
Siemens Thermal Overload Relay 2.8 - 4.0 A
Pricing
Request a quote
We reply within 24 hours
Product Description
Siemens 3RU2126-1EB0 is a thermal overload relay with a 2.8-4.0 A setting range and direct-attachment mounting. It provides one NO and one NC auxiliary contact with screw main-circuit connections and a Class 10 release. Rated for a maximum operating voltage Ue of 690 V with automatic and manual push-button reset functions.
Technical Specifications
- Manufacturer part number (MPN)
- 3RU2126-1EB0
- EAN / GTIN
- 4011209780873
- Sales unit
- pcs
- Setting range
- 2.8-4.0 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 4011209780873
- SAP 1000097506
- Code 8939308
Product Documentation
More from Siemens

Siemens
Siemens SIVACON S4 SET 3V23_24 VERTICAL 500X800 8PQ6000-8BA65

Siemens
Siemens SENTRON 3VA9257-0EK15 — Front-mounted rotary operating mechanism, 3VA12

Siemens
Siemens Thermal Overload Relay, 30-36 A, Spring Clamp Connection, Separate Mounting
3RU2126-4PC1

Siemens
Siemens Bottom plate without cable entry 8PQ2304-4BA05

Siemens
Siemens Innerdoor 8PQ2000-6BA05

Siemens
Siemens Top plate with cable entry 8PQ2304-6BA03

Siemens
Siemens Field Door with 2-Point Lock 8PQ2197-1BA10

Siemens
Siemens SENTRON 3VA9257-0EK21 — Front-mounted rotary operating mechanism (door-interlock), 3VA12
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 3RU2126-1EB0?
- 3RU2126-1EB0 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 3RU2126-1EB0.
- What is the HS code for 3RU2126-1EB0?
- The customs tariff (HS) code for 3RU2126-1EB0 is 8536.49.
- Who manufactures 3RU2126-1EB0?
- 3RU2126-1EB0 is a Siemens product in the Switchgear & Protection range.
- Is a datasheet available for 3RU2126-1EB0?
- Yes — the 3RU2126-1EB0 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3RU2126-1EB0?
- The minimum order quantity is 1.
- Is 3RU2126-1EB0 available?
- Yes — 3RU2126-1EB0 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).
