Lightning Arrester Design for Distribution Class 5ka, 27kv

• Customization: Available
• Type: Power Source Arrester
• Structure: Zinc Oxide Arrester
• Model NO.: YH5W-27
• Installation: Parallel Arrester
• Application: Substation
• Size: Meidum
• Operation Voltage: Low Voltage
• Shape: Spiral
• Material: ZnO
• Certification: ISO9001
• Brand: Yongde
• Phase: Single
• Housing Color: Grey
• Discharge Current: 5ka
• Voltage: 27kv
• Transport Package: Carton
• Specification: SGS
• Trademark: YONGDE
• Origin: China
• HS Code: 85354000
• Production Capacity: 4500 PCS/Month

Product Description

Rated voltage: 27KV
Shed diameter: 120/90
Height b: 290mm
Gross weight: 2.3kg
Creepage distance: 915mm
Long duration current impulse 250A
Lightning impulse withstand 145/150KV

 

Type	YH5W5-27/72
Rated voltage---------kV	27
MOCV  ----------------kV	22
Nominal Current-------kV	5
Residual voltage of steep impulse----at 5kA(kV)	78
8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV)	72
Residual voltage of switching impulse current kV (peak value)----at 1kA  (kV)	/
1mA D.C reference voltage (kV)	38.5
Line discharge level	1
2mS long duration impulse current A	250
4/10µS High current impulse kA	65
Lightning impulse withstand kV	150
Power frequency voltage withstand(dry/wet)kV	70
0.1S TOV--------------kV	32.4
1S TOV----------------kV	31.05
10S TOV---------------kV	29.7
1200S TOV-------------kV	27
Creepage distance ----mm	915
Material employed in series non-linear resistor	Zinc Oxide

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