The Siemens 5 SX21 /C2 is a 1-pole miniature circuit breaker (MCB) with a C-curve trip characteristic, rated at 2 A and 400 V supply voltage.
Compliance & Certification
Certified to IEC 60898 and EN 60898, the standards governing miniature circuit breakers for overcurrent protection in residential and commercial installations.
Integration & Fit
The 90 x 18 x 62 mm footprint (1-pole width) matches the Siemens 5SX2 series panel layout — drops into existing distribution boards without re-spacing. Rated insulation voltage of 440 V covers 230/400 V systems.