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Siemens 5SY4425-7CC — Miniature Circuit Breakers (MCB)

Siemens SENTRON 5SY4425-7CC MCB, 25 A, C-Curve, 4P, 10 kA

MPN5SY4425-7CC

Siemens SENTRON 5SY4425-7CC miniature circuit breaker, 25 A rated, C tripping characteristic, 4-pole, 10 kA breaking capacity per EN 60898, 5 kA per UL 1077, IP20.

Siemens 5SY4425-7CC datasheet (PDF)
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

5SY4425-7CC — Ratings
ParameterValue
Overvoltage categoryIII
5SY4425-7CC — Mechanical
ParameterValue
Width72 mm
Height90 mm
Depth76 mm

Product details

Rated current and selectivity

The 10 kA breaking capacity per EN 60898 covers most commercial and light-industrial fault levels; the 5 kA rating per UL 1077 and CSA C22.2 No. 235 is the figure to use for North American panel schedules. At 40 °C the breaker carries 23.5 A before thermal derating; at 50 °C it holds 21.9 A, and at 55 °C it holds 21.05 A — so a 25 A breaker on a 20 A continuous load in a 50 °C panel is fine, but pushing a 24 A load at 55 °C will trip on thermal after sustained operation.

Snap-on DIN rail mount, any position. IP20 with connected conductors — this is a dry-location panel breaker, not for washdown environments. The quick-assembly system and sealable toggle let the panel builder lock out unauthorized operation after commissioning.

Frequently asked questions

What is the breaking capacity of 5SY4425-7CC?

10 kA per EN 60898 and 5 kA per UL 1077 / CSA C22.2 No. 235 — the lower figure governs for North American panel coordination.

Will 5SY4425-7CC drop into a panel specified around 5SY4304-7CV?

Both are 4-pole SENTRON MCBs on the same DIN-rail footprint with identical 72 mm width, so the mechanical swap is direct. The 5SY4425-7CC is a 25 A C-curve; the 5SY4304-7CV is a 4 A C-curve — the ampacity difference means the branch circuit must be re-evaluated for conductor and load coordination before substitution.

Where can I buy 5SY4425-7CC?

Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

MPN
5SY4425-7CC