Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC
Surge protective devices DC

Surge protective devices DC

SPD lightning protection module (surge protector) is mainly suitable for 50Hz (or 60Hz) impact flow capacity is not greater than (60 kA) electrical circuit, limit transient overvoltage amplitude, absorption, elimination, consumption or discharge of surge current energy, make the protected electrical components from an overvoltage category to another low overvoltage category, suitable for household, and similar places electrical appliances in the line induction lightning overvoltage, operating overvoltage protection role.

  • Product Description
  • Specifications
  • Product Features
  • More Details

Product Description

1. Applicable principles

SPD lightning protection module (surge protector) is mainly suitable for 50Hz (or 60Hz) impact flow capacity is not greater than (60 kA) electrical circuit, limit transient overvoltage amplitude, absorption, elimination, consumption or discharge of surge current energy, make the protected electrical components from an overvoltage category to another low overvoltage category, suitable for household, and similar places electrical appliances in the line induction lightning overvoltage, operating overvoltage protection role.

2. Normal working conditions and installation conditions
① Ambient temperature is-40℃ - + 70℃.
② The elevation shall not exceed 2000m.
③ Relative humidity is not greater than 90% (25℃).
④ Installation mode is matched with the TH35mm wide guide rail.
⑤ Applicable ground pump flow "IT" " TT.TS,TN-N-S”。

⑥The inclination of with the vertical plane does not exceed 5.
⑦ No impact vibration or no shaking place
⑧ No medium without explosion risk, and no gas and dust medium enough to corrode metal and destroy insulation.

3. Main structure and working principle

In the photovoltaic power generation system, there are protectors between the grounding in the positive and negative electrode lines. Under normal circumstances, the protector is in a state of high resistance. When the power grid is due to lightning or other original, due to the surge voltage, the protector will immediately turn on at the nanosecond level, within time, introducing the surge voltage into the earth, so as to protect the electrical equipment on the power grid. When the surge voltage passes through the protector, and the protector disappears back to the high resistance state again, so as not to affect the normal operation of the power grid. 


Specifications

model

SPD-PV

 

Rated Voltage (DC)

500V~1200Y

 

Maximum continuous

working voltage uc (DC)

PV1000V

 

PV1200

 

PV1500V

 

Protection level

C(two stage)

 

Nominal discharge

current I In (8 / 20 uS) (kA)

20

Maximum Discharge Current

Imax (8 / 20 uS) (kA)

40

Protection level up (kV)

3.2kV

 

4.5kY

 

5.0kV

 

Response time (nS)

≤25

 

ambient humidity

-40℃-+70℃

 

Housing color module / base

white

 

Maximum connection diameter (mm ²)

35 hard lines or multiple strands

 

Suggested wiring (mm ²)

4~25

 

Circuit breaker type selection is recommended

125A~250A

 

install

35mm electrical guide

 



Product Features

Installation method and matters needing attention
(1). The connecting wire should be used with the same capacity as the power line or greater than the power line, the total length should be controlled within 0.5 meters, The shorter the wire length, the better.

(2). There must be corresponding air switches or fuses in series at the front end of the surge protector.

(3). The power supply must be disconnected during the installation.

(4). Fault judgment of the surge protector:
① The indicator window of the module is green (normal). When the module deteriorates, the indicator window should be replaced in time;
② Surge protector can be equipped with (FS) remote remote communication alarm, remote communication touch There is a constant open and one constant close, one module or multiple modules of the surge protector failure, the contact will close, send a fault alarm signal, indicating that the module failure must be replaced.
③ Always check the air switches or fuses connected in series on the line.

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