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BETA Protecting
Miniature Circuit Breakers
Product overview
1/2
Siemens ET B1 · 10/2008
1
*
You can order this quantity or a multiple thereof.
■
Overview
Devices
Page Field of application
Standards
Used in
Non-resid.
buildings
Residential
buildings
Industry
5
SP and 5SY miniature circuit
breakers
1/3
For all applications from 0.3 to 125 A
with switching capacity 6000, 10 000
or 15 000 A according to EN 60898.
Applications for universal current and
0.3
to 63 A with switching capacity of at
least 25 kA according to EN 60947-2.
EN 60898
EN 60947-2
✓ ✓ ✓
5
SJ6 . . .-.KS miniature circuit
breakers with plug-in terminals
1/21
For socket outlet and lighting circuits in
all building installations.
The plug-in terminals offer easy front
connection for manual insertion of
conductors, which considerably
reduces mounting times.
EN 60898
✓ ✓ ✓
5
SY6 0 miniature circuit breakers 1+N
in 1 MW
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For socket outlet and lighting circuits in all
building installations where a switchable
neutral conductor is required.
The miniature circuit breaker 1+N saves
space in the distribution board.
EN 60898
✓ ✓ ✓
Additional components
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Auxiliary switches, fault signal contacts,
shunt trips, undervoltage releases for
higher plant availability, RC units for
personal safety and remote controlled
mechanisms for remote switching.
✓
✓
Busbars
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Busbars in 10 and 16 mm² save space
in the distribution board and time during
mounting.
✓ ✓ ✓
5
SJ4 miniature circuit breakers
to UL and IEC
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Miniature circuit breakers can be used
as "branch circuit protection" and
approved for the connection type "same
polarity" and "opposite polarity" in the
characteristics B and C according to
UL489 from 0.3 to 63 A
UL 489
✓ ✓ ✓
SHU, 5SP3 main miniature circuit
breakers
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Voltage-independent and selective
main miniature circuit breakers (SHU)
according to DIN VDE 0645 in the
precounter sector support the
downstream miniature circuit breakers
with better current limitation.
DIN VDE 0641-21
✓ ✓
5
SK9 circuit breaker terminals
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Circuit breaker terminals are used for
short-circuit protection or for protection
against overload and short-circuits
in auxiliary and control circuits
downstream of control transformers.
✓
Configuration
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Notes for configuration, expanded
technical specifications and
certifications.
40
2
1
4
10
20
40
6
60
120
Tripping time
Minutes
1.45
1.13
© Siemens AG 2008