Transtector Data & Signal Surge Protectors
Communication or signal lines that enter or exit a building are at the highest risk of power surge transients being induced onto the interconnecting signal lines. Surge protection devices should be installed at the point-of-entry or at the equipment termination itself. They must be designed to clamp the excess transient voltage to safe levels sustainable by the equipment while at the same time, not interfere with the normal signaling voltages.
Transtector ALPU PoE Series with SASD technology is a compact RJ-45 surge protector for point-to-point and point-to-multi-point applications. ALPU Fit & Lite with gas tube and hybrid SASD technology provides reliable surge protection for small cell networks, 3G and 4G applications. Thunderbolt Series with high power gas discharge tube (GDT) and TVSS protection, in a single device, provides bulkhead protection for Ethernet/PoE lines. DPR Series provides line and load bidirectional protection for GbE, PoE and Ethernet. CPX provides line and load bidirectional protection, carrier-grade surge protection and rack-mount multi-protocol protection. TSJ-USB Series with SASD technology provides protection for PC, WiFi and Security applications. MDPS Series provides surge protection up to GbE and PoE++ protocols for NEMA 4X outdoor enclosure applications.
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Surge Protection Basics
What causes power surges?
Lightning strikes are one of the most common causes of power surges and can affect an electrical system even if the strike occurs miles from the electrical source. Conductors buried underground can still transmit the energy of the strike to electrical equipment located indoors. Lightning rods and other grounding equipment can help, but do not completely eliminate the risk.
Switching equipment such as motors, transformers and other equipment can cause a sudden change in load, power loss and disconnection of circuit breakers. This sudden switching can cause overvoltage, leading to power surges. The closer the switching occurs to the electrical system, the more threat it will pose to the equipment.
Operations that a user performs can cause surges, but typically have a very short duration. Examples include: starting a motor, opening circuit breakers and welding equipment.
What is the best way to stop power surges?
By using transient surge suppressors, the problems associated with most transient surges can be eliminated. They provide protection by either blocking or shorting the voltage over its operating limit to ground, protecting circuits downstream of the suppressor. The best way to approach this is in tiers.
Tier 1 – The protection is closest to the incoming power source. This is the main protection for a particular location.
Tier 2 – This is in an area that will be protecting multiple devices that have branch protection. An electrical control panel would be an example of this type of application.
Tier 3 – Individual protection. In the case of an industrial control panel, this would be protection for each instrument entering the panel.