Connecting
7.1 Cables and busbars
3VL IEC molded case circuit breakers
90 System Manual, 11/2013, 110 0110 - 02 DS 03
Rated operating voltage: U
e
≤ 600 V AC / 500 V DC
Table 7- 2 Connection methods (U
e
≤ 600 V AC / 500 V DC)
Circuit breaker dimensions
Permissible switching capacity class for U
e
≤ 600 V AC / 500 V DC
• Cable installed directly, e.g. via
box terminal or multiple feed-in
terminal
• Insulated up to the circuit
breaker
•
– None
N
H
N
H
L
N
H
L
N
H
L
N
H
L
N
H
L
N
H
L
Not
appli-
cable
• Cable with cable lug
• Clearance between non-
insulated conductor and the end
of the phase barrier at least
8 mm
•
– Phase barriers
– Cable lug
– Terminals with screw
connection
N
H
N
H
L
N
H
L
N
H
L
N N N Not
appli-
cable