Project | Company | Load switch cabinet | Combination cabinet | Circuit breaker cabinet |
Rated voltage | kV | 12 | 12 | 12 |
Rated frequency | Hz | 50/60 | 50/60 | 50/60 |
Rated current | A | |||
Main busbar | A | 630 | 630 | 630 |
Branch bus | A | 630 | 125(depending on the rated current of the melter) | 630 |
Rated insulation level | kV | |||
Power Frequency Voltage Withstand (Interphase and Relative) | kV | 42 | 42 | 42 |
Power Frequency Voltage Withstand (Fracture Intersection) | kV | 48 | 48 | 48 |
Power Frequency Voltage Withstand (Control and Auxiliary Circuit) | kV | 2 | 2 | 2 |
Residual Impulse Volyage (Interphase and Relative) | kV | 75 | 75 | 75 |
Lightning Impulse Voltage Resistance (Fracture Intersetion) | kV | 85 | 85 | 85 |
Main circuit | kA | 20/3s | - | 25/2s |
Grounding circuit | kA | 20/3s | - | 25/2s |
Rated peak current | kA | 50 | - | 63 |
Rated short circuit switching current(peak) | kA | 50 | 80 | 63 |
Rated short circuit breaking current | kA | - | 31.5 | 25 |
Rated transfer current | A | - | 1700 | - |
Rated Active load breaking current | A | 630 | - | - |
Rated closed-loop switching-off current | A | 630 | - | 630 |
Rated Cable Charhing Open- Out Current | A | 10 | - | 15 |
Protection level | IP3X | IP3X | IP3X |







A: Yes, as long as the goods are conventional type, and you will be charged sample cost plus related shipping cost. Once you place an order to us, we can return or deduct the sample cost to you.
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 25-35 days upon the receipt of advance payment.
Q: What is your terms of payment?
A: We accept West Union, T/T, irrevocable L/C at sight. Prefer T/T 30% deposit before production, the balance against copy of B/L.
Q: Can you print our brand on the product?
A: Yes, of course, we also do OEM to print client's brand on the product.








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