DITEK DTK-120HWLOK 120VAC Surge Protective Device with Lockout Kit

Keep fire alarm panels and other critical monitoring or security devices online with the DITEK DTK-120HWLOK 120VAC surge protective device. Specifically designed for life-safety and surveillance applications, this compact surge protection module protects dedicated branch circuits and datacommunication lines from damaging transients so your systems remain reliable and compliant. The DTK-120HWLOK installs in tight electrical spaces and features a weatherproof enclosure, making it suitable for indoor or sheltered outdoor equipment cabinets. It is approved for 20A circuit breakers, includes an NFPA 72 (2013) compatible lockout kit to prevent accidental disconnects of fire systems, and offers diagnostic LEDs for fast, on-site verification of ground, power and SPD health. Built to industry standards and backed by a 10-year limited warranty, this DITEK surge suppressor supports uninterrupted operation for security, surveillance, monitoring and life-safety networks. Ideal for electricians, integrators and facility managers—install the DTK-120HWLOK to harden your fire alarm and monitoring circuits or contact sales for volume and integration guidance.

• Protects critical fire alarm, security and monitoring circuits from transient surges, reducing downtime and replacement costs
• NFPA 72–compatible lockout kit prevents accidental disconnects for code-compliant life-safety installations
• Compact, weatherproof enclosure and small footprint fit tight electrical panels and outdoor cabinets with ease
• Diagnostic LEDs provide quick verification of ground, power and SPD status to simplify maintenance
• Rated for 120VAC and approved for 20A branch circuits, delivering reliable protection for dedicated equipment loads
• Backed by a 10-year limited warranty and built to RoHS/TAA/NDAA standards for government and enterprise deployments