Surge Protection Devices
Southern Tier Technologies surge protection devices (SPD) prevent power disturbances from damaging sensitive, mission-critical equipment.
Power Factor Correction
“Real-time” power monitoring and microprocessor control technology to continuously evaluate your electrical system and engage the exact amount of power correction at the precise moment it’s needed. Its sub-cycle response, means the system is fast enough to respond to any load type, including those that are random and dynamic in nature.
Arc Flash
The Tier AF Series Arc Flash Relay System reduces arc flash incident energy and boundaries in both Medium-Voltage and Low-Voltage electrical systems.
Transformers
PQI offers the most comprehensive selection of ultra-efficient and harmonic mitigating transformers in the industry. This variety allows designers to match our products to the specific requirements of each application.