Comparison : Item # SHT3111UA, 110 to 415 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT)
Item # SHT3111UB, 48 to 60 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT)
Item # SHT3111UC, 12 to 24 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT)
Item # SHT31UA, 110 to 415 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT)
Item # SHT31UB, 48 to 60 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT)