Surge Protective Device

  • LT-25T T1+T2 Wind power surge protection device
  • LT-25T T1+T2 Wind power surge protection device

LT-25T T1+T2 Wind power surge protection device

Mainly used for providing T1 lightning protection for various electronic and electrical equipment susceptible to lightning overvoltage in buildings.Mainly used as Tl protection for the main distribution system.

Characteristic

Location of Use: main distribution cabinet, JP cabinet etc. Rated Voltage Systems: TN-S, TN-C, TT

Mode of Protection: L-PE, N-PE, L-N

Protective Elements: High Energy Graphite

Chinese Standard: GB/T 18802.11-2020

IECstandard: IEC61643-11:2011

European standard: EN 61643-11: 2011 Certificates: TUV, CE, CQC


Technical Dara

Max Continuous Operating Voltage

(AC) Uc

275V

320V

385V

440V

Rated Voltage

(AC) Un

220V

220V

220V

220V

Maximum impact current(T1)

limp

15kA

15kA

15kA

15kA

Protection level

Up(L-N)

1.2 kV

1.4kV

1.6kV

2.0kV

Protection level

Up(N-PE)

1.6kV

1.6kV

1.6kV

1.6kV

Follow Current Interrupt Rating


300A

Response Time

tA

25ns

Back up fuse

LT-SSD15X

TOV

N-PE

1200V

Residual current-Leakage current at Uc

lpe

NONE

Admissible short-circuit current

Isccr

50000A

Remote  communication

With

Remote communication connection

1411:NO,1112:NC

Remote contact rated current

220V/0.5A


Associated disconnectors

Thermal disconnector

internal

ground fault breaker

None

 

Mechnical characteristics

Connection

By screw terminals:6-25 mm²

Terminal Screw Torque

2.5 Nm

Recommended Cable cross Section

≥16mm2

Insert wire length

15mm

Mounting

DIN  rail  35mm(EN60715)

Degree of Protection

IP20

Housing

PS

Flame retardant grade

UL94  V0

Operating  temperature

40℃~+70℃

Operating relative humidity

5%-95%

Working atmospheric pressure

70kPa~  106kPa



Size

Poles1P1+NPE2P3P4P3+NPE
Size(mm)36×90×7272×90×7272×90×72108×90×72144×90×72144×90×72
PackingInner box
Delivery packagingCarton or Pallet


Dimensional drawing

雷泰34126  01.jpg