S21AS00-S01 is a waterproof micro switch with SPDT circuit code and IP67 waterproof protection level. The rating is 0.1A 12~24VDC 250,000 cycles with UL, ENEC, CQC certification. Meanwhile, with more than 45 years of experience in production, the quality of the S21 series is very reliable.
Secondly, the advantage of this switch is long-life which can reach 250000cycles with a rating and the mechanical cycle is 5000000 min. Moreover, this model is in an IP67 waterproof protection level so that it can use in a wet environment.