07.11.2014 Views

New Products

New Products

New Products

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Type 2 Surge Arresters<br />

V NH / VA NH<br />

VA NH00 (FM) / VA NH1<br />

54<br />

80<br />

47<br />

56<br />

9<br />

135<br />

47<br />

62<br />

9<br />

30<br />

59<br />

30<br />

59<br />

900 262<br />

VA NH00 280<br />

900 264<br />

VA NH00 280 FM<br />

VA NH00 280<br />

900 262<br />

Überspannungsableiter Typ 2 / 1-polig<br />

280V AC für<br />

NH00-Sicherungssysteme<br />

VA NH00 280 FM<br />

900 264<br />

Überspannungsableiter Typ 2 / 1-polig280V AC für NH00-<br />

Sicherungssysteme<br />

Dimension drawing<br />

VA NH00 (FM)<br />

Dimension drawing<br />

VA NH1<br />

Basic circuit diagram VA NH00 (FM), VA NH1<br />

VA NH00 (FM): Surge arrester with a varistor and a spark gap connected in series; for use in size<br />

00 NH fuse holders, optionally available with special indicator for remote signalling<br />

VA NH1: Surge arrester with a varistor and a spark gap connected in series; for use in size 1<br />

NH fuse holders<br />

• Surge arrester for use in size 00 and 1<br />

NH fuse holders<br />

• Zinc oxide varistor with monitoring<br />

device, disconnector and integrated<br />

backup fuse (VA NH with additional<br />

spark gap connected in series)<br />

• Fault indication by tripping indicator<br />

Type VA NH00 280 VA NH00 280 FM<br />

Part No. 900 262 900 264<br />

SPD according to EN 61643-11 Type 2 Type 2<br />

SPD according to IEC 61643-1/-11 Class II Class II<br />

Max. continuous operating a.c. voltage (U C ) 280 V 280 V<br />

Nominal discharge current (8/20 μs) (I n ) 10 kA 10 kA<br />

Max. discharge current (8/20 μs) (I max ) 20 kA 20 kA<br />

Voltage protection level (U P ) ≤ 1.5 kV ≤ 1.5 kV<br />

Response time (t A ) ≤ 100 ns ≤ 100 ns<br />

Maximum mains-side overcurrent protection not required not required<br />

Short-circuit withstand capability 25 kA rms 25 kA rms<br />

Temporary overvoltage (TOV) (U T ) 335 V / 5 sec. 335 V / 5 sec.<br />

TOV characteristics withstand withstand<br />

Indication of the disconnector red indicator red indicator<br />

Indicator for remote signalling –– tripping distance of 7 mm<br />

Number of ports 1 1<br />

Operating temperature range (T U ) -40 °C...+80 °C -40 °C...+80 °C<br />

For mounting on size 00 NH fuse holders size 00 NH fuse holders<br />

Enclosure material thermoplastic, red, UL 94 V-0 thermoplastic, red, UL 94 V-0<br />

Place of installation indoor installation indoor installation<br />

Degree of protection IPX4W IPX4W<br />

Surge Arresters Type 2<br />

900 271<br />

VA NH1 280<br />

VA NH1 280<br />

900 271<br />

Überspannungsableiter Typ 2 / 1-polig<br />

NH1-Sicherungssyteme<br />

280V AC für<br />

Type VA NH1 280<br />

Part No. 900 271<br />

SPD according to EN 61643-11 Type 2<br />

SPD according to IEC 61643-1/-11<br />

Class II<br />

Max. continuous operating a.c. voltage (U C )<br />

280 V<br />

Nominal discharge current (8/20 μs) (I n )<br />

10 kA<br />

Max. discharge current (8/20 μs) (I max )<br />

20 kA<br />

Voltage protection level (U P )<br />

≤ 1.5 kV<br />

Response time (t A )<br />

≤ 100 ns<br />

Maximum mains-side overcurrent protection<br />

not required<br />

Short-circuit withstand capability<br />

25 kA rms<br />

Temporary overvoltage (TOV) (U T )<br />

335 V / 5 sec.<br />

TOV characteristics<br />

withstand<br />

Indication of the disconnector<br />

red indicator<br />

Number of ports 1<br />

Operating temperature range (T U ) -40 °C...+80 °C<br />

For mounting on<br />

size 1 NH fuse holders<br />

Enclosure material thermoplastic, red, UL 94 V-0<br />

Place of installation<br />

indoor installation<br />

Degree of protection<br />

IPX4W<br />

www.dehn.de<br />

117

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!