Siemens SENTRON 5SY4340-8FA Miniature Circuit Breaker 3-Pole D40A 10KA
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Product Description
Siemens SENTRON 5SY4 miniature circuit breaker, ordering number 5SY4340-8FA. 3-Pole DIN-rail MCB with D tripping characteristic (10–20 × In), rated current 40 A, rated voltage 400 V AC, rated short-circuit breaking capacity 10 kA to IEC/EN 60898-1. Thermal-magnetic overcurrent and short-circuit protection for final and sub-distribution circuits. Terminal capacity 0.75–35 mm², tightening torque 2.5–3 Nm, mounting depth 70 mm.
Technical Specifications
- Manufacturer part number (MPN)
- 5SY4340-8FA
- Series
- Siemens SENTRON 5SY4
- Type
- Miniature circuit breaker (MCB), DIN rail (35 mm)
- Number of poles
- 3-Pole
- Rated current (In)
- 40 A
- Tripping characteristic
- D (10–20 × In)
- Rated voltage (Ue)
- 400 V AC
- Rated short-circuit breaking capacity (Icn)
- 10 kA
- Standards
- IEC/EN 60898-1, IEC/EN 60947-2
- Terminal capacity
- 0.75–35 mm²
- Terminal tightening torque
- 2.5–3 Nm
- Mounting depth
- 70 mm
- EAN / GTIN
- 4001869300481
- HS code
- 8536.20
- Sales unit
- pcs
- Package quantity
- 4 pcs
Standards & Compliance
- Standard
- Siemens SENTRON 5SY4
- HS Code
- 8536.20
Cross References
- EAN 4001869300481
- SAP 1000064737
- Code 8904371
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 5SY4340-8FA?
- 5SY4340-8FA can be ordered from cballast.com as a Siemens catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Siemens product?
- The manufacturer part number is 5SY4340-8FA.
- What is the HS code for 5SY4340-8FA?
- The customs tariff (HS) code for 5SY4340-8FA is 8536.20.
- Who manufactures 5SY4340-8FA?
- 5SY4340-8FA is a Siemens product in the Electrical Components range.
- Is a datasheet available for 5SY4340-8FA?
- Yes — the 5SY4340-8FA datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 5SY4340-8FA?
- The minimum order quantity is 1.
- Is 5SY4340-8FA available?
- Yes — 5SY4340-8FA is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).