Description and specifications – ZZSP20LHVSCZP
Why an SPD on LED lighting
LED drivers are electronic power supplies, and electronics are sensitive to voltage spikes. A single nearby lightning strike, a utility switching event or the inrush of a large motor can send a transient down the line that damages or shortens the life of a driver. An LED surge protection device installed ahead of the driver absorbs that energy before it reaches the electronics. The ZZSP20LHVSCZP from SPECLITE is sized for lighting circuits from 120V up to 347V, which covers most residential, commercial and industrial lighting in Canada.
Series connection: protection you can see
This model is wired in series: the line goes in, through the protector and out to the driver. The advantage is clear when the protective element has absorbed its last surge. Instead of leaving the driver unprotected without anyone noticing, the series design disconnects the fixture. A green indicator light stays on while protection is active and goes off when the module must be replaced. A dark fixture with a dark indicator tells the technician exactly what to change, which speeds up troubleshooting on large sites.
Wiring and installation
The protector has five leads: line in (Li), line out (Lo), neutral in (Ni), neutral out (No) and ground (G). The leads are 16AWG, rated 105°C and 600V, and they come with lever quick connectors for clean, tool-free terminations inside the fixture or the junction box. The IP67 enclosure allows installation in dry, damp and wet locations, including inside outdoor luminaires and pole bases. Always make sure the ground lead is connected to a proper equipment ground, since the surge energy is diverted there.
Typical applications
Parking lot pole lights, wall packs on loading docks, flood lights on signage, high bays in warehouses, canopy lights at gas stations and street lighting all benefit from an SPD, especially at the end of long feeders or in areas exposed to storms. Facility managers often add one during relamping or retrofit projects to protect new drivers from day one.
Technical specifications
Model: ZZSP20LHVSCZP (ZP-LSP20-PMS)
Connection: series
Rating: 120-347VAC, 50/60Hz
In: 10kA
Imax: 20kA
Uoc: 20kV
MCOV: 385VAC
Enclosure: IP67, dry, damp and wet locations
Wiring: 5 leads (Li, Lo, Ni, No, G), 16AWG 105°C 600V, lever quick connectors
Indicator: green, on while protection is active
Certification: cULus
