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Fixed-mounted circuit breaker 3-pole, Size 1 In=1000 A up to 690 V, 50/60 Hz AC Icu=65 kA at 500 V
with ready to close signaling switch with mechanical lockout device with tripped signaling switch
with tripped indicators Connection top front bottom front, double hole Overcurrent release AZN
Version B Setting range 400...1000 A Motorized/manual operating mechanism with memory with
electrical and mechanical activation Motor and electr. calling for 220...240 V AC, 220...250 V DC
without 1st auxiliary release With 2nd auxiliary release Shunt release "F", F2 220...240 V AC,
220...250 V DC Switch position-depending auxiliary current switches 2 NC+2 NO
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Reviews
- D
Don Hummer
Mar 04, 2025
Siemens Circuit Breaker 3WN6221-0FB58-0AK1Superb shipping speed and the product is fantastic.HelpfulUnhelpful - J
Jose Valdez
Oct 08, 2024
Siemens Circuit Breaker 3WN6221-0FB58-0AK1Delivery was fast and hassle-free, great job.HelpfulUnhelpful - V
Vincent Heinyu
Sep 22, 2024
Siemens Circuit Breaker 3WN6221-0FB58-0AK1Placing the order was a snap, and it arrived quickly.HelpfulUnhelpful - M
Michael Hill
Apr 27, 2024
Siemens Circuit Breaker 3WN6221-0FB58-0AK1El caballero que me atendió por teléfono fue muy servicial, competente y agradable. Pedí la pieza que estaba buscando.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Siemens Circuit Breaker 3WN6221-0FB58-0AK1All was ok! No problems whatsoever.HelpfulUnhelpful
Siemens Circuit Breaker 3WN6221-0FB58-0AK1
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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