Siemens 3RU2126-4NB0 Thermal Overload Relay 23-28 A
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Product Description
Siemens 3RU2126-4NB0 thermal overload relay with 23-28 A setting range for motor protection in the SIRIUS 3RU2 range. Direct-mount design with one normally open and one normally closed auxiliary contact, screw connections and CLASS 10 tripping characteristic. Supports manual, automatic and push-button reset up to 690 V rated operating voltage.
Technical Specifications
- Manufacturer part number (MPN)
- 3RU2126-4NB0
- EAN / GTIN
- 4011209780972
- Sales unit
- pcs
- Setting range
- 23-28 A
- Mounting method
- Direct attachment
- Number of auxiliary contacts as normally open contact
- 1
- Number of auxiliary contacts as normally closed contact
- 1
- Release class
- CLASS 10
- Type of electrical connection of main circuit
- Screw connection
- Max. rated operation voltage Ue
- 690 V
- Reset function input
- No
- Reset function automatic
- Yes
- Reset function push-button
- Yes
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.49
Cross References
- EAN 4011209780972
- SAP 1000097518
- Code 8963006
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 3RU2126-4NB0?
- 3RU2126-4NB0 can be ordered from cballast.com as a Siemens catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Siemens product?
- The manufacturer part number is 3RU2126-4NB0.
- What is the HS code for 3RU2126-4NB0?
- The customs tariff (HS) code for 3RU2126-4NB0 is 8536.49.
- Who manufactures 3RU2126-4NB0?
- 3RU2126-4NB0 is a Siemens product in the Switchgear & Protection range.
- Is a datasheet available for 3RU2126-4NB0?
- Yes — the 3RU2126-4NB0 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3RU2126-4NB0?
- The minimum order quantity is 1.
- Is 3RU2126-4NB0 available?
- Yes — 3RU2126-4NB0 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).