Power supply in CCTV systems

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The most commonly cable used for video transmission is RG59, which is usually equipped with two power wires. The cable family has several versions, e.g. YAR 75 M5995 with the power wires of 0.5 mm2 and YAP 75 M6100 with 1.0 mm2 (for indoor applications) and XAP 75 M6103 (for outdoor applications). The cables are CE market and their coaxial parts ensure 90% braid coverage.
Power supply from 230 VAC power line





















Compact Outdoor Camera: n-cam 610 (600 TVL, Sony Super HAD II CCD, 0.01 lx, 2.8-12mm, IR up to 40m, OSD) Power Supply Distributor LZ-8/POLSMPS AC/DC Adapter ZI-5000 12V/5A (for CCTV cameras)Stabilized Power Supply: ZSIT-62-8 (SMPS, 230VAC/12-14VDC, 8x0.65A)Outdoor Compact Camera: n-cam 670 (day/night, D-WDR, 650TVL, Sony Effio-E, 0.03 lx, 2.8-12mm, OSD, IR up to 30m) CCTV Network DVR: HIKVISION DS-7216HVI-SV (16ch-WD1-HDMI)
Centralized power supply for a large system, with two power supply devices.
All power circuits are protected against overloading, short circuit and overvoltage.
The M18281 power supply allows for adjustment of output voltage (12-14 VDC),
which is very important in the case of distant cameras connected via long cables.

Buffer Power Supply: HPSB 11A12C (9.5-13.8VDC, 11A)Rechargeable Battery MWS 18-12 (12V, 18Ah)CCTV Network DVR: HIKVISION DS-7216HVI-SV (16ch-WD1-HDMI)
Application of buffer power supply with rechargeable battery

Switch Mode Power Supply:  DR120-12 (12-14VDC/10A)Compact Outdoor Camera: n-cam 710 (600 TVL, Sony Super HAD II CCD, 0.01 lx, 2.8-12mm, IR up to 30m, OSD) CCTV Network DVR: HIKVISION DS-7216HVI-SV (16ch-WD1-HDMI)
Application of switch-mode power supply mountable on DIN rail


Power Supply ZK-40/16 (40V/2A) - with 230VAC/29VAC transformer
Stabilizer SK-40 - with 40V input and 12V output - for CCTV cameras