Skip to main content
Siemens 5SY4310-5 — 3-Pole MCB (DIN Rail)

Siemens 5SY4310-5 SENTRON 3-Pole MCB, 10 kA at 400 V

MPN5SY4310-5
Active

Siemens SENTRON 5SY4310-5, 3-pole miniature circuit breaker, 10 kA breaking capacity at 400 V AC per EN 60898-1, 20 kA per IEC 60947-2, tripping characteristic A.

$54.61Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5SY4310-5 — Identification
ParameterValue
Brand nameSENTRON
Number of poles3
Pole configuration3P
Suitability for operationMechanical engineering / industry
5SY4310-5 — Protection
ParameterValue
Tripping characteristic (curve)A
Breaking capacity per EN 6089810 kA
Breaking capacity per IEC 60947-220 kA
Overvoltage categoryIII
IP protection classIP20, with connected conductors
Pollution degree3
5SY4310-5 — Electrical
ParameterValue
Rated voltage (AC, multi-phase)440 V
Voltage type (AC/DC)AC
Supply frequency range50/60 Hz
Power loss per pole at rated current (AC, hot)2 W
Mechanical service life (operating cycles, typ.)10 000
Neutral conductor switchingNo
Rated voltage (AC, single-phase)440 V
5SY4310-5 — 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
Accepts supplementary devicesYes
5SY4310-5 — Environmental
ParameterValue
Halogen-freeYes
Silicone-freeYes
Influence of surrounding temperaturemax. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C
Vibration resistance (IEC 60068-2-6)±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz

Product details

Voltage ratings and approvals

The 5SY4310-5: Rated operational voltage is 400 V AC (440 V max single- or multi-phase) and 60 V DC (72 V max). The DC breaking capacity per IEC 60947-2 is 15 kA.

The breaker is sealable, halogen-free, and silicon-free. IP20 with conductors connected.

Frequently asked questions

What are the exact dimensions of siemens 5sy4310-5?

Design engineers need to verify fit in crowded DIN rail panels before purchase.

Is 5sy4310-5 ul listed or recognized?

UL listing is a compliance requirement for many North American installations.

Where can i buy siemens 5sy4310-5 with stock in the usa?

Sourcing buyers need immediate availability to avoid production delays.

What is the list price of 5sy4310-5?

Budgeting and cost comparison before creating purchase orders.

What is the replacement for obsolete siemens 5sy4310-5?

Maintenance techs must find fit-form-function equivalent when original is EOL.

What is the difference between 5sy4310-5 and 5sy4310-6?

Buyers ordering exact part need to distinguish slight variants to avoid wrong item.

MPN
5SY4310-5