5SJ4311-8HG42
Siemens
The Siemens 5SJ4311-8HG42 is a 3-pole miniature circuit breaker with a 5A operational current and a D-trip characteristic. It offers a switching capacity of 10kA according to EN 60898.
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This Siemens 5SJ4311-7HG42 is a 3-pole miniature circuit breaker from the 5SJ4 series, designed for reliable circuit protection. It features a C-curve tripping characteristic and a rated operational current of 5A at 30°C, with derating at higher temperatures.
The breaker supports AC/DC operation with an insulation voltage of 440V AC and a rated supply voltage of 400V AC. It has a high switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. The unit is designed for DIN rail mounting and has a mechanical service life of typically 10,000 switching cycles.
Key features include touch protection, combined terminals for flexible wiring, and suitability for environments with specific EMC immunity requirements. The compact dimensions of 54mm width and 70mm depth make it suitable for space-constrained applications. It is also halogen-free and sealable.
This circuit breaker is suitable for mechanical engineering and industrial applications, providing robust protection against overcurrents and short circuits.
The Siemens 5SJ4311-7HG42 has 3 poles.
The tripping characteristic is Class C.
The rated operational current at 30°C is 5A.
The switching capacity according to EN 60898 is 10 kA.
The insulation voltage (Ui) at AC is 440 V.
The maximum operating voltage at AC according to UL 489 is 277 V.
The typical mechanical service life is 10,000 switching cycles.