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Operating Mechanism
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Model No: MD.J19
This operating mechanism is sole used in ZN28-12kV Indoor VCB which mounted on 10kV handcart switchgear cabinet ,or other resemble Closing work of VCB. Its closing spring has two energy storage ways:electric energy storage and manual energy storage
There are three opening operations:opening magnet,over-current releaser,manual button.And two closing operations:closing magnet and manual button.
| Item | Weight(Kg) | Size(mm) | Rated input power of motor(W) | Closing spring(mm) | Rated short-circuit breaking current of Breaker(kA) |
| CD19-â… | 30 | 420×350×160 | 70 | φ7 | 20 |
| CD19-â…¡ | 30 | 420×350×160 | 90 | φ7.5 | 31.5 |
| CD19-â…¢ | 30 | 420×350×160 | 120 | φ8 | 40 |
| Model | 66ZY-CJ11 | |
| Rated work voltage | 110 | 220 |
| Rated input power of motor | 70.90.120 | |
| The voltage scope of normal work | 85%-110% of the rated voltage | |
| Energy storage times | ≤12s | |
| Rated work voltage(V) | ~110 | ~220 | ~380 | -48 | -110 | -220 |
| Rated work current(A) | 5 | 4.5 | 3.5 | 2.34 | 1.63 | |
| Rate work power(W) | <572 | <772 | <160 | <257 | <359 | |
| 20℃ resistance of coil(Ω) | 9.50.5 | 20.81 | 150.75 | 472.5 | 1857 | |
| The voltage scope of normal opening | 65%-120% of the rated voltage.It can't opening if less than 30% of rated voltage | |||||
| The voltage scope of normal closing | 80%-110% of the rated voltage | |||||
ModelNo:MD.J19B
This Mechanism is sole used in Chinese Model ZN28A-12kV or 40.5kV VCB which mounted on width of 350 ,10kV fixed switchgear cabinet,or other resemble Closing work of VCB.It also widely used in Chinese Model GG-1A.XGN2-12,ect.switchgear cabinet. Its closing spring has two energy storage ways: electric energy storage and manual energy storage.
There are three opening operations: opening magnet,over-current releaser,manual button.
And two closing operations: closing magnet and manual button.
The closing magnet use solenoid type magnet,the detail as belows:
Rated work voltage(V) |
∽110 | ∽220 | -48 | -110 | -220 |
| Rated work current(A) | 5 | 4.5 | 3.8 | 3.5 | 3.2 |
| Rate work power(W) | 374 | 330 | 158 | 319 | 220 |
| 20℃ resistance of coil(Ω) | 14.9±0.7 | 54±2.7 | 14.9±0.7 | 37±0.9 | 221.5±5.5 |
| The voltage scope of normal opening | 65%-120% of the rated work voltage.Can't opening if less than 30% of the rated work voltage | ||||
| The voltage scope of normal closing | 85%-110% of the rated work voltage | ||||
Model No: MD.J19BN
This operating mechanism is used in 12kV or 40.5kV Indoor Vacuum Circuit Breaker,or other resemble Closing work of SF6 Circuit Breaker , Mini-Oil Circuit Breaker,ect. Its closing spring has two energy storage ways:electric energy storage and manual energy storage. There are three opening operations:opening magnet,over-current releaser,manual button.
And two closing operations:closing magnet and manual button.
| Item | Unit | Date | |
| Closing work | J | 350-500 | |
| Energy-storage motor | Model | HDZ-220B | |
| Rated voltage or current | ≌V/1.6~1.8 | ||
| Rated output power | W | 120~160 | |
| Energy storage times | S | ≤15 | |
| Scope of work voltage | 85~110% of the rated voltage | ||
| Closing and Opening magnet | Rated work voltage | V | ~110V ~220V 380V -220V -110V |
| Rated work current | A | 5.6 4.5 2.1 2.03 4.07 | |
| 20℃ resistance of coil | Ω | 60±0.3 23±1.5 108±5.4 24±1.35 | |
| Scope of work voltage | Closing/opening magnet:85-110%/65-120% of rated voltage.Can't opening if less than 30% continuous three times | ||
| Auxiliary switch | Model | F11-12â…¢/L | |
| The number of NO contact | Pair | 6 | |
| The number of NC contact | |||
| Rated closing and opening current | A | AC12.5A ; DC220V 4A,110V 8A | |
| Output rotate angle | Degree | 50°-55° | |
| Mechanical life | Times | 10000 | |
| Closing time of Breaker | S | 0.030~0.060 | |
| Opening time of Breaker | 0.015~0.050 | ||
| No-current Gap-time of one shot reclosure | 0.3 | ||
| power frequency withstand voltage of Secondary circuit (1 min) | V | 2000 | |
Model No: MD.J19BW
This operating mechanism is used in 12kV or 40.5kV Pillar type Outdoor Vacuum Circuit Breaker,or other resemble Closing work of SF6 Circuit Breaker , Mini-Oil Circuit Breaker,ect. Its closing spring has two energy storage ways:electric energy storage and manual energy storage. There are three opening operations:opening magnet,over-current releaser,manual button.
And two closing operations:closing magnet and manual button.
Number |
Item | Unit | Date | |
| 1 | Closing work | J | 350-500 | |
| 2 | Energy-storage motor | Model | HDZ-220B | |
| Rated voltage or current | ≌V/1.6~1.8 | |||
| Rated output power | W | 120~160 | ||
| Energy storage times | S | ≤15 | ||
| Scope of work voltage | 85~110% of the rated voltage | |||
| 3 | Closing and Opening magnet | Rated work voltage | V | ~110V ~220V 380V -220V -110V |
| Rated work current | A | 5.6 4.5 2.1 2.03 4.07 | ||
| 20℃ resistance of coil | Ω | 60±0.3 23±1.5 108±5.4 24±1.35 | ||
| Scope of work voltage | Closing/opening magnet:85-110%/65-120% of rated voltage.Can't opening if less than 30% continuous three times | |||
| 4 | Auxiliary switch | Model | F11-12â…¢/L | |
| The number of NO contact | Pair | 6 | ||
| The number of NC contact | ||||
| Rated closing and opening current | A | AC12.5A ; DC220V 4A,110V 8A | ||
| 5 | Output rotate angle | Degree | 50°-55° | |
| 6 | Mechanical life | Times | 10000 | |
| 7 | Closing time of Breaker | S | 0.030~0.060 | |
| Opening time of Breaker | 0.015~0.050 | |||
| 8 | No-current Gap-time of one shot reclosure | 0.3 | ||
| 9 | power frequency withstand voltage of Secondary circuit (1 min) | V | 2000 | |
