由其分销商提供的 Pepperl & Fuchs Z961.H 的描述。
ZENER BARRIER, 2 CHANNEL, AC VERSION, 6.5V @ 10UA, SERIES RESISTANCE MAX 380OHMS
BARRIER, ZENER, Z-SYSTEM, SAFESNAP, 2-CHANNEL, AC VERSION, DIN RAIL, 071995
P & F SAFESNAP ZENER BARRIER-DUAL CHANNEL, AC
P+F 9V, 360 OHM, DUAL CHANNEL, AC