Low Voltage Thermal Magnetic Molded Case Circuit Breaker 400A 630A
KRIPAL has the Utility Model Patent for the structure of double making & double breaking!
The UKM32 series MCCB are used for making, breaking, and protection of low-voltage distribution systems and motors. Several breaking capacities exist for each model of circuit breaker, meeting
the demands for varying types of protection. Several different rated current levels are available for
each frame size
| 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 | - | - | - | - | - | - | - |
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.
Specifications:
| MCCBs for power distribution | UKM32-160 | UKM32-250 | UKM32-630 |
| Frame size | 160 | 250 | 630 |
| Rated current, In | 16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160 | 40, 50, 63, 80, 100, 125, 160, 200, 250 | 300, 400, 500, 630 |
| Poles | 3, 4, | 3, 4, | 3 |
| Rated operational Voltage, Ue | AC (V) | 690 | 690 | 690 |
| DC (V) | 500 | 500 | 500 |
| Rated impulse withstand voltage, Uimp | 8 | 8 | 8 |
| Rated insulation voltage. Uimp | 750 | 750 | 750 |
| Rated ultimate short circuit breakering capacity, Icu | N | N | N |
| AC 50/60HZ | 220/240V (KA) | 85 | 100 | 100 |
| 380/415V (KA) | 50 | 85 | 65 |
| 440/460V (KA) | 50 | 70 | 65 |
| 480/500V (KA) | 30 | 50 | 42 |
| 660/690V (KA) | 5 | 8 | 10 |
| DC | 250V (KA) | 42 | 65 | 50 |
| 2 poles in series | 500V (KA) | 42 | 65 | 50 |
| Rated service breaking capacity, Ics(%Icu) | 100% | 100% | 100% |
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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Low Voltage Thermal Magnetic Molded Case Circuit Breaker 400A 630A Images
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