Installing/mounting
7.2 Mounting and safety clearances
3VL molded-case circuit breakers
90
System Manual, 03/2009, 110 0110 - 02 DS 01
Safety clearances between circuit breakers
Minimum clearance between two circuit breakers installed above one another with different
kinds of connections.
$
$
%
&
'
$
$
$
A
Connection on the front with cable, direct
B
Connection on the front with cable lug
C
Connection on the front with flat connecting bar
D
Connection on the back with plug-in socket or busbar terminals
①
Insulation
②
Insulation busbar
Figure 7-5
Table of different connection types
Table 7- 3
Safety clearances between circuit breakers
Circuit breaker type VL160X
VL160 VL250 VL400 VL630 VL800 VL1250
VL1600
Switching capacity
LV HRC
NHL
NHL
A ≤ 690 V
160 mm
200 mm
The clearances given in the table are necessary to enable any ionized gases arising during a
short-circuit to disperse
Содержание SENTRON 3VL series
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Страница 10: ...Table of contents 3VL molded case circuit breakers 10 System Manual 03 2009 110 0110 02 DS 01 ...
Страница 40: ...System overview 4 2 Key data 3VL molded case circuit breakers 40 System Manual 03 2009 110 0110 02 DS 01 ...
Страница 350: ...Correction sheet 3VL molded case circuit breakers 350 System Manual 03 2009 110 0110 02 DS 01 ...
Страница 358: ...Glossary 3VL molded case circuit breakers 358 System Manual 03 2009 110 0110 02 DS 01 ...
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