DITEK DTK-120/240HW 120/240VAC Split Phase Surge Protective Device

Protect mission-critical security, surveillance and monitoring systems with the DITEK DTK-120/240HW surge protection module. Designed for dedicated branch circuits and fire alarm panels, this compact DTK HW series SPD delivers proven transient suppression for 120/240VAC split-phase services while minimizing downtime and equipment replacement costs. The NEMA 4X weatherproof enclosure makes it suitable for indoor and outdoor installations protecting cameras, access control, network devices and life-safety equipment. A visible diagnostic LED provides immediate confirmation of ground and SPD status, simplifying field service and reducing mean time to repair. UL1449 Type 1 listing, RoHS compliance and a 10-year limited warranty ensure the DTK-120/240HW meets strict regulatory and performance expectations for security and monitoring deployments. TAA and NDAA compliance add procurement flexibility for government and enterprise projects. Specify the DTK-120/240HW surge suppressor to harden your surveillance, monitoring, alarm and networking infrastructure—order now to secure your installation.

• Defends critical security, surveillance and fire alarm systems from damaging transients to reduce downtime and costly equipment replacement
• Weatherproof NEMA 4X enclosure allows reliable outdoor or indoor installation for monitoring and perimeter protection
• Compact split-phase design (120/240VAC) mounts on branch circuits to protect dedicated loads without impacting panel layout
• Diagnostic LED clearly shows ground system status and SPD health for faster maintenance and troubleshooting
• UL1449 Type 1 listing and 10-year limited warranty provide long-term reliability and trust for mission-critical installations