Description Product Reviews 120VAC 20A Parallel Protector UL1449 Listed w/Lockout Kit 120VAC Surge Protective Device with Lockout Kit The DTK-120HWLOK Surge Protective Device (SPD) with NFPA 72 2013 10.6.5.2 compatible lockout kit protects 120VAC equipment panels and dedicated branch circuits while preventing accidental alarm disconnect. Approved for 20A circuit breakers SCCR rating of 10kA complies with NEC Article 285.6 NEMA 4X weatherproof enclosure allows for use in harsh environments Lockout kit prevents accidental disconnect of fire alarm system UL1449 Listed Type 1 SPD Diagnostic LED 0 Reviews Hide Reviews Product Reviews