Customization: | Available |
---|---|
Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Manual Type or Electric Type |
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Technical data
No. | Parameter designation | Unit | Data | |||||||
1 | Rated voltage | kV | 40.5 | |||||||
2 | Rated insulation level | Power frequency withstand voltage at 1 min | kV | 95 | ||||||
Rated lightning impulse withstand voltage | kV | 98 | ||||||||
3 | Rated current | A | 630 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | |
4 | Rated short circuit breaking current (effective value) Rated short time withstand current (effective value) |
kA | 20 | 20 | 20 | |||||
25 | 25 | 25 | 25 | |||||||
31.5 | 31.5 | 31.5 | 31.5 | |||||||
40 | 40 | 40 | 40 | 40 | ||||||
50 | 50 | 50 | 50 | |||||||
5 |
Rated short circuit closing current (peak value) Rated peak withstand current (peak value) |
kA | 50 | 50 | 50 | |||||
63 | 63 | 63 | 63 | |||||||
80 | 80 | 80 | 80 | |||||||
100 | 100 | 100 | 100 | 100 | ||||||
125 | 125 | 125 | 125 | |||||||
6 | Rated short circuit breaking current breaking times | Times | 30.50x | |||||||
7 | Rated short circuit duration | s | 1 | |||||||
8 | Rated operating sequence | O-0.3s-CO-180s-CO | ||||||||
9 | Mechanical life | Times | 30000 | |||||||
10 | Rated single capacitor bank breaking current | A | 630 | |||||||
11 | Rated back to back capacitor bank breaking current | A | 400 |
No. | Parameter designation | Unit | Data | ||||
1 | Contact opening distance | mm | 20±1 | ||||
2 | Contact travel | mm | 5±2 | ||||
3 | Three phase switch on/off asynchroneity | ≤2 | |||||
4 | Bounce time of switch-on contact | ms | ≤3(for 40kA and above ≤3) a | ||||
5 | Center distance between phases | mm | 300±1.5 (440+1.5) a | ||||
6 | Rated short circuit breaking current | kA | 20 | 25 | 31.5 | 40 | |
7 | Contact pressure of switch-on contact | N | 2000±200 | 2400±200 | 3100±200 | 4500±200 | |
8 | Average switch-off speed | m/s | 0.9~1.3 | ||||
9 | Average switch-on speed | m/s | 0.5~0.9 | ||||
10 | Breaking time | ms | 30±10 | ||||
11 | Closing time | ms | 50±10 | ||||
12 | Main circuit resistance in each phase of breaker b | µΩ | ≤40 | ||||
13 | Main circuit resistance in each phase of breaker and cart c | µΩ | ≤55 | ||||
14 | Bounce range of contact switch-off | mm | ≤1 | ||||
15 | Allowable abrasion thickness of dynamic and static contact | mm | ≤3 |
Rated voltage (kV) | 40.5 | 40.5 | 40.5 | 40.5 | 40.5 | 40.5 |
Rated current A | 630/1000 | 1250 | 1600 | 2000 | 2500/3150 | 4000 |
Moving contact arm closing circle D1 | 28 | 42 | 48/72 | 72 | 102 | 102 |
Static contact arm closing circle D2 | 35 | 49 | 55/79 | 79 | 109 | 109 |
Diameter of max. excircle D3 | 74 | 87 | 94/128 | 128 | 158 | 158 |
Number of moving contact stylus | 24 | 30 | 36/48 | 48 | 64 | 82 |
Model | Rated voltage (V) | Rated output power (W) | Normal working voltage range (V) | Energy storage time at rated voltage (s) |
HDZ-70-30B | DC110 DC220 |
80 | 85%-110% rated voltage | ≤15 |
Switch on/off electromagnet | ||
Rated operating voltage (V) | DC220 | DC110 |
Coil power (W) | 244 | 366 |
Rated current (A) | 1.11 | 3.33 |
Current resistance (Ω) | 198 | 33 |
Operating voltage range | Switch off 65%-120% rated voltage | switch on 85%-110% rated voltage |