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Product introduction
Germany DEHNguard M TT 385 (DG M TT 385), DEHNguard M TT 385 FM (DG M TT 385 FM) used for low voltage electrical equipment surge protection, used in lightning protection partition OB - 1 follow-up prevent mine field.
Function characteristics
? complete preliminary terminal units, by the base and plug-in protection module
? and Red/Line series product energy coordination
? powerful zinc oxide varistor, high discharge capacity
? "dynamic heat tripping" SPD monitoring device, high safety
? multi-function terminal, can connect wires and bus
? use module release button, change protection module is simple
Technical parameters
DG M TT 385
DG M TT 385 FM
According to the EN 61643-11, SPD
Level 2
Level 2
According to IEC 61643-1, SPD
Ⅱ level
Ⅱ level
Ac nominal voltage UN
230/400 v
230/400 v
Ac maximum continuous working voltage [L - N] UC
385 v
385 v
Ac maximum continuous working voltage [N - P] UC
255 v
255 v
Nominal discharge current (8/20 μ s) In
20 ka
20 ka
Maximum discharge current (8/20 μ s) Imax
40 ka
40 ka
Lightning surge current (10/350 μ s) [N - PE] Iimp
12 ka
12 ka
Voltage protection level [N - PE] Up
Acuities were 1.75 kV
Acuities were 1.75 kV
5 ka, voltage protection level [L - N] Up
Acuities were 1.35 kV
Acuities were 1.35 kV
Voltage protection level [L - N] Up
Acuities were 1.5 kV
Acuities were 1.5 kV
Power frequency fly-wheel interrupting capacity [N - PE] Ifi
and
and
Response time [L - N] tA
Acuities 25 ns
Acuities 25 ns
Response time [N - PE] tA
Acuities 100 ns
Acuities 100 ns
Maximum backup fuse
125 a gL/gG
125 a gL/gG
Maximum backup solution wire when short circuit tolerance ability
25 karms
25 karms
Transient overvoltage (TOV) [L - N] UT
-
-
Transient overvoltage (TOV) [N - PE] UT
1200 v / 200 ms
1200 v / 200 ms
Operating temperature range TU
- 40 ℃... + 80 ℃
- 40 ℃... + 80 ℃
Working state/fault indicator
Green/red
Green/red
Installation conductor section tax (minimum)
1.5 the best callus induction stranded wire/soft line
1.5 the best callus induction stranded wire/soft line
Installation conductor section tax (maximum)
35 the best callus induction stranded wire / 25 best callus induction soft line
35 the best callus induction stranded wire / 25 best callus induction soft line
installation
35 mmdin rail, on the basis of the EN 60715
35 mmdin rail, on the basis of the EN 60715
Shell material
Red thermoplastic materials, UL 94-0
Red thermoplastic materials, UL 94-0
Protection level
IP 20
IP 20
size
4 mods, DIN 43880
4 mods, DIN 43880
The authentication
KEMA, VDE, UL, Vds
KEMA, VDE, UL, Vds
Remote signalling contact type
-
Float switch contact
Ac switching ability
-
250 v / 0.5 A
Dc switching ability
-
250 v / 0.1 A; 125 v / 0.2 A; 75 v / 0.5 A
Remote signalling terminal of the cross sectional area
-
Maximum 1.5 the best callus induction stranded wire/soft line
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