Outdoor column barrel type permanent magnetic controller line relay Protector OEM/ODM
NKR-08 outdoor on-column barrel type permanent magnet switch controller is suitable for non-direct grounding system of voltage level below 35KV/38KV/40.5KV or protection unit of transmission and distribution medium voltage overhead line network in small resistance grounding system, which integrates protection, measurement and operation Control in one.
The controller and the permanent magnet switch body are electrically connected through a control cable and an aeronautical connector to realize protection and automatic monitoring functions. This product is widely used in a variety of outdoor permanent magnet circuit breakers. The shape is shown in Figure 1.
1.2 Use of environmental conditions
a) Altitude: ≤ 2000 meters
b) Ambient temperature: outdoor -25 ° C ~ +70 ° C
The highest annual average temperature is 20 ° C. The highest daily average temperature is 30 ° C
c) Seismic resistance: ground level acceleration of 0.3g. Vertical acceleration of 0.15g while acting for three sine waves
Safety factor 1.67
d) Maximum daily temperature difference: 25°C
e) Sunshine intensity: 0.1W/cm 2 (when the wind speed is 0.5m/s)
f) Maximum wind speed: ≤25m/s
g) Maximum ice thickness: 10mm
h) Operating environment: outdoor, no flammable, explosive hazard, chemical corrosion and severe vibration
3. Function and characteristics
3.1 Controller protection function
Quick-break protection
◇ Over-current protection Zero-sequence protection
◇ Real-time status inquiry LCD panel operation control (optional) Real-time clock
◇ Event record
◇ Pre-chargeable meter (optional) ◇ Local remote control ◇ SMS/GPRS/CDMA measurement and control (optional)
◇ Can be divided once after power off
◇ UPS uninterruptible power supply
◇ reclosing function
3.2 Features of the controller
◇ It can carry 485/232 communication interface, or realize long-distance monitoring through optical fiber and wireless;
Remote control closing and acceleration tripping ◇ Remote control opening and closing adopts anti-misoperation design;
◇ The components used are high-low temperature resistant military grade devices with reliable product quality;
◇ Use software to adjust the accuracy of the AC and measure accurately.
The device has a complete self-test function, which can accurately locate the chip fault.
3.3 Structural features
a) The controller structure has the characteristics of strong weather resistance and anti-condensation;
b) The aeronautical connector is connected to the switch body for good connection reliability and high protection level.
ELECTRIC
