Uc 8VDC BNC CCTV Surge Protection Device Voltage protection level
<120V
OBVT-BNC
Coaxial BNC Video Surge Protectors are designed to guard computer
network system that includes the monitoring system of security
system, coaxial signal transmission and close -circuit TV,
satellite communication system.
OBVT is the series of devices for discharging transient
overvoltages induced in coaxial lines. In accordance with IEC
61643-21. Coaxial format.
Suitable for the protection of radiofrequency transmission and
reception equipment. By their nature, they are highly exposed to
induced transient overvoltages (surges) associated with
meteorological activity.
For BNC, F, N, TNC connectors.
Ideal for the protection of transmission and reception systems such
as TV and radio antennas, closed circuit TV (CCTV), alarms, etc.
Technical Parameters
| OBVT-BNC | OBVT-N | OBVT-F |
| Nominal Operating Voltage (Un) | DC5V |
| Maximum Continuous Operating Voltage (Uc) | DC8V |
| Nominal Discharge Current In (8/20µs)kA | 10kA |
| Maximum discharge current Imax (8/20µs)kA | 20kA |
| Voltage protection level (Up) | <120V |
| Interface | BNC | N | F |
| Bandwidth (MHz) | 10-40 |
| Response time tA | <10ns |
Feature&Benefits
-Easy installation
-Fail-safe /self-protected design
-Very fast response
-Hybrid GDT and Diode
-TechnologyLong distance transmission
-Good transmission effect
-Strong anti-interference
-complies lEC 61643-21 standard
Application
●AC/DC distribution
●Power supplies
●Industrial automation
●Telecommunications
●Motor controls systems
●PLC applications
●Power transfer equipment
●HVAC applications
● AC drives
●UPS systems
●Security systems
●IT/Data centers
Note: The system lightning protection does not guarantee that the
equipment will not be 100% damaged by lightning; the power system
must be multi-level lightning protection;
The complete lightning protection system includes external
lightning protection and internal lightning protection. External
lightning protection refers to: lightning receptors, down
conductors, and grounding bodies, which are mainly used to defend
against direct lightning strikes. Internal lightning protection
includes: shielding, reasonable wiring, safe distance,
equipotential connection, overvoltage protection, etc., mainly used
to prevent lightning induction, ground potential counterattack,
lightning wave intrusion, etc.
Tip: Lightning protection is probabilistic protection, and we
cannot provide 100% protection.
First, lightning discharge itself has a certain degree of
randomness, and lightning parameters have certain statistical
properties, which determines that all protective measures based on
these statistical characteristics of lightning parameters cannot
provide 100% protection. Such as: direct lightning
protection-shielding characteristics; lightning current amplitude,
waveform, etc. have statistical properties;
Second, the lightning protection equipment cannot prevent the
formation of lightning flashes;
Third, lightning protection devices cannot ideally eliminate all
interference voltages/currents. The fundamental purpose of taking
protective measures is to ensure that most of the energy caused by
interference does not spread to the vulnerable parts of the device
and the staff.
Finally, the cost of protection against high-level surges with a
small probability of occurrence has risen sharply.
Others
Technology SPD parameter(Note:According to user requirement ,can be
customized Uc=140V,440V,550V,voltage range of range of the SPD):
| Type No. | Rated Voltage(V) Un | Continuous Voltage Uc(V~) | Standard Discharge Current In(KA) | Max Discharge Current
Imax(KA) | Protection Level(KA~) | Response Time(ns) |
| DGM1(2)-D5 | 220/380 | 275/320
385/420 | 5 | 10 | 1.2 | ≤25 |
| DGM1(2)-D10 | 10 | 2 | 1.6 |
| DGM1(2)-C20 | 20 | 40 | 1.8 |
| DGM13-B30 | 30 | 60 | .2.2 |
| DGM3(4)-B40 | 10 | 80 | 2.4 |
| DGM(4)-B60 | 60 | 100 | 2.8 |
| DGM-N-PE | 220/255 | 40/60 | 60/80 | 1.2 | ≤100 |
The main parameters of the lightning arrester
(1) Nominal voltage Un: The additional voltage of the maintained
system is consistent with it. In the information technology system,
this parameter indicates the type of maintainer that should be
selected, and it indicates the effective value of the communication
or DC voltage.
(2 Maximum continuous voltage Uc: The maximum effective voltage
value that can be permanently applied to the designated end of the
lightning protector without causing changes in the characteristics
of the lightning protector.
(3) Nominal discharge current In: The lightning protection device
is not damaged by applying a standard lightning wave with a
waveform of 8/20μs to the lightning protection device for 10 times.
(4) Maximum discharge current Imax: The peak value of the maximum
impulse current that the lightning protector can withstand when a
standard lightning wave with a waveform of 8/20μs is applied to the
lightning protector for one impact.
(5) Voltage protection level Up: The voltage protection level of
the lightning arrester in the case of In.
When selecting the type, the Uc of the lightning arrester must meet
the system voltage, the flow rate must meet the use requirements,
and the protection level must be lower than the equipment withstand
voltage.
What skills should lightning protectors have in the selection?
1.Confirm power supply system
First of all, you must determine what your power distribution
system is like, whether it is TT, TN or IT system. After
determining the power distribution system, you can choose the
protection mode and wiring method of the lightning arrester to
select the appropriate lightning arrester.
For example, TN-C uses 3P lightning protection device, TN-S uses
4P, TT uses 3P+N, etc.
2.Know the main parameters of the lightning arrester.
FAQ
Q: Can I get some samples?
A: Yes, Sample orders welcomed.
Q: Can I use my own Logo or design on goods?
A: Yes, Customized logo and design on mass production are
available.
Q:What is the delivery time?
A: 3 days for samples, 7-15 days for mass production.
Q: What is the payment term?
A: T/T, L/C at sight, West union , Paypal, etc.
