FAQ
Can CRESIN provide SPD for PoE security systems?
Yes. CRESIN can provide Ethernet and PoE surge protective devices for IP cameras, network switches, and security monitoring systems.
Where should CCTV SPD be installed?
SPD should be installed near outdoor cameras, at cable entry points, near network switches, and close to protected monitoring equipment when necessary. When choosing CCTV SPD, both power and signal lightning protection must be taken into consideration simultaneously.
Do analog CCTV systems need different SPD?
Yes. Analog CCTV systems may require video signal SPD, power SPD, or control line SPD depending on the wiring structure.
What type of SPD is used for IP cameras?
IP cameras usually require Ethernet SPD, especially when installed outdoors or connected through long network cables. If PoE is used, the SPD should support PoE transmission.
What devices in CCTV systems need surge protection?
IP cameras, analog cameras, network switches, NVRs, DVRs, power supplies, control systems, and outdoor monitoring equipment may require surge protection.
Why do CCTV and security systems need surge protection?
CCTV and security systems often use outdoor cameras, long network cables, power lines, and control lines. These cables can introduce lightning-induced surges into cameras, recorders, switches, and monitoring equipment.
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Address: No. 978 Tianchen Road, High-tech Zone, Jinan, Shandong,China
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The product range includes production technologies for smart capacitors, digital display meters, surge protectors, dedicated backup protection devices for surge protectors, self-resetting over/under-voltage protectors, control and protection switches, and automatic transfer switches for dual power supplies.
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