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Siemens 5SY8606-7 — 4-Pole MCB (DIN Rail)

Siemens 5SY8606-7 SENTRON MCB, 3P+N, C-curve, 50 kA

MPN5SY8606-7
Active

Siemens SENTRON 5SY8606-7, 4-pole (3P+N) miniature circuit breaker, C-curve, 50 kA interrupting capacity per IEC 60947-2, 5 kA per UL 1077.

Siemens 5SY8606-7 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5SY8606-7 — Identification
ParameterValue
Brand nameSENTRON
Application suitabilityMechanical engineering / industry
5SY8606-7 — Ratings
ParameterValue
Number of poles4
Pole configuration3P+N
Rated voltage, AC (multi-phase)440 V
5SY8606-7 — Protection
ParameterValue
Tripping characteristic (trip curve)C
Overvoltage categoryIII
Pollution degree3
Degree of protection (IP)IP20, with connected conductors
5SY8606-7 — Mechanical
ParameterValue
Width in modular units4
Width72 mm
Height90 mm
Depth76 mm
Installation depth70 mm
Fastening / mounting methodQuick assembly system
Mounting positionany
Combined terminal, topYes
Combined terminal, bottomYes
Tightening torque, max.75 °C
Tightening torque, min.-40 °C
SealableYes
5SY8606-7 — Environmental
ParameterValue
Halogen-freeYes
Silicone-freeYes
Influence of ambient temperature (derating)max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C
5SY8606-7 — Performance
ParameterValue
Power loss per pole, AC (hot state, at In)1.6 W

Product details

The Siemens 5SY8606-7 is a 4-pole (3P+N) SENTRON miniature circuit breaker with a C-curve trip characteristic, rated to interrupt 50 kA at 400 V AC per IEC 60947-2 and 5 kA per UL 1077.

The DC rating of 15 kA at 60 V (max 72 V) covers control-circuit protection in battery-backed or DC bus applications. The UL 1077 rating of 5 kA is the supplementary protector rating for North American panels — it's not a branch-circuit rated breaker under UL 489, so verify the panel's SCCR requirements before specifying. The 3P+N design switches the neutral conductor, which is required in some regional wiring codes (e.g., UK, Australia) and for isolating all live conductors during maintenance.

The 76 mm depth leaves clearance in most 100 mm deep enclosures.

Certified to IEC/EN 60947-2 and UL 1077. Halogen-free and silicon-free construction. Vibration resistance tested per IEC 60068-2-6 (1 mm at 5-25 Hz, 50 m/s² at 25-150 Hz).

Frequently asked questions

What is the interrupting capacity of 5SY8606-7?

50 kA at 400 V AC per IEC 60947-2, 15 kA at 60 V DC per IEC 60947-2, and 5 kA per UL 1077 for supplementary protection in North American panels.

Will 5SY8606-7 drop into a panel specified around 5SY4304-7CV?

Both are 4-pole SENTRON MCBs on the same DIN-rail footprint, so the mechanical fit is the same. The 5SY8606-7 carries a higher interrupting capacity (50 kA vs the 5SY4304-7CV's rating), so verify the panel's SCCR and trip curve before swapping — the C-curve is the same, but the higher fault rating may require coordination checks with upstream devices.

Where can I buy 5SY8606-7?

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

What compliance documentation does Siemens provide for 5SY8606-7?

The breaker is certified to IEC/EN 60947-2 and UL 1077. It is halogen-free and silicon-free. Standard documentation includes the declaration of conformity and test reports per the applicable standards.

MPN
5SY8606-7