Ditek DTK-120HWLOK 120VAC 20A Parallel Protector UL1449 Listed w/Lockout Kit
The DTK-120HWLOK is a compact, parallel-connected Type 1 surge protective device for 120 VAC single-phase equipment panels and dedicated branch circuits, typically the circuit feeding a fire alarm control panel. It ships with a circuit breaker lockout kit compatible with NFPA 72 section 10.6.5.4, which helps prevent the fire alarm circuit from being switched off by accident. A diagnostic LED shows system power and SPD function.
Key Features
- UL 1449 Listed Type 1 SPD for 120 VAC single-phase circuits
- 50,000 A surge current rating
- Included circuit breaker lockout kit (NFPA 72 10.6.5.4 compatible)
- Approved for 20 A circuit breakers
- Diagnostic LED indicates system power and SPD function
- NEMA Type 4X polycarbonate enclosure
- 3/4 in. NPT male hub with 18 in. 12 AWG wire leads
- Optional flush mount kit DTK-FMK
Specifications
| Service voltage |
120 VAC single phase |
| Surge current rating |
50,000 A |
| Nominal discharge current (In) |
10 kA |
| Short circuit current rating (SCCR) |
100,000 A |
| MCOV |
150 V / 300 V |
| Voltage protection rating (VPR) |
700 V L-N, 700 V L-G, 1500 V N-G |
| Operating temperature |
-31 to 176 F (-35 to 80 C) |
| Dimensions |
3.47 x 2.08 x 1.89 in. (88 x 53 x 48 mm) |
| Weight |
8.8 oz (249 g) |
| Certification |
UL 1449 5th Edition |
Compatible With
- Fire alarm control panels
- 120 VAC equipment panels on dedicated 20 A branch circuits
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