Urban 31.5kA Power Transformer Substation Intelligence Frame Circuit Breaker AIA-1 manufacturer from China Jubang Electric Group Co., Ltd.

Place of Origin:

Guangdong, China (Mainland)

Product Detail

Model No.: AIA-1

Urban 31.5kA Power Transformer Substation Intelligence Frame Circuit Breaker

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Urban 31.5kA Power Transformer Substation Intelligence Frame Circuit Breaker

Technical specifications

High Voltage Unit	Rated Frequency	50/60Hz
	Rated Voltage	6.3kV,11kV,20kV,33kV
	Utmost Working Voltage	6.9kV,11.5kV,24kV,40.5kV
	Rated Current	400A,630A,1250A
	Transfer Current	1200~3150A
	Power Frequency Withstand Voltage	42/48kV
	Lightning Impulse Withstand Voltage	75/85kV
	Rated Drop- out current	31.5kA
Power Transformer	Rated Voltage	6.3kV,11kV,20kV,33kV
	Rated Capacity	30~2000kVA
	Tapping Range	2 x 2.5%
Low Voltage Unit	Rated Voltage	220v,380V,690V,1140V
	Main Loop Rated Current	50~4000A
	Branch Loop Rated Current	5~800A
Shell	Protection Level	HV Side: IP33 Transformer: IP23 LV Side: IP33
Shell	Noise Level(dB)	50

Technical Specification of main switch ZN85-40.5 vacuum circuit breaker in KTN61-40.5

switch cabinet:

Rated Voltage	40.5kV
Rated Current	1250A,1600A,2000A
Rated Short Circuit Breaking Current	20kA,25kA,31.5kA
Rated Short Circuit Withstand Current(peak value)	50kA,63kA,80kA

Technical Specification of Main Switch ZN63A-12 Vacuum Circuit Breaker in XGN2-12.KYN28A-12 Switch Cabinet:

Rated Voltage	12kV
Rated Current	630A,1250A,1600A,2000A,2500A,3150A
Rated Short Circuit Breaking Current	20kA,25kA,31.5kA,40A,50A
Rated Short Circuit Withstand Current (peak value)	50A,63A,80A,100A,125A

Transformer Technical Specification:

Item

Rated Capacity

Voltage Ration

Rated Capacity

Tapping Range

Connection Type

S11-M

33kV

40.5/0.4kV

50~2500

±2 ×2.5%

Dyn11

11kV

12/0.4kV

50~2500

±2 ×2.5%

Dyn11

Current Transformer Technical Specification: