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CHINT NM1-630S/630H 3P/4P Molded Case Circuit Breaker
Brand：Chint
Country：Made in China
Model：NM1-630
Frequency：50/60Hz
Breaking Capacity：35kA – 100kA
Rated Voltage：690V
Type：MCCB
Country：Made in China
Model：NM1-630
Frequency：50/60Hz
Breaking Capacity：35kA – 100kA
Rated Voltage：690V
Type：MCCB
Where to Use NM1?
The CHINT NM1-630S/630H 3P/4P Molded Case Circuit Breaker is designed for industrial power distribution, commercial building panels, motor protection circuits, and infrastructure projects. With rated current range of 10A - 1250A and AC 690V rating, this molded case circuit breaker provides reliable protection against overload, short-circuit, and undervoltage conditions. Perfect for ensuring electrical safety in demanding environments.
Why Choose NM1 Series?
- IEC/EN60947-2 Certified - Complies with international safety standards (CE, KEMA, EAC approved)
- Reliable Breaking Capacity - High fault current interruption capability up to 100kA
- Flexible Configuration - 3P / 4P (3-Pole / 4-Pole) pole options, adjustable current settings
- Chint Original Quality - Direct from China's leading electrical manufacturer
- Easy Maintenance - Modular design allows quick replacement of accessories
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Series | NM1 |
| Type | Molded Case Circuit Breaker (MCCB) |
| Rated Current | 10A - 1250A |
| Rated Voltage | 690V AC |
| Pole Configuration | 3P / 4P (3-Pole / 4-Pole) |
| Standard | IEC/EN 60947-2 |
Frequently Asked Questions
Q: What is the difference between MCCB and ACB?
A: MCCB (Molded Case Circuit Breaker) is used for currents up to 1600A in distribution panels. ACB (Air Circuit Breaker) handles higher currents (1000A-6300A) and is used in main power distribution boards. Choose MCCB for branch circuits and ACB for main incoming power.
Q: How do I select the right current rating?
A: Calculate your maximum load current and add 20-25% safety margin. For motor applications, consider the inrush current (typically 6-8 times rated current). NM1 series offers multiple ratings from 10A - 1250A to match your needs.
Q: Can NM1 be used for motor protection?
A: Yes, NM1 series supports motor protection with adjustable thermal-magnetic trip units. Select a rating that accommodates the motor's starting current while providing overload protection during normal operation.
Need Technical Support? Our engineers can help you select the right model. Contact us at sales@sntelec.com or WhatsApp +86-18019187010.
Description
Additional information
| Weight | 2 kg |
|---|---|
| Dimensions | 25 × 25 × 25 cm |
| Rated Current |
450A 500A 630A |
| Poles Number |
3 Pole 4 Pole |
