| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Current Rating (Amps) | |
| Depth | |
| Halogen Free | |
| Height | |
| Illumination | |
| Mounting Type | |
| Number of Poles | |
| Supply Voltage | |
| Voltage Rating | |
| Width |
The Siemens 5SJ4203-7HG41 is a 2-pole miniature circuit breaker from the 5SJ4 series, suitable for mechanical engineering and industrial applications. It operates with a C-trip characteristic and is rated for a maximum AC operating voltage of 240V according to UL 489 and CSA C22.2 No. 5-02, and a supply voltage of 400V at 50Hz.
This circuit breaker offers a switching capacity current of 10 kA according to EN 60898 and 15 kA according to IEC 60947-2, with a short circuit breaking capacity of 14 kA at AC according to UL 1077 and CSA C22.2 No.235. The operational current is rated at 3A at 30°C and 40°C, with slight reductions at higher temperatures.
Designed for DIN rail mounting, the 5SJ4203-7HG41 has a mechanical service life of typically 10,000 switching cycles. It features combined terminals at both the top and bottom for versatile connections, supporting finely stranded conductors with core end processing from 0.75 mm² to 25 mm². The unit has a protection class of IP20 with connected conductors and IP40 in the handle range. It is also halogen-free and sealable.
Key electrical specifications include a 440V AC insulation voltage and a 50Hz supply voltage frequency. The device is designed for an overvoltage category of 3 and a degree of pollution of 3. Its dimensions are 110 mm in height, 36 mm in width, and 70 mm in depth, with an installation depth of 70 mm, occupying 2 modular width units.
The rated supply voltage is 400V AC. The maximum operating voltage is 240V AC (UL 489) and up to 60V DC single channel or 125V DC 2-channel per UL 489.
The rated current is 3A at 30°C and 40°C, derating to 2.9A at 45°C, 2.8A at 50°C, 2.7A at 55°C, and 2.6A at 60°C.
Switching capacity: 10kA according to EN 60898, 15kA according to IEC 60947-2. Short circuit breaking capacity: 14kA according to UL 1077 and CSA C22.2 No.235.
It is designed for DIN rail mounting.
The typical mechanical service life is 10,000 switching cycles.
Yes, the product is halogen-free as per the datasheet.
The protection class is IP20 with connected conductors, and IP40 in the handle range.