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Siemens 5SY7350-7CC — Miniature Circuit Breakers (MCB)

Siemens 5SY7350-7CC SENTRON MCB, 3P, C-Curve, 50 A, 400 V

MPN5SY7350-7CC

Siemens SENTRON 5SY7350-7CC, miniature circuit breaker, 3-pole, C-curve, 50 A, 400 V AC, 20 kA breaking capacity per IEC 60947-2, 3 MW units.

Siemens 5SY7350-7CC 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

5SY7350-7CC — Ratings
ParameterValue
Overvoltage categoryIII
5SY7350-7CC — Mechanical
ParameterValue
Width54 mm
Height90 mm
Depth76 mm

Product details

For UL 1077 / CSA C22.2 No. 235 applications, the interrupting rating is 5 kA, so check the available fault current if the panel is built to North American code.

Fit and footprint

Three modular-width units (54 mm wide) snap onto the standard DIN rail. Mounts in any position; the quick-assembly system means no tools for the rail clip. IP20 with conductors connected, so it's a panel-interior part, not a field-mounted disconnect.

Vibration resistance per IEC 60068-2-6: ±1 mm at 5–25 Hz, 50 m/s² at 25–150 Hz — survives the floor of a typical machine skid.

Frequently asked questions

What is the breaking capacity of 5SY7350-7CC?

20 kA per IEC 60947-2 at 400 V AC; 5 kA per UL 1077 / CSA C22.2 No. 235. The IEC figure handles most industrial distribution subfeeds; the UL figure governs North American supplementary-protection installations.

What is the closest functional second-source to 5SY7350-7CC?

The 5SY4140-7 series is a functional peer in the same SENTRON family — same 3-pole C-curve form factor, but different current ratings. The 5SY7350-7CC is a 50 A variant; the 5SY4140-7 covers lower current values. They share the same DIN-rail footprint and modular width, so a panel designed for one can accept the other without rewiring, provided the current rating matches the load.

Where can I buy 5SY7350-7CC?

Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock count or price is published here.

MPN
5SY7350-7CC