Breaking Capacity: | Low Voltage Circuit Breakers |
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Operation: | Manual Type |
Speed: | Normal Type Circuit Breaker |
Samples: |
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Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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STN2/STN3(NSXs Style) MCCB circuit breakers 100/160/250/400/630A
STN3 series of MCCB reflects the latest current limiting principle and manufacturing technology, characterized by compact structures, full modularization, high breaking, and zero flashover. Circuit breaker is equipped with overload, short-circuit and undervoltage protection device, so as to protect the circuit and power supply equipment from damage.
Specifications
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NSXs100 | NSXs160 | NSXs250 | NSXs400 | NSXs630 | |||||||||||||||
Frame Current (A) | 100 | 160 | 250 | 400 | 630 | |||||||||||||||
Number of Poles | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | ||||||||||
Ultimate Breaking Capacity (Icu, kA) | F | N | H | F | N | H | F | N | H | F | N | H | F | N | H | |||||
AC220/240V (kA) | 85 | 90 | 100 | 85 | 90 | 100 | 85 | 90 | 100 | 40 | 85 | 100 | 40 | 85 | 100 | |||||
AC380/415V (kA) | 36 | 50 | 70 | 36 | 50 | 70 | 36 | 50 | 70 | 36 | 50 | 70 | 36 | 50 | 70 | |||||
Rated Insulation Voltage | AC800V | |||||||||||||||||||
Rated Working Voltage | AC690V | |||||||||||||||||||
Rated Current, Thermal Tripping, TMD, A | 63, 80, 100 | 80, 100, 125, 160 | 125, 160, 200, 250 | - | - | |||||||||||||||
Rated Current, Electronic Tripping, MIC, A | 40, 100 | 40, 100, 160 | 100, 160, 250 |
250, 400 |
250, 400, 630 |
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Auxiliary, Alert, Fault Accessories | OF/SD/SDE/SDx | |||||||||||||||||||
Shunt & Under Voltage Coil | MX/MN | |||||||||||||||||||
Mechanical Life | 50000 | 40000 | 20000 | 15000 | 15000 | |||||||||||||||
Electric life | 30000 | 20000 | 10000 | 6000 | 4000 |
Rated current of release(A) |
Thermodynamic release (ambient temp +40°C) |
operational current of magnetic ralease(A) |
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1.05In(cold state) in operative time(h) |
1.30(heat state) inoperative time(h) |
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In≤63 | ≥1 | <1 | 10In±20% | ||
63 | ≥2 | <2 | 10In±20% | ||
100 | ≥3 | <3 | 5-10In±20% | ||
Rated current of release(A) |
Thermodynamic release (ambient temp +40°C) |
operational current of magnetic ralease(A) |
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1.0 In(cold state) operative time(h) |
1.20(heat state) operative time(h) |
1.50(heat state) operative time(h) |
1.01(heat state) operative time(h) |
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12.5 | ≥2 | <2 | ≤4min | 2s | 12In±20% |
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