© Siemens AG 2010
5SY6 Miniature Circuit
Breakers
SENTRON Protection, Switching, Measuring and
Monitoring Devices
Miniature circuit breakers are used to protect plants in buildings and infrastructures
for industrial applications. The devices can be used as main control switches for dis-
connecting or isolating plants.
Additional components offer
increased flexibility
Additional components, such as auxiliary
switches, fault signal contacts, shunt
releases, undervoltage releases, remote
controlled mechanisms and RC units
enhance the miniature circuit breaker's
overall functionality.
Quick and safe assembly
Integrated movable terminal covers located
at the cable entries ensure the terminals
are fully insulated when the screws are
tightened. Manual quick-assembly systems
guarantee convenient time-saving assem-
bly without requiring any tools.
Highlights
Touch protection when grasping the
device – exceeds VBG4/BGV A3
requirements
Busbar assembly devices are replaced
faster and with less effort
The infeed can be operated from the
top or bottom
Answers for infrastructure.
© Siemens AG 2010
Miniature Circuit Breakers
5SY6 miniature circuit breakers
Overview
The devices are approved for worldwide use according to IEC
standards for systems up to 250/440 V AC. 60 V DC per pole is
permitted in DC systems.
For North America, we also have additional certification to
UL 1077 for use as "supplementary protectors" in systems up to
480Y/277 V AC. For use in ship building, the devices also have
numerous certifications according to shipping classifications;
BV, DNV, GL and LRS.
Benefits
• Optional top or bottom infeed as the terminals are identical
• Clear and visible conductor connection in front of the busbar
facilitates controls
• Large and easily accessible wiring space enables easy inser-
tion of conductor in the terminal.
• Integrated movable terminal covers located at the cable
entries ensure the terminals are fully insulated when the
screws are tightened
• The effective touch protection when grasping the device
considerably exceeds the requirements of VBG 4/BGV A3.
2
Miniature Circuit Breakers
© Siemens AG 2010
• Manual snap-on fixing and release systems that require no
tools enable fast assembly and disassembly of MCBs
• Marked labeling field on all modular installation devices for
uniform, quick and easy identification.
• Quick and easy manual removal of MCBs from the busbar as-
sembly if connections need to be changed.
• Time-saving replacement of parts as busbars no longer need
to be freed from adjacent devices.
• Double terminal chambers enable accommodation of 2 wires
of different cross-sections (up to 16 mm
2
in the bottom
chamber and 35 mm
2
in the top chamber).
Configuration
Switching capacity
Particular demands are made on miniature circuit breakers with
regard to switching capacity.
The values are standardized and are determined according to
the test conditions of IEC/EN 60898-1 or DIN VDE 0641-11.
For other test conditions, it is also possible to specify values that
are higher than those of IEC/EN 60898 or DIN VDE 0641-11.
One such standard is IEC/EN 60947-2 or DIN VDE 0660-101 for
circuit breakers.
Rated switching capacity
5SY6 miniature circuit breakers
IEC/EN 60898-1
1-pole
230 V AC
I
n
[A]
5SY6
0.3 ... 6
8 ... 32
40 ... 63
I
cn
[kA]
6
6
6
2-, 3- and 4-pole
400 V AC
I
cn
[kA]
IEC/EN 60947-2
1-pole
230 V AC
I
cu
[kA]
30
15
10
2-, 3- and 4-pole
400 V AC
I
cu
[kA]
Miniature Circuit Breakers
3
© Siemens AG 2010
Technical specifications
5SY6
Standards
Operational voltage
Min.
Acc. to EN 60898-1/-2 and EN 60947-2
Acc. to UL 1077 and CSA C22.2 No.235
Rated switching capacity
•
I
cn
acc. to IEC/EN 60898-1
•
I
cn
acc. to IEC/EN 60898-2
• Acc. to UL1077 and CSA C22.2 No.235
Insulation coordination
• Rated insulation voltage
Degree of pollution for overvoltage category
Touch protection
Main switch characteristic
Handle end position, sealable
Degree of protection
CFC and silicone-free
Mounting
• Snap-on fixing system
Terminals
• Combined terminals at both ends
• Terminal tightening torque
Conductor cross-sections
• Solid and stranded
• Finely stranded, with end sleeve
• AWG cables
Mains connection
• AC
• DC
Mounting position
Service life
On average, with rated load
Ambient temperature
Storage temperature
Resistance to climate
Shock
Resistance to vibrations
1)
EN 60898-1;
EN 60947-2
V AC
V AC/DC
V DC/pole
V AC
V AC
V DC/pole
kA AC
kA DC
kA AC
V AC
V DC/pole
Acc. to EN 50274
Acc. to EN 60204
Acc. to EN 60529
Max.
