The Armored Removable AC Metal-Enclosed Switchgear is a high-performance electrical distribution solution designed for indoor three-phase power systems operating at 50/60Hz with a rated voltage of 24kV. This switchgear is widely applied in power plants, substations, industrial enterprises, and high-rise buildings, where it plays a critical role in receiving, distributing, controlling, protecting, and monitoring electric circuits.
Technical parameters of switch equipment
project | unit | parameter | |
Rated short-term withstand current (4s) | KA | 20 | 31.5 |
Rated peak withstand current | kA | 50 | 80 |
Auxiliary control circuit rated voltage | v | DC or AC 110/220 | |
Protection level | IP4X (circuit breaker room door open or compartment room is IP2X) | ||
Dimensions (width × depth × height) | mm | 800×1810×2380 | 1000×1810×2380 |
weight | kg | 840~1440 |
project | unit | parameter | ||||
Rated voltage | kv | 24 | ||||
Rated frequency | Hz | 50/60 | ||||
Rated insulation level | Lightning impact withstand voltage (peak value) | kv | Relatively | 60 | Isolation break | 79 |
1min power frequency withstand voltage (valid value) | kv | Relatively | 125 | Isolation break | 145 | |
Auxiliary control circuit power frequency withstand voltage | V | 2000 | ||||
Rated current | A | 630, 1250, 1600, 2000, 2500, 3150 | ||||
Rated short circuit breaking current | KA | 20 | 31.5 | |||
Rated short circuit closing current (peak value) | kA | 50 | 80 |
Technical parameters of VS1-24, VN2-24 vacuum circuit breaker
project | unit | parameter | ||
Rated voltage | KV | 24 | ||
Rated insulation level | 1min power frequency withstand voltage (valid value) | kv | 60 | |
Lightning impact withstand voltage (peak value) | kv | 125 | ||
Rated frequency | Hz | 50/60 | ||
Rated current | A | 630, 1250, 1600, 2000 | 630, 1250, 1600, 2000, 2500, 3150 | |
Rated short circuit breaking current | kA | 20 | 31.5 | |
Rated short circuit closing current (peak value) | kA | 50 | 80 | |
Rated short-term withstand current (4s) | kA | 20 | 31.5 | |
Rated peak withstand current | kA | 50 | 80 | |
Rated single capacitor bank turn-off current | A | 630 | ||
Rated back-to-back capacitor bank switch-off current | A | 400 | ||
Rated short circuit breaking current breaking times | Second-rate | 50 | ||
Mechanical life | Second-rate | 20000 | ||
Rated operating sequence | O-0.3s-CO-180s-CO |
Technical parameters of spring actuation mechanism
project | unit | parameter | |
Rated operating voltage | Closed trip coil | V | AC220, AC110, DC220, DC110 |
Opening trip coil | |||
Operating current | Closed trip coil | A | AC220 or DC220 is 1.1 AC110 or DC10 is 3.1 |
Opening trip coil | |||
Energy storage motor power | w | 80,100 | |
Rated voltage of energy storage motor | V | AC220, AC110, DC220, DC110 | |
Electric energy storage time | S | ≤10 |