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Siemens 5SY6311-7 — Miniature Circuit Breakers (MCB)

Siemens 5SY6311-7 SENTRON MCB, 3P C 5A, 6kA/30kA

MPN5SY6311-7
Active

Siemens SENTRON 5SY6311-7, 3-pole miniature circuit breaker, C-curve, 5 A rated, 6 kA (EN 60898) / 30 kA (IEC 60947-2), IP20, 3 MW units, quick-assembly system.

Siemens 5SY6311-7 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

5SY6311-7 — Ratings
ParameterValue
Overvoltage categoryIII
5SY6311-7 — Mechanical
ParameterValue
Width54 mm
Height90 mm
Depth76 mm

Product details

Siemens 5SY6311-7 — 3-pole C-curve MCB at 5 A

Any mounting position is allowed, and the combined top/bottom terminals accept wiring without reorienting the breaker. Touch protection is built in — no separate finger-safe covers needed for the line side.

Thermal derating and environmental limits

Rated 5 A at 35 °C; at 40 °C the continuous current drops to 4.76 A, at 50 °C to 4.51 A, and at 55 °C to 4.38 A. Ambient range is -40 °C to 75 °C; humidity limit is 95% up to 55 °C, tapering to 35% at 75 °C.

Frequently asked questions

Where can I buy 5SY6311-7 and how do I get a price?

This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing.

What are the key ratings of the 5SY6311-7?

3-pole, C-curve, 5 A rated at AC. Breaking capacity is 6 kA per EN 60898 and 30 kA per IEC 60947-2. It also carries a 30 kA DC breaking rating per IEC 60947-2.

What compliance documentation is available for 5SY6311-7?

The breaker is IEC 60947-2 and EN 60898 rated, overvoltage category III, pollution degree 3, IP20 with connected conductors. It is halogen-free and silicon-free.

MPN
5SY6311-7