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Siemens 5SY6363-8CC — 3-Pole MCB (DIN Rail)

Siemens 5SY6363-8CC SENTRON MCB, 3P D-63A, 6kA

MPN5SY6363-8CC

Siemens SENTRON 5SY6363-8CC miniature circuit breaker, 3-pole, D tripping characteristic, 63 A rated current, 400 V AC, 6 kA breaking capacity per EN 60898.

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Siemens 5SY6363-8CC datasheet (PDF)

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

Specifications

5SY6363-8CC — Identification
Parameter	Value
Brand name	SENTRON
Number of poles	3
Pole configuration	3P
Suitability for operation	Mechanical engineering / industry

5SY6363-8CC — Protection
Parameter	Value
Tripping characteristic (curve)	D
Breaking capacity per EN 60898	6 kA
Overvoltage category	III
IP protection class	IP20, with connected conductors
Pollution degree	3

5SY6363-8CC — Electrical
Parameter	Value
Rated voltage (AC, multi-phase)	440 V
Voltage type (AC/DC)	AC
Supply frequency range	50/60 Hz
Power loss per pole at rated current (AC, hot)	4.9 W
Mechanical service life (operating cycles, typ.)	10 000
Neutral conductor switching	No
Rated voltage (AC, single-phase)	440 V

5SY6363-8CC — Mechanical
Parameter	Value
Modular width units	3
Mounting position	any
Width	54 mm
Height	90 mm
Depth	76 mm
Installation depth	70 mm
Terminal tightening torque, max.	75 °C
Terminal tightening torque, min.	-40 °C
Combined terminal, top	Yes
Combined terminal, bottom	Yes
Fastening method	Quick assembly system
Sealable	Yes
Accepts supplementary devices	Yes

5SY6363-8CC — Environmental
Parameter	Value
Halogen-free	Yes
Silicone-free	Yes
Influence of surrounding temperature	max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C
Vibration resistance (IEC 60068-2-6)	±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz

Product details

It is a 3-pole, D-curve device rated for 63 A at 400 V AC (50/60 Hz), with a breaking capacity of 6 kA per EN 60898 and 5 kA per UL 1077 / CSA C22.2 No. 235.

Snap-on quick assembly system; mounting position any. Sealable for tamper-proof installations.

Environmental and service life

Rated for ambient temperatures from -40 °C to 75 °C, with humidity tolerance up to 95% at 55 °C, derating to 35% at 75 °C. Vibration resistance per IEC 60068-2-6: ±1 mm at 5–25 Hz, 50 m/s² at 25–150 Hz. Mechanical service life 10,000 operating cycles typical. Halogen-free and silicon-free construction. Pollution degree 3, overvoltage category III.