| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Current Rating (Amps) | |
| Depth | |
| Halogen Free | |
| Height | |
| Illumination | |
| Mounting Type | |
| Number of Poles | |
| Storage Temperature | |
| Supply Voltage | |
| Tape & Reel | |
| Voltage | |
| Voltage Rating | |
| Width |
This Siemens 5SJ4305-7HG42 is a 3-pole miniature circuit breaker designed for reliable circuit protection. It features a C-trip characteristic and a rated operational current of 0.5A at 30°C, with a breaking capacity of 10kA according to EN 60898.
The breaker supports AC/DC operation with an insulation voltage of 440V AC and a rated supply voltage of 400V AC. It can operate at DC voltages up to 60V (single channel) or 125V (2-channel) according to UL 489 standards. The device is built for mechanical engineering and industrial applications, offering a mechanical service life of 10,000 switching cycles.
With a compact design measuring 54mm in width and a 70mm installation depth, it mounts on a standard DIN rail. The breaker includes features like touch protection and is sealable and halogen-free. It is suitable for environment B regarding EMC immunity.
Connections are made via combined terminals, supporting finely stranded conductors from 0.75mm² to 25mm² with a maximum tightening torque of 3.5 N·m.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 0.5A at 30°C and 40°C.
This circuit breaker has 3 poles.
The switching capacity current is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
The tripping characteristic class is C.
The maximum AC operating voltage according to UL 489 is 277V.
The insulation voltage (Ui) at AC is rated at 440 V.
The typical mechanical service life is 10,000 switching cycles.