Siemens Circuit Breakers Circuit breaker 613522 - Siemens 3RV20214AA15, The Siemens 3RV2021-4AA15 circuit breaker offers an adjustment range of 10 to 16 amperes and a maximum switching voltage of 690 volts AC. Compact in size, its dimensions are 45 x 97 x 97 mm, making it suitable for space-constrained electrical enclosures. Typical applications include protecting electrical equipment and circuits in industrial and commercial settings. Siemens 3RV20214AA15 SIRIUS ACT Circuit Breaker 10-16A 690V phased-out