DG M H TT 275 FM, DG M H TT 275 FM 952 385, DEHNguard M H TT 275 FM, 952 385, chống sét lan truyền nguồn điện 3 pha 275 V, DEHN

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DG M H TT 275 FM, DG M H TT 275 FM 952 385, DEHNguard M H TT 275 FM, 952 385, chống sét lan truyền nguồn điện 3 pha 275 V, DEHN

DG M H TT 275 FM, DG M H TT 275 FM 952 385, DEHNguard M H TT 275 FM, 952 385, chống sét lan truyền nguồn điện 3 pha 275 V, DEHN


 

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DEHNguard M H TT 275 FM surge arrester
4-pole, modular surge arrester with an increased discharge capacity for230/400 V TT and TN-
S systems, 4 mods.
With remote signalling contact for control device
SPD Type 2 according to EN 61643-11
Max. continuous voltage: 275 V ac
Voltage protection level: <= 1.5 kV
Nominal discharge current [L-N]: 20 kA
Nominal discharge current [N-PE]: 80 kA
Short circuit withstand capability: 50 kArms
Energy-coordinated according to
IEC 62305-4 of the Red/Line family
Operating state and fault indication

delivery and installation.

Brand: DEHN + SÖHNE
Type: DG M H TT 275 FM
Part No.: 952 385

or equivalent.


 

Type

DG M H TT 275 FM

Part No.

952 385 +

SPD according to EN 61643-11 / IEC 61643-11

type 2 / class II

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) [L-N] (In)

20 kA

Nominal discharge current (8/20 µs) [N-PE] (In)

80 kA

Max. discharge current (8/20 µs) [L-N] (Imax)

40 kA

Max. discharge current (8/20 µs) [N-PE] (Imax)

120 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

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

Weight

415 g

GTIN

4013364318137

PU

1 pc(s)

Part No.

952 385


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