Miniature Circuit Breakers
Select poles, B/C/D tripping curve and current, then add auxiliary contacts, busbars and matching connections on this page.

Product specification
5SY4202-6
SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 2 A, 10 kA, 400 V AC.
Dimensions & specifications
All listed models are 5SY4, 10 kA. Four-pole models are 4P, not 3P+N.
Accessories & related parts
Part numbers & documents
- 5SY4202-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 2 A, 10 kA, 400 V AC.
- 5SY4204-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 4 A, 10 kA, 400 V AC.
- 5SY4206-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 6 A, 10 kA, 400 V AC.
- 5SY4210-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 10 A, 10 kA, 400 V AC.
- 5SY4216-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 16 A, 10 kA, 400 V AC.
- 5SY4220-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 20 A, 10 kA, 400 V AC.
- 5SY4225-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 25 A, 10 kA, 400 V AC.
- 5SY4232-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 32 A, 10 kA, 400 V AC.
- 5SY4240-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 40 A, 10 kA, 400 V AC.
- 5SY4250-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 50 A, 10 kA, 400 V AC.
- 5SY4263-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 63 A, 10 kA, 400 V AC.
- 5SY4202-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 2 A, 10 kA, 400 V AC.
- 5SY4204-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 4 A, 10 kA, 400 V AC.
- 5SY4206-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 6 A, 10 kA, 400 V AC.
- 5SY4210-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 10 A, 10 kA, 400 V AC.
- 5SY4216-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 16 A, 10 kA, 400 V AC.
- 5SY4220-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 20 A, 10 kA, 400 V AC.
- 5SY4225-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 25 A, 10 kA, 400 V AC.
- 5SY4232-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 32 A, 10 kA, 400 V AC.
- 5SY4240-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 40 A, 10 kA, 400 V AC.
- 5SY4250-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 50 A, 10 kA, 400 V AC.
- 5SY4263-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 63 A, 10 kA, 400 V AC.
- 5SY4202-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 2 A, 10 kA, 400 V AC.
- 5SY4203-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 3 A, 10 kA, 400 V AC.
- 5SY4204-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 4 A, 10 kA, 400 V AC.
- 5SY4206-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 6 A, 10 kA, 400 V AC.
- 5SY4208-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 8 A, 10 kA, 400 V AC.
- 5SY4210-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 10 A, 10 kA, 400 V AC.
- 5SY4213-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 13 A, 10 kA, 400 V AC.
- 5SY4216-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 16 A, 10 kA, 400 V AC.
- 5SY4220-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 20 A, 10 kA, 400 V AC.
- 5SY4225-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 25 A, 10 kA, 400 V AC.
- 5SY4232-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 32 A, 10 kA, 400 V AC.
- 5SY4240-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 40 A, 10 kA, 400 V AC.
- 5SY4250-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 50 A, 10 kA, 400 V AC.
- 5SY4263-8 SENTRON 5SY4 miniature circuit breaker, 2 pole, D-curve, 63 A, 10 kA, 400 V AC.
- 5SY4203-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 3 A, 10 kA, 400 V AC.
- 5SY4208-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 8 A, 10 kA, 400 V AC.
- 5SY4213-6 SENTRON 5SY4 miniature circuit breaker, 2 pole, B-curve, 13 A, 10 kA, 400 V AC.
- 5SY4203-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 3 A, 10 kA, 400 V AC.
- 5SY4208-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 8 A, 10 kA, 400 V AC.
- 5SY4213-7 SENTRON 5SY4 miniature circuit breaker, 2 pole, C-curve, 13 A, 10 kA, 400 V AC.
