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Siemens 5SY4310-6KK11 — 3-Pole MCB (DIN Rail)

Siemens 5SY4310-6KK11 SENTRON MCB, 3P, 10 A, Char B, 10/20 k

MPN5SY4310-6KK11

Siemens SENTRON 5SY4310-6KK11 miniature circuit breaker, 3-pole, 10 A rated current, tripping characteristic B, breaking capacity 10 kA per EN 60898 / 20 kA per IEC 60947-2, designed for railway applications.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

5SY4310-6KK11 — Identification
ParameterValue
Brand nameSENTRON
Number of poles3
Pole configuration3P
Suitability for operationMechanical engineering / industry
5SY4310-6KK11 — Protection
ParameterValue
Tripping characteristic (curve)B
Breaking capacity per EN 6089810 kA
Breaking capacity per IEC 60947-220 kA
Overvoltage categoryIII
IP protection classIP20, with connected conductors
Energy limitation class3
Pollution degree3
5SY4310-6KK11 — Electrical
ParameterValue
Rated current (AC)10 A
Rated voltage (AC, multi-phase)440 V
5SY4310-6KK11 — Mechanical
ParameterValue
Modular width units3
Mounting positionany
Width54 mm
Height90 mm
Depth76 mm
Installation depth70 mm
Terminal tightening torque, max.75 °C
Terminal tightening torque, min.-40 °C
Combined terminal, topYes
Combined terminal, bottomYes
Fastening methodQuick assembly system
SealableYes
5SY4310-6KK11 — Environmental
ParameterValue
Halogen-freeYes
Silicone-freeYes
Influence of surrounding temperaturemax. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C

Product details

Combined terminal top and bottom accepts conductors for loop-through wiring.

Rated current is 10 A at 35 °C; derate to 9.52 A at 40 °C, 9.27 A at 45 °C, 9.02 A at 50 °C, 8.75 A at 55 °C, and 8.48 A at 60 °C — the derating curve matters when the breaker is packed tightly in a warm cabinet. Maximum relative humidity is 95% up to 55 °C, decreasing to 55% at 70 °C and 35% at 75 °C — a consideration for railway or industrial environments with condensation risk.

MPN
5SY4310-6KK11