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Siemens 5SY4306-8 — Miniature Circuit Breakers (MCB)

Siemens 5SY4306-8 3-Pole MCB, D Curve, 10 kA / 35 kA

MPN5SY4306-8
Active

Siemens SENTRON 5SY4306-8, 3-pole miniature circuit breaker, D tripping characteristic, 10 kA (EN 60898-1) / 35 kA (IEC 60947-2) breaking capacity, 400 V AC, 60 V DC.

$37.03Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

5SY4306-8 — Ratings
ParameterValue
Overvoltage categoryIII
5SY4306-8 — Mechanical
ParameterValue
Width54 mm
Height90 mm
Depth76 mm

Product details

Breaking capacity and tripping characteristic

The 5SY4306-8: For DC circuits the breaking capacity is 15 kA per IEC 60947-2 at 60 V (max 72 V), confirming suitability for DC motor branches or control power feeds with a 3-pole series configuration.

Mounts in any position, with IP20 protection when conductors are connected. The sealable option (padlockable toggle) is useful for lockout/tagout on a machine panel.

Environmental and compliance scope

Halogen-free and silicon-free construction, which simplifies disposal compliance and avoids outgassing concerns in sealed electronics cabinets.

Frequently asked questions

Can 5SY4306-8 be used for DC applications?

Yes. The three poles can be series-connected for higher DC voltage.

MPN
5SY4306-8