
Siemens 3RU2146-4KB0 SIRIUS S3 Thermal Overload Relay for Motor Protection
Pricing
Request a quote
We reply within 24 hours
Product Description
Siemens 3RU2146-4KB0 is a SIRIUS size S3 thermal overload relay for motor protection. Class 10 tripping with one NO and one NC auxiliary contact, direct-mount with screw connection to the main circuit up to 690 V. Automatic and manual reset selectable.
Technical Specifications
- Manufacturer part number (MPN)
- 3RU2146-4KB0 EAN / GTIN: 4047621012902 Sales unit: pcs 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 4047621012902
- SAP 1200014106
- Code 81384135
Product Documentation
More from Siemens

Siemens
Siemens 3RU2126-4BB0 SIRIUS Thermal Overload Relay 14-20 A, Size S0

Siemens
Siemens Circuit breaker 3VA1,125A,2-Pole,TM210,25KA, Bolt Connection
3VA1112-3ED22-0AA0

Siemens
Siemens SENTRON 3VA9267-0HA10 — Motor operating mechanism (stored-energy, re-charging), 24–60 V DC, 3VA20 / 3VA21 / 3VA22

Siemens
Siemens 3RU2146-4KD0 SIRIUS S3 Thermal Overload Relay for Motor Protection

Siemens
Siemens SIMATIC DP, Electronics module f. ET200SP, F-RQ 1X 24 V DC/24..230VAC/5A ST, 20 mm overall width
6ES7136-6RA00-0BF0

Siemens
Siemens Neozed Fuse 400V Gl, Size D01, 2A
5SE2302

Siemens
Siemens LED light 5W,100-230VAC, SWITCH OF/ON 8MR2200-1C

Siemens
Siemens Residual current circuit breaker A 40/4, torque 2,5-3,0 Nm, conductor cross-section 1-35 MM2 SIGRES 5SV3344-6KK12
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 3RU2146-4KB0?
- 3RU2146-4KB0 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 3RU2146-4KB0.
- What is the HS code for 3RU2146-4KB0?
- The customs tariff (HS) code for 3RU2146-4KB0 is 8536.49.
- Who manufactures 3RU2146-4KB0?
- 3RU2146-4KB0 is a Siemens product in the Switchgear & Protection range.
- Is a datasheet available for 3RU2146-4KB0?
- Yes — the 3RU2146-4KB0 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3RU2146-4KB0?
- The minimum order quantity is 1.
- Is 3RU2146-4KB0 available?
- Yes — 3RU2146-4KB0 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).
