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Home > Type 1 Surge Protective Devices > HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
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HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage
HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage

HY5W 3 Phase Surge Arrester 21kV 24kV High Voltage Lightning Arrester Composite Metal Oxide Polymer Distribution Overvoltage

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Product Description

Application

Zinc oxide arrester has good protection performance. The current flowing through the arrester at normal working voltage is very small (microampere or milliampere) due to the good nonlinear voltage-ampere characteristic of zinc oxide. When the overvoltage action, the resistance dropped sharply, let off the voltage energy, to achieve the effect of protection. The difference between this kind of arrester and traditional arrester is that it has no discharge gap and USES the non-linear characteristic of zinc oxide to discharge and break.

  • Power frequency: 48Hz ~ 60Hz
  • Ambient temperature: -40°C ~ +40°C
  • Maximum wind speed: not exceed 35m/s
  • Altitude: not exceed 2000m
  • Earthquake intensity: not exceed 8 degrees
  • Ice thickness: not exceed 10 meters.
  • Long-term applying voltage does not exceed the maximum continuous operating voltage.
Parameters
Metal Oxide Polymer Distribution Overvoltage parameters sheet
Type Rated voltage (KV) Continuous operating voltage (KV≥) 1/4 Steep current residual voltage (KV≤) 8/20 Lightning current residual voltage (KV≤) 30/60 Switching current residual voltage (KV≤) 2000μs Rectangular wave current impulse (A) 4/10 Current withstand discharge capacity (KA)
HY5W-3 3 2.55 9.5 9 7.7 100 65
HY5W-6 6 5.1 19 18 15.4
HY5W-9 9 7.65 28.5 27 23.1
HY5W-12 12 10.2 38 36 30.8
HY5W-15 15 12.7 47.5 45 38.5
HY5W-18 18 15.3 57 54 46.2
HY5W-21 21 17 66.5 63 53.9
HY5W-24 24 19.2 76 72 61.6
HY5W-27 27 21.9 85.5 81 69.3
HY5W-30 30 24.4 95 90 76.5
HY5W-33 33 26.8 104.5 99 84.7
HY5W-36 36 29 114 108 92.4
HY5W-42 42 34.1 132.3 126 100.1
HY10W-3 3 2.55 9.5 9 7.7 250 100
HY10W-6 6 5.1 19 18 15.4
HY10W-9 9 7.65 28.5 27 23.1
HY10W-12 12 10.2 38 36 30.8
HY10W-15 15 12.7 47.5 45 38.5
HY10W-18 18 15.3 57 54 46.2
HY10W-21 21 17 66.5 63 53.9
HY10W-24 24 19.2 76 72 61.6
HY10W-27 27 21.9 85.5 81 69.3
HY10W-30 30 24.4 95 90 76.5
HY10W-33 33 26.8 104.5 99 84.7
HY10W-36 36 29 114 108 92.4
HY10W-42 42 34.1 132.3 126 100.1
Product photo
Composite Metal Oxide Polymer Distribution Overvoltage product display
About us
We are engaged in manufacturing, development, service, solution, maintenance & marketing of H.V./L.V. power distribution equipments, switchgears, transformers, substations..etc. As a leading & professional manufacturer, we mainly manufacture below items and supply their electrical accessories:
  • H.V.& L.V.switchgears
  • Power Distribution Board (PDB)
  • M.V solid insulated switchgears (SIS)
  • Compact substations / Package substation / Kiosk substation
  • Single phase & three phase pad mounted transformers(PMT)
  • Gas insulated switchgears(GIS)
  • Ring main units (RMU)
  • Oil-immersed transformers and dry type transformers
  • Vacuum circuit breakers (VCB), Air circuit breakers(ACB), mini circuit breakers(MCB), Moulded case circuit breakers(MCCB), Residual current circuit breakers(RCCB), Fuse cutout, overload relays, contactors, etc.
Production facility and testing area
Power distribution components and assembly line
Frequently Asked Questions
How does a zinc oxide arrester protect electrical systems?
Zinc oxide arresters exploit the high non-linear characteristics of zinc oxide. At normal working voltages, the leakage current is minimal. When an overvoltage occurs, the resistance drops immediately, allowing the excess electrical energy to discharge safely, thereby protecting downstream equipment.
What is the difference between zinc oxide arresters and traditional arresters?
Traditional arresters typically rely on a physical discharge gap to function. Zinc oxide arresters, however, operate without a discharge gap, utilizing the physical properties of metal oxide to instantly switch between isolating and conducting states.
What are the recommended environmental conditions for operation?
These units perform best under ambient temperatures of -40°C to +40°C, power frequencies of 48Hz to 60Hz, altitudes not exceeding 2000m, and maximum wind speeds under 35m/s. They are rated to withstand earthquake intensities up to 8 degrees.
Which product lines and power accessories do you specialize in?
Our technical scope covers H.V. and L.V. switchgears, PDBs, GIS/SIS, kiosk substations, pad-mounted and oil-immersed transformers, RMUs, and essential protective components like vacuum circuit breakers (VCB) and overload relays.
Can these arresters handle voltages above 36kV?
Yes, as highlighted in the parameter configurations, models like the HY5W-42 and HY10W-42 are specifically rated for up to 42kV installations, ensuring compatibility with standard high-voltage transmission networks.

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