DC Molded Case Breaker For Photovoltaic System 16-1250A 500V IEC standard
The UK,M32 series breakers is supplied with rated insulation voltage 1000V and used for circuit of 50Hz /60Hz, rated operation voltage DC 1000V or below rated operation current up to 1600A for infrequent changing over and starting of the motors. Equipped with the protection devices for over-current, short circuit and under voltage, the product is capable of preventing damage of circuits and supply units. The product conforms to IEC60947-2 standard.
| Model | Rated current (A) |
| UKM32-160 | 16 | 20 | 25 | 32 | 40 | 50 | 63 | 80 | 100 | 125 | 160 |
| UKM32-250 | 40 | 50 | 63 | 80 | 100 | 125 | 160 | 200 | 250 | - | - |
| UKM32-630 | 300 | 400 | 500 | 630 | - | - | - | - | - | - | - |
Specifications:
| Type | UKM32-160 | UKM32-250 | UKM32-630 | UKM32-1250 |
| Frame size | [AF] | 160 | 250 | 630 | 1250 |
| Rated curent,ln | [A] | 16,20,25,32,40,50 63,80,100,125,160 | 40,50,63,80 100,125,160,200,250 | 300,400,500,630 | 800,1000,1250 |
| No.of poles | 2*,3,4 | 2*,3,4 | 2*,3,4 | 3 |
| Rated operational voltage,Ue | AC [V] | 690 | 690 | 690 | 690 |
| DC [V] | 500 | 500 | 500 | 500 |
| Rated impulse withstand volatge,Uimp | [kV] | 8 | 8 | 8 | 8 |
| Rated insulationvoltage,Ui | 750 | 750 | 750 | 750 |
| Rated ultimate short-circuit breaking capacity,lcu | [V] | N | H | L | N | H | L | N | H | L | N | H |
| AC 50/60Hz 220/240V | [kA] | 85 | 100 | 200 | 100 | 120 | 200 | 100 | 120 | 200 | 85 | 85 |
| 380/415V | [kA] | 50 | 85 | 150 | 50 | 85 | 150 | 65 | 85 | 150 | 50 | 70 |
| 440/460V | [kA] | 50 | 70 | 130 | 50 | 70 | 130 | 65 | 85 | 130 | 50 | 65 |
| 480/500V | [kA] | 30 | 50 | 65 | 42 | 65 | 85 | 42 | 65 | 85 | 40 | 50 |
| 660/690V | [kA] | 5 | 8 | 10 | 10 | 15 | 20 | 10 | 20 | 35 | 30 | 42 |
| DC 250V | [kA] | 42 | 65 | 100 | 50 | 85 | 100 | 50 | 85 | 100 | | |
| DC(2poles in series) 500V | [kA] | 42 | 65 | 100 | 50 | 85 | 100 | 50 | 85 | 100 | 20 | 20 |
| Rated short-circuit making capacity lcm | | | | | | | | | | | | |
| AC 50/60Hz 220/240V | [kA] | 187 | 220 | 440 | 220 | 264 | 440 | 220 | 264 | 440 | 63 | 63 |
| 380/415V | [kA] | 105 | 187 | 330 | 105 | 187 | 330 | 143 | 187 | 330 | 37.5 | 52.5 |
| 440/460V | [kA] | 105 | 154 | 286 | 105 | 154 | 286 | 143 | 187 | 286 | 37.5 | 48.5 |
| 480/500V | [kA] | 63 | 105 | 143 | 88 | 143 | 187 | 88 | 143 | 187 | 30 | 37.5 |
| 660/690V | [kA] | 8 | 14 | 17 | 17 | 30 | 40 | 17 | 40 | 74 | 22.5 | 31.5 |
| Use category | A | A | A | A |
| Implementation of standards | IEC60947-2 | IEC60947-2 | IEC60947-2 | IEC60947-2 |
| Mechanical Life (Number of operations) | 25000 | 25000 | 20000 | 10000 |
Description:
1. Thermal magnetic adjustable
2. Double making & double breaking design
3. Contacts: 85% AgCdo
4. Metal parts: cooper
5. Plastic Parts: brand-new materials
6. High breaking capacity.
7. Bearing Rotating shaft
8. The max breaking capacity of each model is up to 150 kA
9. U-type fixed contact design
10. Don't contain any noxious substances and its manufacturing And processing are performed in
accordance with the requirements of ISO14001.
Advantages:
1. Rotating shaft with bearing
2. snap action
3. Current-limiting capacity
4. Modularized design
5. Advanced magnetic field analysis
6. Environment friendly
Exploded view:
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DC Molded Case Breaker For Photovoltaic System 16-1250A 500V IEC standard Images
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