Datasheet

ManualsBrandsSiemens ManualsAutomation3RA21201KH240BB4 Feeder terminal 690 V Nominal current 11.5 A

Data sheet 3RA2120-1KH24-0BB4

Load feeder fuseless, Direct-on-line starting 400 V AC, Size S0

9.00...12.5 A 24 V DC Spring-type terminal for 60 mm busbar

systems (also fulfills type of coordination 1) Type of coordination 2, Iq

= 150 kA 1 NO+1 NC (contactor)

Product brand name SIRIUS

Product designation Direct (on-line) starter

Design of the product for 60 mm busbars

Product type designation 3RA21

Manufacturer's article number

● of the supplied contactor

3RT2024-2BB40

● of the supplied circuit-breakers

3RV2021-1KA20

● of the supplied busbar adapter

8US1251-5NT11

● of the supplied link module

3RA2921-2AA00

General technical data

Size of the circuit-breaker S0

Size of load feeder S0

Insulation voltage

● with degree of pollution 3 rated value

690V

Surge voltage resistance rated value 6kV

Protection class IP

● on the front

IP20

● of the terminal

IP20

Shock resistance

3RA2120-1KH24-0BB4 Subject to change without notice

Page 1/

Summary of content (7 pages)

PAGE 1
Data sheet 3RA2120-1KH24-0BB4 Load feeder fuseless, Direct-on-line starting 400 V AC, Size S0 9.00...12.
PAGE 2
● acc. to IEC 60068-2-27 6g / 11 ms Mechanical service life (switching cycles) ● of contactor typical 10 000 000 Type of assignment 2 Type of protection according to ATEX directive 2014/34/EU Ex II (2) GD Certificate of suitability according to ATEX directive 2014/34/EU DMT 02 ATEX F 001 Protection against electrical shock finger-safe Ambient conditions Temperature compensation -20 ... +60 °C Relative humidity during operation 10 ...
PAGE 3
● for three-phase AC motor — at 200/208 V rated value 3 hp — at 220/230 V rated value 3 hp — at 460/480 V rated value 7.5 hp — at 575/600 V rated value 10 hp Short-circuit protection Product function Short circuit protection Yes Design of the short-circuit trip magnetic Conditional short-circuit current (Iq) ● at 400 V acc.
PAGE 4
General Product Approval For use in hazardous locations Declaration of Conformity Miscellaneous Test Certificates Type Test Certificates/Test Report Marine / Shipping Special Test Certificate Marine / Shipping other Confirmation Railway Vibration and Shock Further information Information- and Downloadcenter (Catalogs, Brochures,…) www.siemens.com/sirius/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.
PAGE 5
165 154.
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3. 3RA2120-1KH24-0BB4 Page 6/7 4. 5. 6.
PAGE 7
21 NC 13 NO 5/L3 3/L2 1/L1 A1+ -Q F -Q1 I> I> I> last modified: 3RA2120-1KH24-0BB4 Page 7/7 22 NC 14 NO 6/T3 4/T2 2/T1 A2- -Q11 09/04/2019 09/11/2019 Subject to change without notice © Copyright Siemens