Siemens SENTRON 5SY8340-7 Miniature Circuit Breaker 3-Pole C40A 25KA
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Product Description
Siemens SENTRON 5SY8 miniature circuit breaker, ordering number 5SY8340-7. 3-Pole DIN-rail MCB with C tripping characteristic (5–10 × In), rated current 40 A, rated voltage 400 V AC, rated short-circuit breaking capacity 25 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)
- 5SY8340-7
- Series
- Siemens SENTRON 5SY8
- Type
- Miniature circuit breaker (MCB), DIN rail (35 mm)
- Number of poles
- 3-Pole
- Rated current (In)
- 40 A
- Tripping characteristic
- C (5–10 × In)
- Rated voltage (Ue)
- 400 V AC
- Rated short-circuit breaking capacity (Icn)
- 25 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
- 4001869263755
- HS code
- 8536.20
- Sales unit
- pcs
- Package quantity
- 4 pcs
Standards & Compliance
- Standard
- Siemens SENTRON 5SY8
- HS Code
- 8536.20
Cross References
- EAN 4001869263755
- SAP 1000018514
- Code 8155139
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 5SY8340-7?
- 5SY8340-7 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 5SY8340-7.
- What is the HS code for 5SY8340-7?
- The customs tariff (HS) code for 5SY8340-7 is 8536.20.
- Who manufactures 5SY8340-7?
- 5SY8340-7 is a Siemens product in the Electrical Components range.
- Is a datasheet available for 5SY8340-7?
- Yes — the 5SY8340-7 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 5SY8340-7?
- The minimum order quantity is 1.
- Is 5SY8340-7 available?
- Yes — 5SY8340-7 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).