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Data sheet 5SJ4120-7HG41
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Miniature circuit breaker 240 V 14kA, 1-pole, C, 20 A, D=70 mm
according to UL 489
Model
Product brand name SENTRON
Product designation Miniature circuit breakers
Design of the product Miniature circuit-breaker 5SJ4
General technical data
Number of poles 1
Number of poles / Note 1P
Tripping characteristic class C
Installation environment regarding EMC Suitable for environment B (immunity to interference not
applicable)
circuit-breaker / Design 5SJ4
Mechanical service life (switching cycles) / typical 20000
Reference code / acc. to DIN 40719 extended
according to IEC 204-2 / acc. to IEC 750
Overvoltage category 3
F
Voltage
Insulation voltage / at AC / rated value 440V
Supply voltage
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Type of voltage AC/DC
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Current / at AC / rated value 20A
Supply voltage / at AC / rated value 400V
Operating voltage
● at AC / acc. to UL 489 and CSA C22.2 No. 5-02
/ maximum
● at DC / rated value / maximum
● at DC / 1-channel / acc. to UL 489 and CSA
C22.2 No. 5-02 / maximum
● at DC / 2-channel / acc. to UL 489 and CSA
C22.2 No. 5-02 / maximum
Supply voltage frequency
● rated value
240V
60V
60V
125V
50Hz
Protection class
Protection class IP IP20, with connected conductors, IP 40 in the handle range
Switching capacity
Switching capacity current
● acc. to EN 60898 / rated value
● acc. to IEC 60947-2 / rated value
10kA
15kA
Dissipation
Power loss [W] / for rated value of the current / at AC
/ in hot operating state / per pole
2.2W
Current
Tripping residual / rated value / derated current / at
40 Cel
20A
Main circuit
Type of voltage supply / at AC / acc. to UL 489 and
CSA C22.2 No. 5-02
Suitability for operation Mechanical engineering / industry
240
Product details
Product function / neutral conductor switching No
Product feature / Touch protection Yes
Product component
● Tunnel terminals top
● Tunnel terminals bottom
● combined terminal top
● combined terminal bottom
Product feature
● halogen-free
● sealable
● silicon-free
No
No
Yes
Yes
Yes
Yes
Yes
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Product function
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Product function / Note Terminal tightening torque for Cu, 60/75°C; 3.5Nm/31lb.in
Short circuit
Breaking capacity short-circuit current (Icn) / at AC /
acc. to UL 1077 and CSA C22.2 No.235
14kA
Connections
Connectable conductor cross-section / finely
stranded / with core end processing
● minimum
● maximum
Position / of power supply cord Any
1.5mm²
25mm²
Mechanical Design
Height 110mm
Width 18mm
Depth 70mm
Installation depth 70mm
Number of width units 1
Mounting type on standard mounting rail
Mounting position any
Net weight 173g
Environmental conditions
Influence of the surrounding temperature max. 95% humidity
Vibration resistance 50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)
Vibration resistance / acc. to IEC 60068-2-6 50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)
Ambient temperature
● minimum
● maximum
Ambient temperature / during storage
● minimum
● maximum
-25°C
55°C
-40°C
75°C
Certificates
Reference code
● acc. to DIN EN 61346-2
● acc. to DIN EN 81346-2
F
F
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General Product Approval Declaration of
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Test Certificates
Conformity
Miscellaneous Special Test Certi-
Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
http://www.siemens.com/lowvoltage/catalogs
Industry Mall (Online ordering system)
https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=5SJ4120-7HG41
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/5SJ4120-7HG41
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)
http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SJ4120-7HG41
CAx-Online-Generator
http://www.siemens.com/cax
Tender specifications
http://www.siemens.com/specifications
ficate
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108,8
6
17,6
70,86,2
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