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Home > Products > HV-Circuit Breaker > VT19-40.5EP Series indoor high voltage AC (solid letters) vacuum circuit breaker

VT19-40.5EP Series indoor high voltage AC (solid letters) vacuum circuit breaker

Basic Info

Model No.:  VT19-40.5EP

Product Description

Model NO.: VT19-40.5EP Operation: Manual Type Arc-extinguishing Medium: Vacuum Structure: ACB Type: Circuit Breaker Certification: ISO9001-2000, CE, CB, CCC Rated frequency: 50Hz Mechanical life: 20000 Specification: IEC Breaking Capacity: High Voltage Circuit Breakers Speed: Normal Type Circuit Breaker Installation: Open Frame Poles Number: 3 Function: Conventional Circuit Breaker Rated voltage: 40.5 kV lightning impulse: 185/215 kV(Peak) Trademark: Tianan Electric VT19-40.5EP Series indoor high voltage AC (solid letters) Vacuum Circuit Breaker
1. Product Description
        VT19-40.5EP Type indoor high voltage AC (solid sealing) vacuum circuit breaker is a three-phase AC 50Hz, 35kV point within the system of indoor Switchgear, as industrial and mining enterprises, power plants and Substation control and protection of electrical facilities unit. Due to the special advantages of vacuum circuit breakers, especially for applications that require frequent operation rated current or short circuit current breaking several places.
        The circuit breaker in line with IEC62271 and other domestic and international standards. The circuit breaker has reliable interlock function, can be used as handcart unit can also be used as a fixed unit.
2. Type meaning
VT19- 40.5 EP / - 0 0
VT19: Tian Model (Cheonan Electric)
40.5: Rated voltage (kV)
EP: solid sealing
0: Rated current A
0: Rated short-circuit breaking current (kA)
3. Technical parameters of the circuit breaker
Rated voltage 40.5kV
Rated frequency 50Hz
Rated lightning impulse withstand voltage: phase to earth / fracture 185kV / 215kV
Rated 1min power frequency withstand voltage:phase to earth / fracture 95kV / 110kV
Rated operating sequence O - 0.3s - CO - 180s - CO
Rated Current (A) 630, 1250 1250,1600,2000,2500
Rated short circuit breaking current (rms, kA) 20/25 31.5
Rated short-circuit current (peak, kA) 50/63 80
Rated short time withstand current / short duration (kA / s) 20, 25/4 31.5/4
Rated peak withstand current (kA) 50/63 80
Rated short-circuit current breaking cumulative number (times) 50
Mechanical life (times) 20000
Weight (kg) Handcart =< 350
Fixed =< 300
4. Ordering Information:
1. breakers name, type, size and number of orders
2. Optional element program
3. Rated operating voltage
4. The name and quantity of spare parts, spare parts
5. If there are other special customer requirements, when ordering

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