HD4 Gas Insulated Mv Circuit Breaker 12~ 40.5 Kv-630~3600 a-16~50 Ka

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Model NO.: HD4
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: SF6
• Installation: Fixed
• Structure: ACB
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: VDE
• Rated Voltage: 40.5kv
• Rated Insulation Voltage: 40.5kv
• Power Frequency Withstand Voltage: 95kv
• Withstand Voltage for Lightning Impulses: 185kv
• Transport Package: Carton for Export
• Specification: 100kg
• Trademark: A-B-B
• Origin: China

Product Description

Product Description

Applications
HD4 circuit breakers can be used to control and protect lines in power distribution systems,power equipment, etc., especially suitable for those who require a special level of dielectric strength Other sensitive occasions, such as capacitor banks, compensating reactors, etc.
Installation:
The HD4 circuit breaker operating mechanism is arranged on the front side, There are two installation methods,it is fixed and can be withdrawn
standard:
HD4 circuit breaker conforms to GB/T 1984 and other relevant standards, and has passed The following tests are carried out to ensure safety under any normal installation conditions Serve reliably
 

•Type test: insulation test, main loop resistance measurement, temperature rise test,Short-time withstand current and peak withstand current test, auxiliary and control back Additional test of the road, mechanical operation test at room temperature, sealing test,Short-circuit current closing and breaking test, no-load cable opening and closing test and capacity Sexual current opening and closing test, etc.
•Factory test: insulation test of the main circuit, auxiliary and control circuits testing, main circuit resistance measurement, structural and visual inspection, mechanical characteristicsSex and mechanical operation inspections as well as seal tests.

Detailed Photos

Specification

HD4/Z
standard		GB/T 1984 IEC 62271-100
Rated voltage		Ur[kV]							40.5
Rated insulation voltage		Us[kV]							40.5
Power frequency withstand voltage		Ud(1 min)  [kV]							95(1)
Withstand voltage for lightning impulses		Up[kV]							185(1)
Rated frequency		Fr[Hz]							50
Rated Current(2)		Ir[A]							1250   1600   2000   2500   3150(3)
Rated short-circuit interrupting current		Isc[kA]							25  31.5
Rated short-time withstand current (4 s)		Ik[kA]							25  31.5
Rated short-circuit closing current		Ip[kA]							63   80
Rated sequence of operations		[O-0.3 s-CO-180 s-CO]
Opening time		[ms]							35~65
Arc time		[ms]							≤15
Interrupting time		[ms]							40~80
Closing time		[ms]							60~100
Maximum external dimensions								H[mm]                                                                                 1575
								L[mm]                                                                                  895
D[mm]                                                                                 720
weight			[kg]					280    280    350    350    350
Pole SF6 gas pressure (absolute)			[kPa]					550
Pole SF6 gas alarm pressure (absolute)			[kPa]					480
Operating ambient temperature			[ºC]					-5~+40(4)