Coordinated Lightning Surge Protection Technology
Lightning Surges are brief but powerful over-voltages and over-currents often accompanied by electromagnetic & radio frequency interference (EMI/RFI) lasting up to a few hundred microseconds, reaching in excess of 100,000 volts. Surge sources vary. Besides external sources such as lightning, power system faults and utility grid switching to internal sources which are generated by load switching also generate destructive surges. A coordinated lightning surge protection plan comprised of a layered defense is the best approach in eliminating the destructive effects of both external and internal surges.
IEEE std 1100 states: In addition to surge protective devices installed in the service entrance equipment, it is recommended that additional surge protection devices of listed Category “B” or Category “A”, as specified by IEEE std. C62.41-2002, be applied to downstream electrical switchboards and panel-boards on secondary or separately derived systems if they support communication, information technology equipment, signaling, television or other forms of electronic load equipment.
IEC std 62305 states for Protection to reduce the failure of internal systems: The protection against lightning electromagnetic pulses (LEMP) to reduce the risk of failure of internal systems shall limit:
» over-voltages due to lightning flashes to the structure resulting from resistive and inductive coupling
» over-voltages due to lightning flashes near the structure resulting from inductive coupling
» over-voltages transmitted by lines connected to the structure due to flashes to or near the lines
» magnetic field directly coupling with internal systems
Effective protection against over-voltages, which can cause failures within internal systems, may be achieved by means of a “coordinated surge protection.” Coordinated sure protection can limit over-voltages below the rated impulse voltage of the system its meant to protect.
SineUp Surge Protection devices feature:
- Hybrid circuit with L-G mode protection
- Thermal encapsulation for fail safe guarantee
- Internal fusing with 200kA SCCR
- Up to 5 year free replacement warranty
- Voltage Response Circuit for Type 1 Devices
- Frequency Response Circuit for Type 2 Devices with EMI/RFI filters
- DRC and NEMA 4X
SineUp Coordination Series:
- Service Entrance SPD: Power Line SPD with Voltage Response Circuit installed at the point of entry of main service. These are application at Category C (IEEE), Type I (UL), Class I (IEC), Class B (VDE).
- VFD Panel SPD: Power Line SPD with Frequency Response Circuit installed at the VFD panel. These are for application at Category C (IEEE), Type II (UL), Class II (IEC), Class C (VDE).
- Branch Panel SPD: Power Line SPD with Frequency Response Circuit installed at the Branch Panel. These are for application at Category C (IEEE), Type II (UL), Class II (IEC), Class C (VDE).
- Point of Use SPD
» SPD for Protection of Power Supply Equipment: Inline AC/DC circuits
» Surge Protection Devices for POE circuits
» SPD for Protection of 4-20mA signal loop pair and MODBUS signal + power lines.