Zhejiang KRIPAL Electric Co., Ltd.
Zhejiang KRIPAL Electric Co., Ltd 30 years experience in manufacturing ac contactor, rotary isolator switch, industrial plug socket, molded case circuit breaker and etc
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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 | - | - | - | - | - | - | - |
| 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 | ||||||||
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.
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:
