5SY6520-7
CIRCUIT BREAKER 6KA1+N-POL C20

From SIEMENS

Miniature circuit breaker 230 V 6kA, 1+N-pole C, 20 A, D=70 mm
Model
Product brand nameSENTRON
Product designationMiniature circuit breaker
General technical data
Number of poles2
Number of poles / Note1P+N
Tripping characteristic classC
circuit-breaker / Design5SY6
Mechanical service life (switching cycles) / typical20 000
Overvoltage categoryIII
Voltage
Type of voltageAC/DC
Insulation voltage
with single-phase operation / at AC / rated value250 V
Supply voltage
Supply voltage
at AC / rated value230 V
Supply voltage frequency
rated value50/60 Hz
Protection class
Protection class IPIP20, with connected conductors
Energy limiting class3
Switching capacity
Switching capacity current
at DC / acc. to IEC 60947-2 / rated value15 kA
acc. to EN 60898 / rated value6 kA
acc. to IEC 60947-2 / rated value15 kA
Dissipation
Power loss [W] / for rated value of the current / at AC / in hot operating state / per pole1.7 W
Electricity
Tripping residual / rated value / derated current / at 40 Cel19.2 A
Current / at AC / rated value20 A
Suitability for operationMechanical engineering / industry
Product details
Product feature / Touch protectionYes
Product component
combined terminal topYes
combined terminal bottomYes
Product feature
Properties for main switches in accordance with EN 60204-1Yes
halogen-freeYes
sealableYes
silicon-freeYes
Product extension / can be installed / supplementary devicesYes
Product function
Product function / neutral conductor switchingYes
Short circuit
Breaking capacity short-circuit current (Icn)
at AC / acc. to UL 1077 and CSA C22.2 No.2355 kA
Number
Number of test cycles / for environmental testing / acc. to IEC 60068-2-306
Connections
Connectable conductor cross-section / stranded
minimum0.75 mm²
maximum35 mm²
Connectable conductor cross-section
solid
— minimum0.75 mm²
— maximum35 mm²
finely stranded / with core end processing
— minimum0.75 mm²
— maximum25 mm²
AWG number / as coded connectable conductor cross section
minimum14
maximum4
Tightening torque [lbf·in] / with screw-type terminals
minimum22 lbf·in
maximum26 lbf·in
Tightening torque / with screw-type terminals
minimum2.5 N·m
maximum3 N·m
Position / of power supply cordAny
Mechanical Design
Height90 mm
Width36 mm
Depth76 mm
Mounting positionany
Installation depth70 mm
Number of width units2
Mounting typeQuick assembly system
Net weight313 g
Environmental conditions
Degree of pollution3
Influence of the surrounding temperatureMax. 95% humidity
Vibration resistance / acc. to IEC 60068-2-650m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)
Ambient temperature
minimum-25 °C
maximum55 °C
during storage / minimum-40 °C
during storage / maximum75 °C

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