HW Series Provides Compact, Flexible AC Power Protection
DITEK's HW Series delivers compact, parallel mount surge protection for electrical panels and dedicated branch circuit loads. Available models include 120VAC and 240VAC styles, as well as a kit to prevent accidental alarm disconnects.FEATURED PRODUCT
HW Series : DTK-120HWLOK
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
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ADDITIONAL MODELS IN THIS SERIES:

DTK-120/240HW
120/240VAC Split Phase Surge Protective Device
DITEK's DTK-120/240HW offers compact, parallel mount surge protection for electrical panels and dedicated branch circuit loads.
- Diagnostic LED indicates ground system power and SPD function
- Approved for 20A circuit breakers
- NEMA 4X weatherproof enclosure
- UL1449 Listed SPD Type 1

DTK-120HW
120VAC Surge Protective Device. The DTK-120HW provides surge protection for 120VAC equipment panels and dedicated branch circuits. The compact, parallel-mount design allows for installation in a variety of locations.
- 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
- UL1449 Listed Type 1 SPD
- Diagnostic LED

DTK-240HW
Single Phase 240VAC Surge Protective Device
The DTK-240HW offers compact, parallel mount surge protection for dedicated 240VAC single phase branch circuit loads.
- Diagnostic LED indicates system power, ground presence and SPD function
- Small footprint enables installation in a variety of locations
- Approved for 20A circuit breakers
- UL1449 Listed SPD Type 1
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360° Product View
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360° Product View