Product Data Sheet: DEHNbloc® DB 1 255 H (900 222)

Product Data Sheet: DEHNbloc®
DB 1 255 H (900 222)
■ Encapsulated creepage discharge spark gap without venting means
■ RADAX Flow spark gap technology with high follow current limitation
■ Can also be used upstream meter panels due to high insulation resistance
Figure without obligation
Basic circuit diagram DB 1 255 H
Dimension drawing DB 1 255 H
Single-pole and three-pole lightning current arrester with high follow current limitation.
* Please contact DEHN for additional test results with specific rectifiers.
Type
Part No.
SPD according to EN 61643-11
SPD according to IEC 61643-1/-11
DB 1 255 H
900 222
type 1 * class I * Nominal a.c. voltage (UN)
230 V Max. continuous operating a.c. voltage (UC)
255 V Lightning impulse current (10/350 µs) (Iimp)
50 kA
625.00 kJ/ohms ≤ 4 kV
50 kArms
no tripping of a 32 A gL/gG fuse up to 50 kArms (prosp.) ≤ 100 ns
Max. backup fuse up to IK = 50 kArms (ta ≤ 0.2 s)
500 A gL/gG
Max. backup fuse up to IK = 50 kArms (ta ≤ 5 s)
315 A gL/gG
Max. backup fuse for IK > 50 kArms
200 A gL/gG
Max. backup fuse (L-L')
125 A gL/gG
Temporary overvoltage (TOV) (UT)
335 V / 5 sec.
withstand Operating temperature range (parallel connection) (TUP)
-40 °C ... +80 °C Operating temperature range (series connection) (TUS)
-40 °C ... +60 °C 1 Specific energy (W/R)
Voltage protection level (UP)
Follow current extinguishing capability a.c. (Ifi)
Follow current limitation / Selectivity
Response time (tA)
TOV characteristic
Number of ports
Cross-sectional area (L, L', N/PEN, N'/PEN) (min.)
2
10 mm solid / flexible 2
2
35 mm stranded / 25 mm flexible 2
2
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
2 module(s), DIN 43880
Approvals
KEMA, VDE 331 g
85363030
4013364102521
1 pc(s)
Cross-sectional area (L, N/PEN) (max.)
50 mm stranded / 35 mm flexible Cross-sectional area (L', N'/PEN) (max.)
For mounting on
Weight
Customs tariff number
GTIN
PU
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 + SÖHNE GmbH + Co. KG · Hans-Dehn-Str. 1 · Postfach 1640 · D-92306 Neumarkt · Tel. +499181 906-0 · www.dehn.de
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: Tested +: New (: Discontinued Model