20μs) kA 80 80
Leakage current 75% Uc 1mA ≤20μA --
Response time ns ＜25 ＜100
Compound mode 1P+N、2P、3P+N、4P
Enclosure material enhanced flame retardant nylon (light gray ,flame retardancy:V0)
Max. backup fuse/airbreak switch 125A gL/63A
Cross-sectional area ≥10mm 2 stranded/flexible
Ordering description
Type/assemblage Type/assemblage
380B-B/3+NPE 220B-B/1+NPE
380B-B/4 220B-B/2