Max.
Max.
230/400
24
60
1)
250/440
480Y/277
60
6
6
5
250/440
--
3/III
Yes
Yes
Yes
IP20, with connected conductors
Yes
Yes
Yes
Nm
lb.in
mm
2
mm
2
AWG
2.5 ... 3
22 ... 26
0.75 ... 35
0.75 ... 25
14 ... 4
Any
Any
Any
Actuations
°C
°C
Acc. to IEC 60068-2-30
Acc. to IEC 60068-2-27
Acc. to IEC 60068-2-6
m/s
2
m/s
2
20 000
-25 ... +55, max. 95 % humidity
-40 ... +75
6 cycles
150 for 11 ms half-sine
50 at 25 ... 150 Hz and 60 at 35 Hz (4 sec)
The operational voltage 60 V DC/pole takes into account a battery
charging voltage with a peak value of 72 V.
4
Miniature Circuit Breakers
© Siemens AG 2010
Selection and ordering data
(Dated 11/2010)
6 000
3
Characteristic B
I
n
Mounting width
MW
1)
DT
Order No.
PU
(UNIT,
SET, M)
PS*/
P. unit
PG
Weight
per PU
approx.
kg
A
MCBs 6000 A
1P, 230/400 V AC
2
4
6
10
13
16
20
25
32
40
50
63
1P+N, 230 V AC
6
10
13
16
20
25
32
40
50
63
2P, 400 V AC
6
10
13
16
20
25
32
40
50
63
3P, 400 V AC
6
10
13
16
20
25
32
40
50
63
3P+N, 400 V AC
6
10
13
16
20
25
32
40
50
63
4P, 400 V AC
6
10
13
16
20
25
32
40
50
63
1)
1
}
B
}
}
}
}
}
}
}
B
B
B
5SY6 102-6
5SY6 104-6
5SY6 106-6
5SY6 110-6
5SY6 113-6
5SY6 116-6
5SY6 120-6
5SY6 125-6
5SY6 132-6
5SY6 140-6
5SY6 150-6
5SY6 163-6
5SY6 506-6
5SY6 510-6
5SY6 513-6
5SY6 516-6
5SY6 520-6
5SY6 525-6
5SY6 532-6
5SY6 540-6
5SY6 550-6
5SY6 563-6
5SY6 206-6
5SY6 210-6
5SY6 213-6
5SY6 216-6
5SY6 220-6
5SY6 225-6
5SY6 232-6
5SY6 240-6
5SY6 250-6
5SY6 263-6
5SY6 306-6
5SY6 310-6
5SY6 313-6
5SY6 316-6
5SY6 320-6
5SY6 325-6
5SY6 332-6
5SY6 340-6
5SY6 350-6
5SY6 363-6
5SY6 606-6
5SY6 610-6
5SY6 613-6
5SY6 616-6
5SY6 620-6
5SY6 625-6
5SY6 632-6
5SY6 640-6
5SY6 650-6
5SY6 663-6
5SY6 406-6
5SY6 410-6
5SY6 413-6
5SY6 416-6
5SY6 420-6
5SY6 425-6
5SY6 432-6
5SY6 440-6
5SY6 450-6
5SY6 463-6
1
1 unit
1
1 unit
1 1/12 unit
1 1/12 unit
1 1/12 unit
1 1/12 unit
1 1/12 unit
1 1/12 unit
1 1/12 unit
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 unit
1 unit
1 unit
1 unit
1 unit
1/6 unit
1/6 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1/6 unit
1/6 unit
1 unit
1/6 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1/4 unit
1 unit
1/4 unit
1 unit
1 unit
1/4 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
002
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.330
0.495
0.495
0.495
0.495
0.495
0.495
0.495
0.495
0.495
0.495
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
0.660
2
}
}
A
}
B
B
B
C
C
C
2
}
}
B
}
B
B
}
B
C
C
3
A
}
B
}
}
}
}
A
B
B
4
B
B
B
}
A
B
B
C
C
C
4
C
B
C
A
A
}
B
B
B
B
1 MW (modular width) = 18 mm.
* You can order this quantity or a multiple thereof.
Miniature Circuit Breakers
5
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