Authenticity and condition
Product authenticity and actual condition, including new condition when offered as new, are checked before final approval and recorded in the quotation.
Industrial automation technical reference
Siemens
5SY43108Protective circuit breaker Siemens model 5SY43108
Verify the part number and specifications; the image alone does not establish suitability.
- ARAN VISION reference
- AV-FEED-18V9P3P
- Category
- Industrial electrical equipment
- Manufacturer sourcing lead time
- Manufacturer confirmation required
Delivery to your location is confirmed separately.
- Documents / datasheets
- ARAN VISION specification sheet
Technical specifications
- supply voltage with single-phase operation at AC rated value
- 230 V
- value range of the supply voltage frequency
- 50/60 Hz
- protection class IP
- IP20, with connected conductors
- power loss [W] for rated value of the current at AC in hot operating state per pole
- 0.9 W
- Height
- 90 mm
- Width
- 54 mm
- Depth
- 76 mm
- installation depth
- 70 mm
- number of modular width units
- 3
- Mounting position
- any
- Net weight
- 445 g
- product brand name
- SENTRON
- product designation
- Miniature circuit breaker
- number of poles
- 3
- design of pole
- 3P
- tripping characteristic class
- D
- mechanical service life (operating cycles) typical
- 10 000
- overvoltage category
- 3
- degree of pollution
- 3
- type of voltage of the operating voltage
- AC
- with single-phase operation at AC rated value
- 440 V
- with multi-phase operation at AC rated value
- 440 V
- at 40 °C rated value
- 9.39 A
- at 50 °C rated value
- 8.74 A
- at 55 °C rated value
- 8.4 A
- at 60 °C rated value
- 8.04 A
- operational current at AC rated value
- 10 A
- at AC
- 400 V
- at DC rated value
- 60 V
- operating voltage at DC rated value maximum
- 72 V
- at DC according to IEC 60947-2 rated value
- 15 kA
- according to EN 60898 rated value
- 10 kA
- according to IEC 60947-2 rated value
- 20 kA
- suitability for operation
- Infrastructure / Industry
- product feature touch protection
- Yes
- combined terminal top
- Yes
Documents / datasheets
View / print the ARAN VISION specification sheetManufacturer datasheetOfficial manufacturer source · Siemens
Source reviewed: 2026-10-24
Description
Protective circuit breaker Siemens part number 5SY43108; supply voltage with single-phase operation at AC rated value: 230 V; value range of the supply voltage frequency: 50/60 Hz; power loss [W] for rated value of the current at AC in hot operating state per pole: 0.9 W. Technical specifications, condition and supply feasibility are checked before ordering.
Condition and order verification
Matching technical version
The part number, revision, firmware or version is checked against your requirements. Apparently similar products may differ in price because of their version or condition.
Delivery estimate before ordering
Specialist products have a lead time. The valid delivery estimate is stated in the quotation after checking availability and specifications.
Products in the same technical family
Category similarity does not establish compatibility or replacement suitability.
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type of calculation of power loss current-dependent: quadraticinsulation voltage with degree of pollution 3 at AC rated value: 690 V
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type of calculation of power loss current-dependent: quadraticinsulation voltage with degree of pollution 3 at AC rated value: 690 V
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type of calculation of power loss current-dependent: quadraticinsulation voltage with degree of pollution 3 at AC rated value: 690 V
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power loss [W] / for rated value of the current / at AC / in hot operating state / per pole: 3.53 WCommunication function: No