Tavrida Indoor Vacuum Circuit Breaker ISM

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: VDE
• Rated Voltage: 12kv
• Rated Normal Current: 800A
• Rated Power Frequency Withstand Voltage: 28kv
• Rated Lightning Impulse Withstand Voltag: 75kv
• Transport Package: Carton for Export
• Specification: 100kg
• Trademark: T-avrida
• Origin: China

Product Description

Product Description

    Vacuum Circuit Breakers described in the current document can be used in various kinds of switchgear and RMUs and are intended to perform switching operations in network rated and faulty modes.

The breakers are comprised of following main components:

 · Indoor Switching Module (ISM) - The air insulated ISM incorporates Tavrida Electric vacuum interrupters with monstable magnetic actuators and solid dielectric insulating materials. No SF-6 or oil insulation is used in the ISM;

 · Control Module (CM) - The CM is a microprocessor based controller that provides ISM operation, protection and data logging functions;

 · Kits - The kits of components are used to provide circuit breaker application properties.

   This guide contains information about the circuit breaker technical parameters, functionality and operating principles. The purpose of the document is to provide necessary product information for application engineers and technical personnel utilizing the equipment.

Product Photos

Specification

Type                                                      VCB15_LD           VCB15_Shell          VCB25_LD
Rated voltage (Ur)		≤ 12 kV		≤ 17.5 kV			≤ 24 kV
Rated normal current (Ir)		≤ 800 A		≤ 1250 A 1)			≤ 800 A
				≤ 2000 A
Rated power frequency withstand voltage (Ud)		28 (42) 2)  kV		38 (42) kV 2)			50 kV
Rated lightning impulse withstand voltage (peak) (Up) Rated short-circuit breaking current (Isc) Rated peak withstand current (Ip)		75 kV		95 kV 3)			125 kV
		≤ 20 kA 4)		≤ 31.5 kA 4)			≤ 16 kA 4)
		≤ 50 kA		≤ 82 kA			≤ 40 kA
Rated short-time withstand current (Ik) Rated duration of short circuit (tk) Rated frequency (fr)		≤ 20 kA		≤ 31.5 kA			≤ 16 kA
				4 s
				50/60 Hz
Mechanical life (CO-cycles)		50 000 5)			30000
Maximum number of CO-cycles per hour				60
Operating cycles, rated-short circuit breaking current Closing time Opening time Break time		100		50                       100
		≤ 70 ms		≤ 60 ms                ≤ 70 ms
		≤ 35 ms		≤ 35 ms                ≤ 35 ms
		≤ 45 ms		≤ 45 ms                ≤ 45 ms
Rated operating sequence			O-0.3s-CO-10s-CO-10s-CO 6)
Auxiliary circuits insulation strength 7)
Power frequency test voltage (1 min) according to IEC60255-27 Lightning impulse 1.2 m s/50 m s/0.5 J according to IEC60255-27				2 kV     5 kV
Insulation resistance, 1000V DC according to IEC60255-27 Design class of switching module with regard to severity of service conditions in accordance with IEC 60932				≥ 5 MOhm
		Class 1                  Class 0                 Class 0
Standards		IEC 62271-100		IEC 62271-100		IEC 62271-100
		GB 1984- 2003		GB 1984- 2003
Mechanical vibration withstand				Class 4M4
capability according to IEC 60721-3-4 Resistance of main circuit
		≤ 40 μOhm            ≤ 18 μOhm          ≤ 40 μOhm 34-36 kg               51-55 kg              35-38 kg
Weight (depending on Pole centre distance) for three-phase ISM
Weight for single phase ISM Weight for CM		13 kg                        -                       14 kg
				1 kg
Overall dimensions of CM 8) Altitude above sea level				190x165x45 mm       1000 m 9)
Relative humidity in 24 hours Relative humidity over 1 month Temperature Range				≤ 95 % ≤ 90 %
				-25 °C ... +55 °C
Degree of protection according to IEC 60529 Type of driving mechanism				IP40
			Monostable magnetic actuator