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| Type | Type 5SY4 |
| Breaker Type | Miniature Circuit Breakers |
| Number of Poles | 1 pole + N |
| Rated current | 8 A |
| Voltage | 230/400V AC |
| Frequency | 50-60 Hz |
| Mounting | 70 mm device mounting depth |
| Weight | 0.304 kg |
Miniature circuit breaker 230 V 10kA, 1+N-pole, C, 8A, D=70 mm
Model
product brand name SENTRON
product designation Miniature circuit breaker
General technical data
number of poles 2
number of poles / note 1P+N
tripping characteristic class C
mechanical service life (switching cycles) / typical 10 000
circuit-breaker / Design 5SY4
overvoltage category III
degree of pollution 3
Voltage
insulation voltage
with single-phase operation / at AC / rated
value
250 V
supply voltage / with single-phase operation / at AC /
rated value
230 V
Supply voltage
type of voltage AC
operational current / at AC / rated value 8 A
supply voltage / at AC / rated value 230 V
operating voltage
at DC / rated value / maximum 72 V
supply voltage frequency
rated value 50/60 Hz
Protection class
protection class IP IP20, with connected conductors
Switching capacity
switching capacity current
at DC / acc. to IEC 60947-2 / rated value 15 kA
acc. to EN 60898 / rated value 10 kA
acc. to IEC 60947-2 / rated value 20 kA
energy limitation class 3
Dissipation
power loss W / for rated value of the current / at AC
/ in hot operating state / per pole
0.9 W
Current
Tripping residual / rated value / derated current / at
40 Cel
7.51 A
suitability for operation Mechanical engineering / industry
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Reviews
- J
John Kelley
Aug 12, 2025
Siemens Circuit Breaker 5SY4508-7Swift actionHelpfulUnhelpful - A
Air Tools And Accessories
Jul 04, 2025
Siemens Circuit Breaker 5SY4508-7That's perfectly alright.HelpfulUnhelpful - H
Hayden Davis
Apr 01, 2025
Siemens Circuit Breaker 5SY4508-7You're a lifesaver!HelpfulUnhelpful - J
JASON DESHAZIER
Mar 08, 2024
Siemens Circuit Breaker 5SY4508-7Producto como prometido y entregado a tiempo.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 5SY4508-7All was ok! No problems whatsoever.HelpfulUnhelpful
Siemens Circuit Breaker 5SY4508-7
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
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