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Fax: 020-87540663
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Product introduction
Germany DEHNguard S 275 (DG S 275), DEHNguard S 275 FM (DG S 275 FM) used for low voltage electrical equipment surge protection for lightning protection partition OB - 1 and subsequent partition. Replace old model DEHNguard T 275 (900 650), DEHNguard T 275 FM (900 680).
Germany DEHNguard S 385 (DG S 385), DEHNguard S 385 FM (DG S 385 FM) used for low voltage electrical equipment surge protection for lightning protection partition OB - 1 and subsequent partition. Replace old model DEHNguard T 385 (900 641) and DEHNguard T 385 FM (900 691).
Function characteristics
? ? general surge protector, the base and insertion module chase flow of zinc oxide varistors, discharge capacity high
? ? "dynamic heat tripping" SPD monitoring device, it is stable and reliable
? ? and Red/Line products series energy coordination
? ? window can display the operating state and fault indicator
? ? multi-function terminal, connecting wire and bus
? ? with module lock device, through the module release button easily replace protection module
? ? through the impact and vibration test, on the basis of the EN 60068-2
Technical parameters
DG S 275 DG S 275 FM
According to the EN 61643-11, SPD level 2 level 2
According to IEC 61643-1, SPD Ⅱ level Ⅱ level
Ac maximum continuous working voltage UC 275 v, 150 v
Dc maximum continuous working voltage UC 350 v, 200 v
Nominal discharge current (8/20 μ s) In 20 ka 40 ka
Maximum discharge current (8/20 μ s) Imax 40 ka 15 ka
Voltage protection level Up acuities were 1.25 kV acuities were 0.7 kV
5 ka, voltage protection level Up acuities 1 kV acuities were 0.55 kV
Response time tA acuities 25 ns acuities 25 ns
Maximum backup fuse 125 a gL/gG 125 a gL/gG
Maximum backup solution wire when short circuit tolerance capacity of 50 karms 50 karms
Transient overvoltage (TOV) UT 350 v / 5 SEC. 350 v / 5 SEC.
Operating temperature range TU - 40 ℃... + 80 ℃ to 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) and the best callus induction stranded wire / 25 best callus induction soft line and the best callus induction stranded wire / 25 best callus induction soft line
Installation and 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 1 mods, DIN 43880 1 mods, DIN 43880
The authentication KEMA, VDE, UL, VdS KEMA, VDE, UL, VdS
Remote signalling contact type - float switch contact
Ac switching capacity - 250 v / 0.5 A
Dc switching capacity - 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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