Data Sheet
Product Data Sheet: DEHNguard modular
DG M TN 275 FM (952 205)
■ Prewired complete unit consisting of a base part and plug-in protection modules
■ High discharge capacity due to heavy-duty zinc oxide varistors / spark gaps
■ High reliability due to "Thermo Dynamic Control" SPD monitoring device
Figure without obligation
Basic circuit diagram DG M TN 275 FM Dimension drawing DG M TN 275 FM
Modular surge arrester for use in single-phase TN systems; with floating remote signalling contact.
Type
DG M TN 275 FM
Part No.
952 205
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.) (U
N
)
230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U
C
)
275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I
n
)
20kA
Max. discharge current (8/20 µs) (I
max
)
40kA
Voltage protection level [L-PE]/[N-PE] (U
P
)
≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-PE] / [N-PE] at 5 kA (U
P
)
≤ 1 / ≤ 1kV
Response time (t
A
)
≤ 25ns
Max. mains-side overcurrent protection
125A gG
Short-circuit withstand capability for max. mains-side overcurrent
protection (I
SCCR
)
50kA
rms
Temporary overvoltage (TOV) (U
T
) – Characteristic
335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U
T
) – Characteristic
440 V / 120 min. – safe failure
Operating temperature range (T
U
)
-40 °C ... +80 °C
Operating state / fault indication
green / red
Number of ports
1
Cross-sectional area (min.)
1.5 mm
2
solid / flexible
Cross-sectional area (max.)
35 mm
2
stranded / 25 mm
2
flexible
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
2module(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 mm
2
solid / flexible
Weight
232g
Customs tariff number (Comb. Nomenclature EU)
85363030
GTIN
4013364108400
PU
1pc(s)
We reserve the right to introduce changes in performance, configuration and technology, dimensions, weights and materials in the course of technical progress. The figures are shown without obligation.
© DEHN SE + Co KG ∙ Hans-Dehn-Str. 1 ∙ 92318 Neumarkt ∙ Tel. +49 9181 906-0 ∙ https://www.dehn.de
3,
t
e
s
t
e
d
: Tested +: New (: Discontinued Model
Last update: 07.2021
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