| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Current Rating (Amps) | |
| Depth | |
| Halogen Free | |
| Height | |
| Illumination | |
| Mounting Type | |
| Number of Poles | |
| Voltage Rating | |
| Width |
This Siemens 5SJ4330-8HG42 is a 3-pole miniature circuit breaker designed for robust protection in industrial and mechanical engineering applications. It offers a rated current of 30A and a significant switching capacity of 10kA according to EN 60898 standards, and 15kA according to IEC 60947-2.
The breaker operates with a D-trip characteristic, suitable for circuits with high inrush currents. It supports AC/DC voltage and has an insulation voltage rating of 440V. The unit is designed for DIN rail mounting and features touch protection.
Key electrical specifications include an operating voltage of up to 400V AC and 60V DC (single channel) or 125V DC (2-channel) according to UL 489 and CSA C22.2 No. 5-02. The power loss per pole is 3.2W in hot operating state. The breaker is halogen-free and sealable.
Mechanical dimensions are 121mm height, 54mm width, and 70mm depth, with an installation depth of 70mm. It occupies 3 modular width units on a standard mounting rail. The connection terminals accommodate finely stranded conductors with core end processing from 0.75mm² to 25mm², with a maximum tightening torque of 3.5 N·m.
The operational current rating is 30A at 30°C and 40°C, decreasing slightly at higher temperatures.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
The rated insulation voltage is 440V AC, and the rated supply voltage is 400V AC. It also supports DC operation up to 125V.
It is designed for DIN rail mounting.
Yes, it is listed as RoHS3 Compliant.
The Moisture Sensitivity Level is 1.