AC SPD – T1- 12.5kA per phase surge protection devices  KDY-I-12.5-4P z
AC SPD – T1- 12.5kA per phase surge protection devices  KDY-I-12.5-4P yAC SPD – T1- 12.5kA per phase surge protection devices  KDY-I-12.5-4P z

Modular AC Surge Protection Devices 12.5kA per phase 10/350µs KDY-I-12.5

12,500 amp per phase surge suppressor (SPD) for AC power distribution system

  • Iimp – 12.5kA/Phase (10/350μs waveform)
  • Uc – 440V for main distribution panel
  • Up –low protection level 1.8kV/phase
  • Short action response time, only 25ns
  • Advanced anti-surge components MOV/Varistor
  • State-of-the-art surge protection technology
  • Failure status indicator, green/red
  • Telesignailsation indicator for remote failure alerts
  • Simple installation, easy maintenance
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产品描述


KDY-I-12.5(10/350μs)

KDY-I-12.5 series SPDs are Type 1 surge protective devices designed to discharge high current surges without any damage to the back-up electrical equipments. This surge protective device spots its capacity to withstand impulse current with 10/350µs wave form which simulates direct impact coming from a natural lightning current. This SPDs are installed at the entrance point of the building, in the main distribution board of this installation.

 

Main Features

  • Iimp - 12.5kA/Phase (10/350μs waveform)
  • Uc - 440V for main distribution panel
  • Up –low protection level 1.8kV/phase
  • Short action response time, only 25ns
  • Advanced anti-surge components MOV/Varistor
  • State-of-the-art surge protection technology
  • Failure status indicator, green/red
  • Telesignailsation indicator for remote failure alerts
  • Simple installation, easy maintenance

 

Product Parameter

Model No.KDY-I-12.5
ELECTRICAL CHARACTERISTICS
Power System220/380V main distribution panel
Protection ModeTN
Impulse Discharge Current(Iimp)[10/350us]12.5kA(10/350µs)
Nominal Discharge Current (In)[8/20us]12.5kA(8/20µs)
Nominal Voltage(Un)AC 220V/380V
Maximal Continuous Operating a.c. Voltage(Uc)AC 440V
Voltage Protection Level at In (Up)<1.8kV
Response Time (tA)25ns
Status IndicatorGreen/Red tabs
Telesignalisation Remote Indicator(TS)optional
Maximal Back-up Fuse125A gG
Follow Currentnone
MECHANICAL CHARACTERISTICS
I/O Interface terminals, copper
Connection Cross-section (min.)16mm2 stranded/flexible
Connection Cross-section (max.)25mm2stranded/flexible
Place of Installationindoor
Mounting35mm2 DIN rails acc. to EN 60715
Enclosure Materialthermoplastic acc. to UL94 V-0
Enclosure Color black
Degree of ProtectionIP20
Test StandardGB 18802.1-2011 / IEC 61643-1
ENVIRONMNETAL CHARACTERISTICS
Stocking Temperature -40℃~+80℃(-104℉-176℉)
Operating Temperature-40℃~+80℃ (-104℉-176℉)
Relative Humidity (RH)5% - 95% (non-condensing)
Operating Altitude<3000m (9843ft)
Dimension(L*W*H)143mm*66mm*95mm
Weight(G/W)

 

 

Electrical Diagram

KDY-I-12.5 electrical

 

Wiring Diagram

KDY-I series SPD wiring (TN)

 

 Dimension

kdy-i-12.5  size

 

 *Installation Notes

1. For best performance, mount protector as close t service panel as possible, protector must be connected to a dedicated overcurrent devices sized for the protector's wires.

2. Must install SPD strictly according to the wiring diagram provided

“L1, L2, L3” – live line

“N” – null line

“PE” – Earth wire/Grounding line.

3. Must cut off the power before installation, no hot-line operation is allowed, and better to under the guidance of professional electrician.

4. Green tab, normal work status, Red tab, failure status, need to be replaced Rapidly.

5. Grounding wire should be as thick and short as possible, resistance<10Ω. The grounding line: BVR≥2.5 mm2.

 

00 Model Selection Table

Model Configuration
KDY-I-12.5/440/3PAC SPD, 12.5kA/Phase, 10/350µs, for TN-C three-phase 4-line AC main power distribution system, 35mm DIN Rail
KDY-I-12.5/440/4PAC SPD, 12.5kA/Phase, 10/350µs, for TN-S three-phase 5-line AC main power distribution system, 35mm DIN Rail
KDY-I-12.5R/440/4PAC SPD, 12.5kA/Phase, 10/350µs, telesignalisation indicator for remote failure alerts, for three-phase 5-line AC main power distribution system, 35mm DIN Rail

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