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Siemens 5SY5206-6 — 2-Pole MCB (DIN Rail)

Siemens 5SY5206-6 SENTRON MCB, 2-Pole B-Curve, 10 kA

MPN5SY5206-6
Active

Siemens SENTRON 5SY5206-6 miniature circuit breaker, 2-pole, B-curve, 10 kA breaking capacity per IEC/EN 60898-2 and UL1077, 400 V AC / 440 V DC, 50/60 Hz, IP20, 2 MW.

$38.10Ref. price · indicative, final on quote
Siemens 5SY5206-6 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5SY5206-6 — Identification
ParameterValue
Product designationMiniature circuit breaker
Brand nameSENTRON
Application environmentuniversal current
5SY5206-6 — Electrical
ParameterValue
Number of poles2
5SY5206-6 — Protection
ParameterValue
Tripping characteristic classB
Overvoltage categoryIII
5SY5206-6 — 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
5SY5206-6 — Environmental
ParameterValue
Pollution degree3
5SY5206-6 — Specifications
ParameterValue
At AC rated value400 V
According to EN 60898 rated value10 kA
With single-phase operation at AC rated value440 V
Energy Limitation Class3

Product details

It breaks fault currents up to 10 kA per IEC/EN 60898-2 and UL1077, and reaches 15 kA under DC according to IEC 60947-2. The IP20 enclosure with connected conductors is standard for panel-mount distribution; the sealable design lets a lockout/tagout program secure the toggle against unauthorized reset.

Rated for ambient temperatures from -40 °C to 75 °C, with humidity derating above 55 °C (95% RH at 55 °C, stepping down to 35% RH at 75 °C). The quick-assembly fastening method and combined top/bottom terminals simplify busbar and cable routing in crowded enclosures. Halogen-free and silicon-free construction avoids corrosion risk in sealed cabinets or clean-room zones.

Frequently asked questions

Where can I buy 5SY5206-6?

The 5SY5206-6 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

What is the difference between 5SY5206-6 and 5SY5240-7?

Both are 2-pole SENTRON MCBs with the same physical footprint (2 MW, 36 mm wide). The 5SY5240-7 carries a C-curve characteristic (higher magnetic trip threshold for motor or transformer loads), while the 5SY5206-6 is B-curve (for general-purpose resistive and lighting circuits). They share the same breaking capacity and terminal layout, so a panel wired for one can accept the other without rewiring — only the trip curve changes.

What compliance documentation does Siemens provide for 5SY5206-6?

The 5SY5206-6 is certified to IEC/EN 60898-2 and UL1077. It carries an IP20 protection class and is rated for overvoltage category III, pollution degree 3. Halogen-free and silicon-free materials are specified.

MPN
5SY5206-6