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YB27-12 0.4 Switchgear
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  • YB27-12 0.4 Switchgear
  • YB27-12 0.4 Switchgear

YB27-12 0.4 Switchgear

1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln

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Product Details

Rating:
Rated voltage : HV equipment10KV and 12KV, LV equipment 0.4 KV.Rated current :HV equipment 630A, LV equipment 1500A.
Application:
Yb27 series substation is an American type combined substation with function of high voltage control, protection, power transformation and distribution. Usually used in urban and rural power distribution system. The high voltage load switch and high voltage fuse of this product are installed in the oil of the transformer, with the two structures: in same case with the transformer and in different case with transformer. It can be used in high-rise buildings, building in urban and rural areas, residential communities, high-tech development areas, small and medium size factories, mining areas, oilfields, temporary features sites, and
other premises.
Standard: IEC1330

Selection

1

Operating conditions
1.Ambient air temperature: -30℃ ~+40℃
2.Altitude: ≤1000m
3.Wind speed:34m/s ≤700pa
4.Relative humidity: Daily average relative humidity ≤95%.Monthly average relative humidity ≤95%.
5.Installation inclination: ≤grade 8
6.Applicable in the places without corrosive and flammable gas.
Note: Customized products are available.

Features
1.Compact structure with small volume, the volume is 1/3-1/5 of European style substation in same capacity. It reduce the floor space efficiently.
2.Whole sealing and full insulated structure ,no need insulation distance. This can protect personal safety
3.High voltage wiring can used both in looped network and terminal with high reliability and flexibility
4.The transformer is with excellence performance, low loss,low Noise,lowtemperature rise, high overload capacity, strong impact resistant ability and highanti-short circuit capacity .
5.connector. Both can equiped with all insulated ZnO lightning conductor.200A elbow connector can use with load plug and with the function of insulation switch.

Technical data
1.Rated voltage: 10kV/0.4Kk
2.High voltage side rated voltage: 10kV
3.High voltage side max voltage: 12kV
4.Low voltage side rated voltage: 0.4kV
5.Rated frequency: 50Hz
6.High voltage switch thermal stability capacity: 20kA/26
7.Low voltage main circuit breaker rated short circuit breaker capacity: 35kA
8.Low voltage output circuit breaker rated short circuit breaker capacity: 35kA
9.High voltage load switch transfer current: 1500A
10.Selection of neutral earthing bus

Technical data

Rated voltage (kV) 10 0.4
Transformer Switch to ground and interphase Switch isolation  between fracture
Power frequency
withstand voltage(kV)
35 42 48 2.5
The peak impact resistance(kV) 75 75 85 /

11.Noise level: 50dB
12.Box shell protection grade: Not less than IP3X

Overall and mounting dimensions(mm)
YB27-12/0.4 prefabricated substation standard type Overall and mounting dimensions(mm)

Capacity (kVA) A B C D E F H
Standard type 100-250 1900 1650 1250 650/800 600 1410/1560 1450
315 1900 1650 1350 650/800 650 1460/1610 1450
400-500 1900 1750 1450 650/800 650 1490/1640 1550
630 1900 1750 1550 650/800 700 1580/1730 1550
800 1900 1850 1550 650/800 700 1640/1790 1650
1000 1900 1850 1650 650/800 700 1640/1790 1650

YB27-12/0.4 prefabricated substation extra-strength type Overall and mounting dimensions(mm)

Capacity (kVA) A B C D E F H
Extra-Strength type 100-250 2400 1650 1250 800 600 1560 1450
315 2400 1650 1350 800 650 1610 1450
400-500 2400 1750 1450 800 650 1640 1550
630 2400 1750 1550 800 700 1730 1550
800 2400 1850 1550 800 700 1790 1650
1000 2400 1850 1650 800 700 1790 1650

YB27-12/0.4 prefabricated substation comprehensiveness type Overall and mounting dimensions(mm)

Capacity (kVA) A B C D E F G M N
Comprehensiveness type 100-250 2400 1750 1250 800 600 1750 1450 950 550
315 2400 1750 1350 800 650 1750 1450 950 550
400-500 2400 1850 1450 800 650 1750 1550 950 550
630 2400 1850 1550 800 650 1750 1550 950 550
800 2400 1950 1550 800 650 1750 1650 950 550
1000 2400 1950 1650 800 700 1750 1650 950 550
6

Foundation drawing
Standard type and extra-strength type

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