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AC SPD – 20kA per phase surge protection devices KDY-20-3P+1 zAC SPD – 20kA per phase surge protection devices KDY-20-3P yAC SPD – 20kA per phase surge protection devices KDY-20-2P yAC SPD – 20kA per phase surge protection devices KDY-20-1P+1 zAC SPD – 20kA per phase surge protection devices KDY-20-1P z

Pluggable AC Surge Protection Devices 20kA per phase 8/20µs KDY-20

20,000 amp per phase surge suppressor (SPD) for AC power distribution system

  • Imax – 20kA/Phase (8/20μs waveform)
  • Uc – 320V for individual distribution panel
  • Up –low protection level 1.5kV/phase
  • Short action response time, only 25ns
  • Advanced anti-surge components MOV/Gas Spark
  • 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-20 (8/20µs)

KDY-20 Series SPDs shall be installed as close as possible from the sensitive equipments to protect. This surge protective device spots its capacity to withstand impulse current with 8/20µs wave form and low voltage protection level. This SPDs are installed in the individual distribution panel of this installation.

 

Main Features

  • Imax - 20kA/Phase (8/20μs waveform)
  • Uc - 320V for individual distribution panel
  • Up –low protection level 1.5kV/phase
  • Short action response time, only 25ns
  • Advanced anti-surge components MOV/Gas Spark
  • 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-40KDY-65F
ELECTRICAL CHARACTERISTICS
Power System220/380V individual distribution panelPE
Protection ModeTT-TN-IT
Nominal Discharge Current (In)[8/20us]10kA(8/20µs)
Maximal Discharge Current (Imax)[8/20us]20kA(8/20µs)60kA(8/20µs)
Nominal Voltage(Un)AC 220V 255V
Maximal Continuous Operating a.c. Voltage(Uc)AC 320V
Voltage Protection Level at In (Up)≤1.5kV<1.2kV
Response Time (tA)25ns
Status IndicatorGreen/Red tabs
Telesignalisation Remote Indicator(TS)optional
Maximal Back-up Fuse16A gG
Follow Currentnone
MECHANICAL CHARACTERISTICS
Connection Cross-section (min.)4mm2 solid
Connection Cross-section (max.)16mm2 stranded
Place of Installationindoor/outdoor
Mounting35mm2 DIN rails acc. to EN 60715
Enclosure Materialthermoplastic acc. to UL94 V-0
Enclosure Color white
Degree of ProtectionIP20
Test StandardGB 18802.1-2011 / IEC 61643-1
ENVIRONMENTAL CHARACATERISTICS
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)72mm*63mm*91mm
Weight(G/W)

 

 

Electrical Diagram

KDY-20 electrical

 

Wiring Diagram

Class III SPD wiring

 

Class III SPD wiring(TT-TN-IT)

 

Dimension

kdy-20  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-20/320/1P+1pluggable SPD, 20kA/Phase, 8/20µs, for single-phase 2-line/3-line AC main power distribution system, better grounding, 35mm DIN Rail
KDY-20/320/2Ppluggable SPD, 20kA/Phase, 8/20µs, for single-phase 2-line/3-line AC main power distribution system, 35mm DIN Rail
KDY-20/320/3Ppluggable SPD, 20kA/Phase, 8/20µs, for TN-C three-phase 4-line AC main power distribution system, 35mm DIN Rail
KDY-20/320/3P+1pluggable SPD, 20kA/Phase, 8/20µs, for TT three-phase 4-line AC main power distribution system, 35mm DIN Rail
KDY-20/320/4Ppluggable SPD, 20kA/Phase, 8/20µs, for TN-S three-phase 5-line AC main power distribution system, 35mm DIN Rail
KDY-20R/320/2Ppluggable SPD, 20kA/Phase, 8/20µs, telesignalisation indicator for remote failure alerts, for single-phase 2-line/3-line AC main power distribution system, 35mm DIN Rail

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