“There are no reviews yet — be the first to share your experience.”Your company · September 5, 2026

Photos of the actual unit are provided before shipment on request.
Circuit Breaker 3WN6661-0KB05-0AA1
MLFB / Order No.: 3WN6661-0KB05-0AA1Product Description
NON-WITHDRAWABLE CIRCUIT BREAKER 3-POLE, SIZE II IN=2500A TO 690V, AC50/60HZ ICU=80KA AT 500V WITH READY-TO-CLOSE SIGNALLING SWITCH WITH MECHANICAL RECLOSING LOCK-OUT WITH TRIPPED SIGNALLING SWITCH WITH TRIPPED INDICATORS CONNECTION TOP HORIZONTAL BOTTOM HORIZONTAL, SINGLE HOLE OVERCURRENT TRIP AZN VERSION B SETTING RANGE 1000-2500A SETTING RANGE 1000 TO 2500A WITH MANUAL OPERATING MECHANISM WITH STORAGE WITH MECHANICAL REQUEST WITHOUT 1ST SHUNT TRIP WITHOUT 2ND SHUNT TRIP POSITION DEPENDENT AUXILIARY CURRENT SWITCH 2NO+2NC
- ManufacturerSiemens
- Product NameCircuit Breaker 3WN6661-0KB05-0AA1
- Order Number3WN6661-0KB05-0AA1
- Product DescriptionCircuit Protection for industrial automation applications.
- Voltage690V
- CurrentIN=2500A
- Frequency60 Hz
- CategoryLow-Voltage Controls and Distribution > Circuit Breakers
- Product TypeCircuit Breaker
- Poles3
- Contacts2NO + 2NC
- HS Code (8-digit, Preliminary)85362000
- OriginGermany
- Warranty12 months
Related
Often Ordered Together
Pressure Transmitter 7MF0300-1TD01-5AF2-Z A00+C11+C14+D20+E01+Y01+Y15+Y21
View DetailsCUSTOMER FEEDBACK
Trusted by industrial purchasing teams.
Verified sourcing support, clear communication and export-ready delivery for Circuit Breaker 3WN6661-0KB05-0AA1.
SHARE YOUR EXPERIENCE
Purchased this product from us?
Your feedback helps other industrial buyers. Reviews are checked before publication.