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Siemens 5SJ4240-7HG42

Circuit breaker 10kA, 2-pole, C, 40 A according to UL 489-480Y/277V

SiemensMFR # 5SJ4240-7HG42SKU # CEY-8EF3B0388F04

product brand nameSENTRON

product designationMiniature circuit breakers

design of the productMiniature circuit-breaker 5SJ4

number of poles2

design of pole2P

tripping characteristic classC

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About This Product

Circuit breaker 10kA, 2-pole, C, 40 A according to UL 489-480Y/277V

Siemens 5SJ4240-7HG42

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

Model

product brand nameSENTRON

product designationMiniature circuit breakers

design of the productMiniature circuit-breaker 5SJ4

General technical data

number of poles2

design of pole2P

tripping characteristic classC

mechanical service life (operating cycles) typical10 000

installation environment regarding EMCSuitable for environment B (immunity to interference not applicable)

reference code according to DIN 40719 extended according to IEC 204-2 according to IEC 750F

overvoltage category3

degree of pollution3

Voltage

insulation voltage (Ui) at AC rated value440 V

— at 30 °C rated value40 A

— at 40 °C rated value40 A

— at 50 °C rated value38 A

— at 55 °C rated value37 A

— at 60 °C rated value36 A

operational current at AC rated value40 A

Supply voltage

at AC400 V

at DC rated value60 V

value range of the supply voltage frequency50/60 Hz

at AC according to UL 489 and CSA C22.2 No. 5-02 maximum277 V

at DC rated value maximum60 V

at DC 1-channel according to UL 489 and CSA C22.2 No. 5-02 maximum60 V

at DC 2-channel according to UL 489 and CSA C22.2 No. 5-02 maximum125 V

supply voltage frequency rated value50 Hz

Protection class

protection class IPIP 0 in the handle range

Breaking Capacity

according to EN 60898 rated value10 kA

according to IEC 60947-2 rated value15 kA

Dissipation

power loss [W] for rated value of the current at AC in hot operating state per pole4.8 W

Main circuit

type of voltage supply at AC according to UL 489 and CSA C22.2 No. 5-02480/277

suitability for operationInfrastructure / Industry

Product details

product feature touch protectionYes

tunnel terminals topNo

tunnel terminals bottomNo

combined terminal topYes

combined terminal bottomYes

neutral conductor switchingNo

product feature halogen-freeYes

product feature sealableYes

product feature silicon-freeYes

product extension installable supplementary devicesYes

Product function

set values setting current (Ii) for I-tripping7,5

reference value setting current (Ii) for I-trippingx In

product function noteTerminal tightening torque for Cu, 60/75°C; 3.5Nm/31lb.in

Short circuit

short-circuit current breaking capacity (Icn) at AC according to UL 1077 and CSA C22.2 No.23510 kA

Connections

minimum0.75 mm²

maximum25 mm²

tightening torque with screw-type terminals maximum3.5 N·m

position of power supply cordAny

Mechanical Design

height121 mm

width36 mm

depth70 mm

installation depth70 mm

number of modular width units2

fastening methodon standard mounting rail

mounting positionany

Net Weight335 g

Environmental conditions

standardIEC / EN 60947-2 / UL 489

vibration resistance50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)

vibration resistance according to IEC 60068-2-6±1 mm at 5 to 25 Hz; 50 m/s² at 25 to 150 Hz

minimum-25 °C

maximum55 °C

ambient temperature during operationmax. 95% humidity

minimum-40 °C

maximum75 °C

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Siemens 5SJ4240-7HG42

About This Product

Siemens 5SJ4240-7HG42

Specifications

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