Order number 5SY4350-7 is a genuine Siemens part from the SENTRON 5SY miniature circuit breakers range. Official description: Miniature circuit breaker 400 V 10kA, 3-pole, C, 50 A, D=70 mm.
The rated current must match the cable cross-section and the tripping characteristic must suit the load; both are printed on the front of the breaker and listed in the Siemens table below.
See our Siemens range.
Technical data
| Siemens order number | 5SY4350-7 |
|---|---|
| Dimensions (W x H x D) | 54 x 90 x 76 mm |
| Weight, approx. | 0.483 kg |
| Condition | New, original Siemens |
Features at a glance
- Miniature circuit breaker 400 V 10kA
- 3-pole
- 50 A
- D=70 mm
Typical applications
- Replacing a damaged breaker
- Machine power circuits
- Distribution boards
- Control panel protection
Compatibility and replacement
Match the number of poles, the rated current, the tripping characteristic and the breaking capacity to the old breaker.
Replacement checklist
- Check the supply voltage and wiring of the old unit before installing the new one.
- Compare the full order number 5SY4350-7 with the label on the old unit, including the last digits (they identify the version).
- Check the mounting (DIN rail or screw fixing) and the terminal type (screw or spring-loaded) of the old unit.
Frequently asked questions
What is the breaking capacity?
See the rated short-circuit breaking capacity in the Siemens table above.
Does it fit a standard DIN rail?
Yes, 35 mm DIN rail.
Can you help me identify the right replacement?
Yes. Send us a photo of the label of the old part, or its full order number, and we will confirm the exact match or the official successor before quoting.
Is it new and original?
Yes. We supply new, original parts in the manufacturer packaging, with a 1-year warranty.
Can I get a price and delivery time?
Prices are quoted on request. Send the order number, quantity and delivery country on WhatsApp and we will reply with price and delivery time; air shipping is usually 5 to 7 days once ready, with a 1-year warranty.
Before you order
Compare the complete order number on the old unit with this page, including the suffix: in most ranges the last characters set the coil voltage, current range or version. If the label is worn, send us a photo and we will identify the part.
RendatSP ships from Yiwu, China, to factories worldwide; air delivery usually takes 5 to 7 days once the part is ready. The part is new and original with a 1-year warranty (shipping, payment and warranty). For a quotation, message us on WhatsApp with the order number and quantity. We also have agents in Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.





