Key parameters of Surge Protective Devices (SPDs)
The Best Warranty – TPS offers the best warranty in the industry…30 years unlimited free replacement (including lightning) for all ServiceTrack (ST) and LowProfile (LP) SPDs (25 years for TransTrack2 (TT2) and TTLP) to insure an unprecedented 25 and 30 year life cycle savings. When you read the actual warranty statement you will find that […]
15% of the main causes of voltage surges originating outside the system are lightning strikes and grid switching at high-voltage (230kV, 115kV) and medium-voltage (35kV, 15kV, 7kV) substations. 85% of the main causes of voltage surges originating within the system are load switching, opening or closing electrical switches, motor noise, electromagnetic interference, and static electricity, […]
A surge protection device (SPD) is a protective device designed to limit transient voltage by diverting or restricting surge current and capable of repeating these functions as prescribed. SPDs were previously known as Transient Voltage Surge Suppressors (TVSS) or Secondary Surge Arrestors (SSA). Secondary Surge Arrestors is a legacy term (often used by utilities) and […]
