The Siemens 5SJ6340-7RC is a 3-pole miniature circuit breaker from the Retail line, rated at 40 A with a C characteristic and a 6 kA breaking capacity. The C-curve trip (5–10× In) handles motor-start inrush and transformer energisation without nuisance trips, while still clearing short circuits within the 6 kA interrupt rating.
Siemens 5SJ6340-7RC MCB 3p 6kA 40A C Characteristic
MPN5SJ6340-7RC
Siemens Retail line MCB, 3-pole, 6 kA breaking capacity, 40 A rated current, C characteristic, order code 5SJ6340-7RC.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
Frequently asked questions
What is the 5SJ6340-7RC rated for?
It is a 3-pole miniature circuit breaker rated at 40 A with a C characteristic and a 6 kA breaking capacity, suitable for protecting branch circuits against overloads and short circuits.
Where can I buy the 5SJ6340-7RC and get a price?
This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an inquiry for a firm quote.
MPN
5SJ6340-7RC