Mounting and Installation
16
147234 / 8146655300
2018-08-16·BA00·III·en·03
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Motor Protection Circuit Breaker
Series 8146/5-V27
Circuit diagram of the device with connection designations and possible versions a), b),
c) or d) and connections.
Observe the following points during the installation:
• One or two conductors can be installed to one connection terminal.
• In case of solid conductors, both conductors must have the same cross section and
must be made of the same material.
11530E00
11531E00
Three-phase alternating current
Options:
a) = Shunt trip
b) = Undervoltage release
c) = Additional auxiliary contact
d) = Additional auxiliary contact
Single-phase alternating current and direct current
Connections:
N = neutral / -pole
P = phase / +pole
R = motor, device to be protected
Connections:
L1(1), L2(3), L3(5)
T1(2), T2(4), T3(6)
N
= Phase (input)
= Phase (output)
= Neutral
Main contact terminals
Auxiliary contact
terminals
Terminal blocks
11532E00
11533E00
11533E00
Solid
2 x 1.5 to 10 mm
2
2 x AWG 16 to 8
2 x 0.75 to 2.5 mm
2
2 x AWG 18 to 13
1 x 0.5 to 10 mm
2
1 x AWG 20 to 8
11534E00
11535E00
11535E00
Finely stranded
or stranded
2 x 1.5 to 6 mm
2
2 x AWG 16 to 10
2 x 0.75 to 1.5 mm
2
2 x AWG 18 to 16
1 x 0.5 to 6 mm
2
2 x AWG 20 to 10
Permissible torques
1.8 to 2.0 Nm
1 to 1.2 Nm
1.5 to 1.8 Nm
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