Connect in series with the CCTV cable in a convenient
place close to the equipment being protected. For outdoor CCTV cameras,
protectors should be mounted in the junction box, or in a separate enclosure,
close to the camera.
Protect central control and monitoring equipment inside
the building by installing protectors on all incoming or outgoing lines,
either: a) near where they enter or leave the building, or b) close
to the equipment being protected (or actually within its control panel).
Suitable accessories
When CCTV protectors are installed in groups, or alongside
protectors for signal and mains power lines, these can be simultaneously
mounted and earthed on a CME kit. A CME 4
will accommodate the video, telemetry and power protectors to a camera.
If protectors cannot be incorporated within an existing panel or enclosure,
WBX enclosures are available for up to 4,8
or 16 protectors and their associated CME kit. The WBX 4/GS is a secure
IP66 enclosure suitable for a CME 4 and associated protectors.
Electrical specification
ESP CCTV/B
ESP CCTV/T
Nominal voltage¹ (peak - peak)
1V
2V
Maximum working voltage³ (peak)
6.5V
6.5V
Current rating (signal)
300mA
300mA
In-line resistance (± 10%)
1ohm inserted in coax inner
1ohm per line
Bandwidth (-3dB 75ohm system)
>20MHz
>20MHz
Voltage standing wave ratio
<1.2
<1.2
1 Nominal working voltage (DC or AC peak) measured
at <1µA leakage.
2 Maximum working voltage (DC or AC peak) measured at 10mA leakage.
Transient specification
ESP CCTV/B
ESP CCTV/T
Let through voltage (all conductors)¹
5kV,10/700µs test to:
BS 6651:1999 Appendix C, Cat C-High
ITU (formerly CCITT) IX K17
17V
17V
Maximum working voltage³ (peak)
10kA
10kA
1 The maximum transient voltage let-through the protector
throughout the test (+/-10%), line to line & line to earth. Screen to
earth let-through voltage will be 600V, when protector is configured for
use with non-earthed or isolated screen systems. Response time <10ns.
2 Tested with 8/20µs waveshape to ITU (formely CCITT), BS 6651:1999
Appendix C.
