POWER QUALITY INTERNATIONAL, INC. products may be applied in virtually any type of facility. The following categories and product types are given as a selection guide for common applications.

Low Voltage Transformers & Filters

Commercial & Industrial

Type EY, e-Rated® Distribution Transformer, Ultra-Efficient Distribution Transformer
Type DY, Distribution TransFilter™, Harmonic Mitigating Transformer for Medium K-Factor Loads
Type DV, Distribution TransFilter™, Harmonic Mitigating Transformer for High K-Factor Loads
Type DD, Drive TransFilter™, Harmonic Mitigating Transformer for Motor Drive Loads
Type MY, Distribution TransFilter™, Harmonic Mitigating Transformer for 240 Volt Motor Loads
Type Z, I₀Filter™, Zero-Sequence Harmonic Filter for High K-Factor Phase-Neutral Connected Loads
Type Z, Mini-Z™, Zero-Sequence Harmonic Filter for the Load-End of Branch Circuits

Schools & Universities
Type EY, e-Rated® Distribution Transformer, Ultra-Efficient Distribution Transformer
Type DY, Distribution TransFilter™, Harmonic Mitigating Transformer for Medium K-Factor Loads
Type DV, Distribution TransFilter™, Harmonic Mitigating Transformer for High K-Factor Loads
Type DD, Drive TransFilter™, Harmonic Mitigating Transformer for Motor Drive Loads
Type Z, I₀Filter™, Zero-Sequence Harmonic Filter for High K-Factor Phase-Neutral Connected Loads
Type Z, Mini-Z™, Zero-Sequence Harmonic Filter for the Load-End of Branch Circuits

Hotels / Casinos

Type GY, Distribution TransFilter™, Harmonic Mitigating Transformer for 240 Volt Gaming Machines
Type EY, e-Rated® Distribution Transformer, Ultra-Efficient Distribution Transformer
Type DY, Distribution TransFilter™, Harmonic Mitigating Transformer for Medium K-Factor Loads
Type DV, Distribution TransFilter™, Harmonic Mitigating Transformer for High K-Factor Loads
Type DD, Drive TransFilter™, Harmonic Mitigating Transformer for Motor Drive Loads
Type Z, I₀Filter™, Zero-Sequence Harmonic Filter for High K-Factor Phase-Neutral Connected Loads

Mission Critical Facilities

Type SY, Distribution TransFilter™, Harmonic Mitigating Transformer for 240 Volt Server Loads
Type SVY, Distribution TransFilter™, Harmonic Mitigating Transformer for 120/240 Volt Server Loads
Type EY, e-Rated® Distribution Transformer, Ultra-Efficient Distribution Transformer
Type DY, Distribution TransFilter™, Harmonic Mitigating Transformer for Medium K-Factor Loads
Type DV, Distribution TransFilter™, Harmonic Mitigating Transformer for High K-Factor Loads
Type RV, Distribution TransFilter™, Harmonic Mitigating Transformer for Remote Load Centers
Type DD, Drive TransFilter™, Harmonic Mitigating Transformer for Motor Drive Loads

Military Installations & Vessels

Type DV, Distribution TransFilter™, Harmonic Mitigating Transformer for High K-Factor Loads
Type Z, I₀Filter™, Zero-Sequence Harmonic Filter for High K-Factor Phase-Neutral Connected Loads

Medium Voltage Transformers

Commercial & Industrial

Type PE, e-Rated® Power Transformer, Ultra-Efficient Distribution Transformer
Type PY, Power TransFilter™, Harmonic Mitigating Transformer for Medium K-Factor Loads

Schools & Universities

Type PE, e-Rated® Power Transformer, Ultra-Efficient Distribution Transformer
Type PY, Power TransFilter™, Harmonic Mitigating Transformer for Medium K-Factor Loads

Hotels / Casinos

Type PE, e-Rated® Power Transformer, Ultra-Efficient Distribution Transformer
Type PV, Power TransFilter™, Harmonic Mitigating Transformer for High K-Factor Loads

Mission Critical Facilities

Type PE, e-Rated® Power Transformer, Ultra-Efficient Distribution Transformer
Type PY, Power TransFilter™, Harmonic Mitigating Transformer for Medium K-Factor Loads

Metering Systems

Type TM, Integrated Transformer Metering System for LEED® Rated Green Buildings