| Customization: | Available |
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| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Manual Type |
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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.
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Specifications
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STN3-100N | STN3-160N | STN3-250N | STN3-400N | STN3-630N | |||||||||||||||
| 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 | |||||||||||||||
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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% | ||
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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% |
FAQ
Q 1. what's the payment term?
A. We accept TT,30% deposit and 70% balance agaisnt copy of BL
Q 2. how's the delivery time ?
A. usually it will take about 25 days for production
Q 3. tell me the standard of package?
A. Normally are cartons, but also we can pack it according to your requirement.
Q 4.Would you accept to use our logo ?
A.If you have good quantity,it absolute no problem to do OEM.
Q5. Can i take some samples?
A: Yes, we support to take samples before place the order. Just feel free to contact with us if you have any requirements.
Q6. Are you original Factory?
A: Yes, we have our own factory .
Q7. How can you make sure the quality of the products?
A: We will accord to international quality standards to inspect every item before leaving our factory.
Thanks for your reading.If any product meets your need.Welcome to send us an email.We are sure your any information can be attentioned without any delay.
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