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DGMTT275FM, 952315, Chống Sét Nguồn Điện 3 Pha Cấp 2, Chống Sét Nguồn Điện Cấp 2 DEHN, Chống Sét Lan Truyền, Chống Sét

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DGMTT275FM, 952315, Chống Sét Nguồn Điện 3 Pha Cấp 2, Chống Sét Nguồn Điện Cấp 2 DEHN, Chống Sét Lan Truyền, Chống Sét

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DGMTT275FM, 952315, Chống Sét Nguồn Điện 3 Pha Cấp 2, Chống Sét Nguồn Điện Cấp 2 DEHN, Chống Sét Lan Truyền, Chống Sét

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DEHNguard MTT275FM surge arrester
Modular and pluggable four-pole surge arrester
for 230/400 V TT and TN-S systems, width: 4 modules
With remote signalling contact
Type 2 SPD according to EN 61643-11
Fault indication
Max. continuous operating voltage: 275 V a.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short circuit strength: 50 kArms
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DGMTT275FM
Part No.: 952315
or equivalent.

Part No. 952315 DGMTT275FM

GTIN 4013364108486Customs tariff No. (EU): 85363030Gross weight441.30 gPU: 1.00 pc(s)

Predecessor 


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  • 952315.jpg

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Technical data

SPD according to EN 61643-11 / IEC 61643-11 type 2 / class II
Energy coordination with terminal equipment (≤ 10 m) type 2 + type 3
Nominal voltage (a.c.) (UN ) 230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (UC ) 275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (UC ) 255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (In ) 20 kA
Max. discharge current (8/20 µs) (Imax ) 40 kA
Voltage protection level [L-N]/[N-PE] (UP ) ≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (UP ) ≤ 1 / ≤ 1.5 kV
Follow current extinguishing capability [N-PE] (Ifi ) 100 Arms
Response time [L-N] (tA ) ≤ 25 ns
Response time [N-PE] (tA ) ≤ 100 ns
Max. mains-side overcurrent protection 125 A gG
Short-circuit withstand capability for max. mains-side overcurrent protection (ISCCR ) 50 kArms
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic 335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic 440 V / 120 min. – safe failure
Temporary overvoltage (TOV) [N-PE] (UT) – Characteristic 1200 V / 200 ms – withstand
Operating temperature range (TU ) -40 °C ... +80 °C
Operating state / fault indication green / red
Number of ports 1
Cross-sectional area (min.) 1.5 mmsolid / flexible
Cross-sectional area (max.) 35 mmstranded / 25 mmflexible
For mounting on 35 mm DIN rails acc. to EN 60715
Enclosure material thermoplastic, red, UL 94 V-0
Place of installation indoor installation
Degree of protection IP 20
Capacity 4 module(s), DIN 43880
Approvals KEMA, VDE, UL
Type of remote signalling contact changeover contact
Switching capacity (a.c.) 250 V / 0.5 A
Switching capacity (d.c.) 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals max. 1.5 mmsolid / flexible
Extended technical data: ---------------------------------
Lightning impulse current (10/350 µs) [N-PE] (Iimp ) 12 kA
Voltage protection level [L-PE] (UP ) 1.5 kV
Arrester use at 16.7 Hz – traction power supply systems
– Test voltage AC (UC ) 275 V
– Nominal AC voltage (UN ) 230 / 400 V
– Nominal frequency AC (fN ) 16.7 Hz

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