KYN28A-12 Withdrawable Metal-clad Switchgear
KYN28A-12 Withdrawable Metal-clad Switchgear

KYN28A-12 Withdrawable Metal-clad Switchgear

KYN28A-12 Series switchgear panel is a MV air-insulated switchgear (AIS) for primary distribution, with vacuum circuit-breaker has been designed for the various operating requirements in public and industrial medium-voltage distribution systems.

Feature

Reliable "Anti-5" Mechanical Latch, Convenient and Safe Maintenance

Provides Middle Rolling and Floor Roiling Two Different Withdrawble Types, Can Meet All Our Customers' Technical Requirements and Operating Features

Both Vcb of Zn85-40.5/Vs1-40.5 Developed by Our Company and Vd4, Vb2 and 3ah Manufactured by Other Companies Around The World Can be Matched with The Switchgear

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Product Introduction

SUMMARY

 

KYN28A-12 Series switchgear panel is a MV air-insulated switchgear (AIS) for primary distribution, with vacuum circuit-breaker has been designed for the various operating requirements in public and industrial medium-voltage distribution systems. This panel applies to 3.6~12kv 3 phase AC 50Hz / 60Hz network for receiving and distributing power energy and also for control,monitor and protection. It can be arranged for single bus, single-bus sectionalizing system. It accords to IEC62271-200 <>, IEC694<>, GB3906<<3~35KV AC Metal Enclosed Switchgear>>, DL404<>, DIN.VDE0670<> and so on. It has perfect and reliable prevention function against false-operation.

 

 

OPERATING CONDITIONS

 

Normal operating conditions, according to the IEC International Standards listed below, for indoor switchgear. 

 

Ambient air temperature

• Less than or equal to 40°C 

• Less than or equal to 35°C on average over 24 hours 

• Greater than or equal to -5°C ( -25°C on request) 

 

Altitude

• Less than or equal to 1000 m; 

• Above 1000 m, a derating coefficient is applied (please consult us) 

 

Atmosphere

• No dust, smoke, or corrosive, or inflammable gas and vapor, or salt 

• Earthquake intensity: Magnitude 8

 

Humidity

• Average relative humidity over a 24 hour period ≤ 95% 

• Average relative humidity over a 1 month period ≤ 90% 

• Average vapor pressure over a 24 hour period ≤ 2.2 kPa

• Average vapor pressure over a 1 month period ≤ 1.8 kPa

 

 

MODEL

 

 

 

TECHNICAL CHARACTERISTICS

 

Item Unit Data
Rated voltage KV 3.6, 7.2, 12
Rated insulation level 1min.P.F. withstand voltage (phases to ground/gaps) KV 42/48
Lightning impulse withstand voltage (phases to ground/gaps) KV 75/85
Rated frequency Hz 50/60
Rated current A 630, 1250, 1600, 2000, 2500, 3150, 4000, 5000
Rated short-time withstand current (4s) KA 16, 20, 25, 31.5, 40, 50
Rated peak withstand current※ KA 40, 50, 63, 80, 100, 125
Protection class   Enclosure: IP4X, IP2X (VCB Door opened)
Outline dimension (width×depth×height) mm 800 (550, 650, 1000) × 1500 (1300, 1670, 2000) × 2200
Weight kg 800-1200

 

 

CONSTRUCTION

 

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