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Circuit breaker 400V, 6kA, 2-pole, C, 40A
Model
product brand name SENTRON
product designation Miniature circuit breaker
design of the product Miniature circuit breaker 5SN
General technical data
number of poles 2
number of poles / note 2P
tripping characteristic class C
circuit-breaker / Design 5SN6CN
overvoltage category 3
degree of pollution 2
Voltage
insulation voltage
with multi-phase operation / at AC / rated value 440 V
Supply voltage
type of voltage AC
operational current / at AC / rated value 40 A
supply voltage / at AC / rated value 400 V
operating voltage
with multi-phase operation / at AC / maximum 440 V
at DC / rated value / maximum 72 V
supply voltage frequency
rated value 50 Hz
Protection class
protection class IP IP20, with connected conductors
Switching capacity
switching capacity current
acc. to EN 60898 / rated value 6 kA
energy limitation class 3
Dissipation
power loss W / for rated value of the current / at AC
/ in hot operating state / per pole
3.3 W
Current
Tripping residual / rated value / derated current / at
40 Cel
37.72 A
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Reviews
- R
Ravi Patel
Jun 25, 2025
Siemens Circuit Breaker 5SN6240-7CNThat's the best I've ever seen.HelpfulUnhelpful - J
Jason Quillen
Mar 28, 2025
Siemens Circuit Breaker 5SN6240-7CNThey were in sync with the requirements.HelpfulUnhelpful - C
Charles Gosner
Dec 14, 2024
Siemens Circuit Breaker 5SN6240-7CNQuick and reliable, appreciate it, Larry!HelpfulUnhelpful - M
Megan Smith
May 17, 2024
Siemens Circuit Breaker 5SN6240-7CNgenialHelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 5SN6240-7CNAll was ok! No problems whatsoever.HelpfulUnhelpful
Siemens Circuit Breaker 5SN6240-7CN
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
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