
Siemens
5SX2125-7 Siemens
Part number: 5SX21257
- SKU
- 5SX21257
- Manufacturer
- Siemens
- Category
- Industrial Communication
- Availability
- In stock
- Condition
- New
- EAN
- 4001869031101
Search tags
- 5SX21257
- Siemens
- Industrial Communication
- default
- siemens
Industrial search summary
5SX21257 (Siemens) — 5SX2125-7 Siemens. Category: Industrial Communication. Availability: In stock. B2B quote via CMC Automation (en). Indexable manufacturer part number.
Technical overview
Miniature circuit-breaker T55 230/400 V, 6kA, 1-pole, C, 25A
Industrial applications
5SX21257 (Siemens) is used on production lines, machines and panels that require Industrial Communication components. Include application and voltage in your RFQ for technical validation.
Quoting & supply
CMC Automation connects industrial buyers with suppliers to quote 5SX21257 Siemens, with multilingual support and global coverage.
Frequently asked questions
- What is 5SX21257?
- 5SX21257 is a Siemens item in the Industrial Communication category, listed as 5SX2125-7 Siemens. It is an industrial part number used in automation, maintenance and retrofit projects.
- Where is 5SX21257 used?
- 5SX21257 is used in systems with Siemens Industrial Communication components such as PLCs, drives, sensors, contactors and plant instrumentation.
- How do I request a quote for 5SX21257?
- Add 5SX21257 to your quote cart or contact CMC Automation. Include quantity, urgency and application details for a commercial response.
- Are there substitutes for 5SX21257?
- CMC Automation sources substitutes and compatible references when available. 0 related substitute(s) are listed on this page.
- What Siemens items relate to 5SX21257?
- This page lists 6 item(s) related to 5SX21257 Siemens to support maintenance, BOM and technical purchasing.






