Surge Tracker™ AP Panel Protection

Surge Tracker™ ST1 - Whole House Residential Surge Protection
- NEMA 4X exterior rated enclosure
- Industry leading let-through voltage performance
- 50 kA per phase
- LED failure indicator
- Threaded NPT hub and locknut
- UL 1449 Safety Listing
- 5 Year Limited Warranty
- Available for split phase 120/240 V for US residential applications

Surge Tracker™ ST2 - Whole House Residential and Light Commercial Surge Protection
- NEMA 4X exterior rated enclosure
- Industry leading let-through voltage performance
- 50 kA per phase
- LED failure indicator
- Rigid, watertight metal hub
- UL 1449 Safety Listing
- 5 Year Limited Warranty
- Optional advanced electrical noise filter (UL 1283)
- Available for 120 V single phase, 120/240 V split phase and 120/208 WYE 3 phase voltage configurations

Surge Tracker™ ST3 Commercial / Industrial Grade Surge Protector for your facility's service entrance.
- NEMA 4X exterior rated enclosure
- Industry leading let-through voltage performance
- Available in either 50 kA or 100 kA peak surge current
- LED failure indicator
- Rigid, watertight metal hub
- UL 1449 safety rating
- Optional advanced electrical noise filter (UL 1283)
- Optional audible alarm and dry relay contacts
- 5 Year Limited Warranty
- Common Application: Service Entrances

Surge Tracker ST4 Commercial / Industrial grade surge protection for sub panels and locations downstream of your service entrance
- NEMA 4X exterior rated enclosure
- Industry leading let-through voltage performance
- Available in either 100 kA or 200 kA
- LED failure indicator for each phase
- Rigid, watertight metal hub
- UL 1449 safety listing
- Optional advanced electrical noise filter (UL 1283)
- Optional audible alarm and dry relay contacts
- Common Applications: Main Panels and Branch Panels
Both the ST3 and ST4 are available in the following voltage configurations:
- Single Phase 120 V
- Single Phase 220/277 V
- Split Phase 120/240 V
- Two Phase 120 V
- Two Phase 240 V
- Three Phase 480 V Delta
- Three Phase 600 V Delta
- Three Phase 120/308 V Wye
- Three Phase 277/480 V Wye
- Three Phase 347/600 V Wye
- Three Phase High Leg Delta