The Siemens 5SJ3163-6RC is a 1-pole miniature circuit breaker from the Retail line, rated 63 A with a B tripping characteristic and a 4.5 kA breaking capacity. The 4.5 kA breaking capacity at 230/400 V AC covers standard domestic and light commercial distribution boards; for higher fault levels upstream, a current-limiting upstream device is needed.
Siemens 5SJ3163-6RC MCB, 1p 4.5kA 63A B Curve
MPN5SJ3163-6RC
Siemens Retail line MCB, 1-pole, 4.5 kA breaking capacity, 63 A, B characteristic, order code 5SJ3163-6RC.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
Frequently asked questions
What is the 5SJ3163-6RC used for?
The 5SJ3163-6RC is a 1-pole miniature circuit breaker with a 63 A B characteristic and 4.5 kA breaking capacity, used for overcurrent and short-circuit protection in lighting, small transformer, and general-purpose circuits in distribution boards.
Where can I buy the 5SJ3163-6RC?
The 5SJ3163-6RC is sourced to order against an RFQ through independent distribution. Submit a request for current pricing and availability.
MPN
5SJ3163-6RC