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Siemens 5SY5204-7KK11 — 2-Pole MCB (DIN Rail)

Siemens 5SY5204-7KK11 SENTRON MCB, 2P C-4A, 10kA, 440VDC

MPN5SY5204-7KK11

Siemens SENTRON 5SY5204-7KK11 miniature circuit breaker, 2-pole, tripping characteristic C, rated current 4 A AC, rated insulation voltage 440 V DC, breaking capacity 10 kA per EN 60898.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

5SY5204-7KK11 — Identification
ParameterValue
Product designationMiniature circuit breaker
Brand nameSENTRON
Application environmentuniversal current
5SY5204-7KK11 — Electrical
ParameterValue
Number of poles2
5SY5204-7KK11 — Protection
ParameterValue
Tripping characteristic classC
Overvoltage categoryIII
5SY5204-7KK11 — Mechanical
ParameterValue
Modular width units2
Width36 mm
Height90 mm
Depth76 mm
Installation depth70 mm
Mounting positionany
Min.-40 °C
Max.75 °C
Protection degree (IP)IP20, with connected conductors
5SY5204-7KK11 — Environmental
ParameterValue
Pollution degree3
5SY5204-7KK11 — Specifications
ParameterValue
Energy Limitation Class3

Product details

It carries a C tripping characteristic, rated 4 A at AC, and a DC rated voltage of 440 V.

It mounts in any position via the quick-assembly system, fitting standard DIN-rail enclosures. Height is 90 mm.

DC ratings and polarity

For DC operation, the supply cord position must observe polarity — AC connection is polarity-independent. The part is designed for universal current and is rated for railway applications per its design designation.

Temperature derating

Rated current derates with ambient temperature: 4 A at 35 °C, 3.76 A at 40 °C, 3.63 A at 45 °C, 3.5 A at 50 °C, 3.36 A at 55 °C, and 3.22 A at 60 °C.

The breaker is sealable, halogen-free, and silicon-free. Energy limitation class is 3.

Frequently asked questions

Where can I buy 5SY5204-7KK11 and how do I get a price?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

What is 5SY5204-7KK11's listed depth?

The depth is 76 mm, with an installation depth of 70 mm.

Will 5SY5204-7KK11 drop into a panel specified around 5SY5250-7 without rewiring?

Both are 2-pole SENTRON MCBs with the same width (36 mm, 2 MW) and mounting system, so physical fit is identical. The key difference is the current rating — 5SY5204-7KK11 is 4 A C-curve; 5SY5250-7 is a higher-rated variant. Verify the load current before substitution.

What compliance documentation does this brand provide for 5SY5204-7KK11?

The part carries IEC and EN certifications (EN 60898, EN 60898-2) and is designed for railway applications. It is halogen-free and silicon-free. Specific RoHS/REACH/UL documentation should be confirmed at quote time.

MPN
5SY5204-7KK11