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BETA Protecting
Miniature Circuit Breakers
Busbars
1/35
Siemens ET B1 · 10/2008
1
*
You can order this quantity or a multiple thereof.
■
Overview
The busbar system with pin-type terminals can be used for all
5
SJ6 . . .-.KS and 5SY miniature circuit breakers with or without
mounted auxiliary switch (AS) or fault signal contact (FC).
Busbars are available in 10 mm
2
and 16 mm
2
versions.
The 5ST3 7 busbar system with busbars that can be cut to any
length required.
The extremely flexible 5ST3 6 busbar system with fixed lengths
enables installation in any length as the busbars can be overlapped.
No further need for time-consuming tasks, such as cutting, cutting
to length, deburring, cleaning of cut surfaces and mounting of
end caps.
Any free pins on the busbars can be made safe by covering with
touch protection.
For further information on bus-mounting miniature circuit breakers
with residual current operated circuit breakers, please refer to
the chapter "Residual current protective devices".
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Benefits
•
Between the devices, the busbar, located at the bottom and
behind the conductor, provides an optimum wiring space with
easy view of the inserted conductor. This enables easy control
of connections.
•
The ability to overlap the busbar mounting enables a cross-
section enlargement of up to 32 mm
2
using the respective
components, 10 and 16 mm
2
.
•
By overlapping the busbars with fixed lengths, it is possible to
achieve device combinations with any number of devices.
•
The fact that the connection of the conductor is always clearly
visible facilitates control and insertion of conductors of all pole
types and considerably reduces mounting times.
© Siemens AG 2008