Moulded Case Circuit Breaker (HKKMS-250N4P)
![]() Moulded Case Circuit Breaker (HKKMS-250N4P) |
Product Description
HKKM-S moulded case circuit breaker is one of the most advanced type breakers in the world, which adopts international advanced design and manufacture technology. They are suitable for short circuit and overload protection in circuit of AC 690V 50/60Hz, rated current from 12.5A to 1600A. It takes protect effect when mouse cage motors non-frequent start, breaking off working and protecting overload, short circuit and lacking voltage.
| Rated current of release (A) | Thermodynamic release (ambient temp+40 ° C) | Operational current of magnetic release (A) | |
| 1.05In (cold state) inoperative time (h) | 1.30In (heat state) inoperative time (h) | ||
| In ≤ 63 | ≥ 1 | < 1 | 10In ± 20% |
| 63 ≤ In _ 100 | ≥ 2 | < 2 | 10In ± 20% |
| 100 ≤ In _ 630 | ≥ 2 | < 2 | 5In-10In ± 20% |
| Rated current of release (A) | Thermodynamic release (ambient temp+40 ° C) | Operational current of magnetic release (A) | |||
| 1.0In (cold state) not operative time (h) | 1.20In (heat state) operative time (h) | 1.50In (heat state) operative time (h) | >1.01In (cole state) operative time (h) | ||
| 12.5 ≤ In ≤ 400 | ≥ 2 | ≥ 2 | 4min ≤ | 2S < Tp ≤ 10S | 12In ± 20% |
| Type | Rated current | Poles | Rated insulating voltage (V) | Rated operating voltage (V) | Arcing over distance (mm) | Ultimate short circuit breaker capacit | Servies short circuit breaker capacity | Operating performance (times) |
| HKKM-S-100D | 12.5,16, 20,25,32, 40,50,63, 80,100 | 3.4 | 950 | 690 | 0 | 18 | 18 | 1500 8500 |
| HKKM-S-100N | 25 | 25 | ||||||
| HKKM-S-100H | 70 | 70 | ||||||
| HKKM-S-100L | 150 | 150 | ||||||
| HKKM-S-160D | 16,20,25, 32,40,50, 63,80,100, 125,160 | 25 | 25 | 1500 7000 | ||||
| HKKM-S-160N | 36 | 36 | ||||||
| HKKM-S-160H | 70 | 70 | ||||||
| HKKM-S-160L | 150 | 150 | ||||||
| HKKM-S-250D | 160,180, 200,225, 250 | 25 | 25 | 1000 7000 | ||||
| HKKM-S-250N | 36 | 36 | ||||||
| HKKM-S-250H | 70 | 70 | ||||||
| HKKM-S-250L | 150 | 150 | ||||||
| HKKM-S-400D | 200,225, 250,300, 315,400 | 35 | 35 | 1000 4000 | ||||
| HKKM-S-400N | 45 | 45 | ||||||
| HKKM-S-400H | 70 | 70 | ||||||
| HKKM-S-400L | 150 | 150 | ||||||
| HKKM-S-630D | 315,350, 400,500, 600,630 | 35 | 35 | 1000 4000 | ||||
| HKKM-S-630N | 45 | 45 | ||||||
| HKKM-S-630H | 70 | 70 | ||||||
| HKKM-S-630L | 150 | 150 | ||||||
| HKKM-S-1250D | 630,700, 800,1000, 1250 | 50 | 50 | 500 2500 | ||||
| HKKM-S-1250N | 65 | 65 | ||||||
| HKKM-S-1250H | 85 | 85 | ||||||
| HKKM-S-1250L | 160 | 160 | ||||||
| HKKM-S-1600D | 80,1000, 1250, 1600 | 50 | 50 | 500 2500 | ||||
| HKKM-S-1600N | 65 | 65 | ||||||
| HKKM-S-1600H | 85 | 85 | ||||||
| HKKM-S-1600L | 160 | 160 |
| Model NO.: | HKKMS-250N4P |
| Company: | Zhejiang Dahua Switch Factory |
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