
Siemens SENTRON 5SY4140-8 Miniature Circuit Breaker 1-Pole D40A 10KA
Pricing
Request a quote
We reply within 24 hours
Product Description
Siemens SENTRON 5SY4 miniature circuit breaker, ordering number 5SY4140-8. 1-Pole DIN-rail MCB with D tripping characteristic (10–20 × In), rated current 40 A, rated voltage 230/400 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)
- 5SY4140-8
- Series
- Siemens SENTRON 5SY4
- Type
- Miniature circuit breaker (MCB), DIN rail (35 mm)
- Number of poles
- 1-Pole
- Rated current (In)
- 40 A
- Tripping characteristic
- D (10–20 × In)
- Rated voltage (Ue)
- 230/400 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
- 4001869202082
- HS code
- 8536.20
- Sales unit
- pcs
- Package quantity
- 12 pcs
Standards & Compliance
- Standard
- Siemens SENTRON 5SY4
- HS Code
- 8536.20
Cross References
- EAN 4001869202082
- SAP 1000028757
- Code 8256895
Product Documentation
More from Siemens

Siemens
Siemens 3VA11, 25KA, 3-Pole, TM240, IN=40A,IR=28A 3VA1140-3EF36-0AA0

Siemens
Siemens Fuse switch-disconnector 3NP1153-1BC20

Siemens
Siemens SENTRON 3VA9484-0QB00 — Copper connecting bar, 3VA23 / 3VA24

Siemens
Siemens Signal Converter Manual/Auto 24-240V AC/DC 3-Way Isolation
3RS7025-1FW00

Siemens
Siemens SENTRON 3KD Switch-Disconnector 3KD1630-2ME20-0, 16 A, 3-Pole, Front Operated Centre, with Rotary Handle

Siemens
Siemens Circuit breaker rated current 8A
3RV2311-1HC10

Siemens
Siemens Variable-frequency drive for pump- and fan drive 6SL3220-3YE40-0UF0

Siemens
Siemens SENTRON 3KD Switch-Disconnector 3KD4830-0QE20-0, 800 A, 3-Pole, Front Operated Centre, without Rotary Handle
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 5SY4140-8?
- 5SY4140-8 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 5SY4140-8.
- What is the HS code for 5SY4140-8?
- The customs tariff (HS) code for 5SY4140-8 is 8536.20.
- Who manufactures 5SY4140-8?
- 5SY4140-8 is a Siemens product in the Electrical Components range.
- Is a datasheet available for 5SY4140-8?
- Yes — the 5SY4140-8 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 5SY4140-8?
- The minimum order quantity is 1.
- Is 5SY4140-8 available?
- Yes — 5SY4140-8 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).
