YB27-12/0.4 Outdoor Prefabricated Substation (US)

Selection

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

Rated voltage(kV)	10			0.4
	Transformer	Switch to ground and interphase	Switch isolation  between fracture
Power frequencywithstand 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

Foundation drawing

Standard type and extra-strength type