The Siemens 5SY6320-7 is described by Siemens as: Miniature circuit breaker 400 V 6kA, 3-pole, C, 20 A, D=70 mm.
Miniature circuit breakers are the most replaced parts in distribution boards: after years of switching or a heavy short circuit, the contacts or the mechanism wear and the breaker no longer holds or trips reliably.
See our Siemens range.
Technical data
| Siemens order number | 5SY6320-7 |
|---|---|
| Dimensions (W x H x D) | 54 x 90 x 76 mm |
| Weight, approx. | 0.463 kg |
| Condition | New, original Siemens |
Key features (per Siemens)
- Miniature circuit breaker 400 V 6kA
- 3-pole
- 20 A
- D=70 mm
Typical applications
- Distribution boards
- Control panel protection
- Machine power circuits
- Replacing a damaged breaker
Compatibility and replacement
Match the number of poles, the rated current, the tripping characteristic and the breaking capacity to the old breaker.
What to check first
- Check the mounting (DIN rail or screw fixing) and the terminal type (screw or spring-loaded) of the old unit.
- Look for signs of overvoltage, water or heat damage in the cabinet so the new part does not fail for the same reason.
- Check the supply voltage and wiring of the old unit before installing the new one.
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 I get a datasheet?
The official manufacturer datasheet is the source of the technical data above; we can send the PDF with the quotation on request.
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.
Ordering tips
Send us the full order number from the label of the old part, or a clear photo of the label, together with the quantity you need. We check the number against the current manufacturer data before we quote and tell you if there is a newer replacement.
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.





