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Moulded Case Circuit Breaker (HKKMB-1253P)
 Moulded Case Circuit Breaker (HKKMB-1253P) |
Product Description
HKKMB Moulded case circuit breaker is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V, Rated operating current up to 1600A.
It features normal structure, reliable performance, complete accessories & high breaking capacity, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC947-2.
| 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 ≤ 250 | ≥ 2 | < 2 | 10In ± 20% |
| 25< In ≤ 800 | ≥ 2 | < 2 | 5In-10In ± 20% |
| Type | Rated current (A) | Rated insulating voltage | Pole number | Rated operating voltage | Ultimate short circuit breaking capacity 1cu KA | Service short circuit breaking capacity 1cu KA | |||
| AC380V (400) | AC660V (690) | DC250V | AC380V (400) | AC660V (690) | |||||
| HKKMB-125E | 12.5,16,20,25, 32,40,50,63, 80,100,125 | 600V | two three four | 380V 660V | 15 | - | - | 7.5 | - |
| HKKMB-125S | 25 | - | 20 | 16 | - | ||||
| HKKMB-160S | 16,20,32,40, 50,63,80,100, 125,160 | 35 | 8 | 20 | 18 | - | |||
| HKKMB-160H | 50 | 10 | 40 | 25 | - | ||||
| HKKMB-250S | 100,125, 160,180, 200,225, 250 | 35 | 10 | 40 | 18 | - | |||
| HKKMB-250M | 50 | 16 | 40 | 30 | - | ||||
| HKKMB-250H | 65 | 18 | 40 | 48 | - | ||||
| HKKMB-400S | 200,225, 250,315, 350,400 | 35 | 16 | 40 | 18 | - | |||
| HKKMB-400M | 50 | 20 | 40 | 30 | - | ||||
| HKKMB-400H | 65 | 25 | 40 | 48 | - | ||||
| HKKMB-630S | 400,500, 630 | 50 | 20 | 40 | 30 | - | |||
| HKKMB-630M | 65 | 25 | 40 | 48 | - | ||||
| HKKMB-630H | 30 | 30 | 40 | 60 | - | ||||
| HKKMB-800S | 500,630, 700,800 | 50 | 20 | 40 | 30 | - | |||
| HKKMB-800M | 65 | 25 | 40 | 48 | - | ||||
| HKKMB-800H | 80 | 30 | 40 | 60 | - | ||||
| HKKMB-1250S | 630,700, 800,1000, 1250 | 55 | 25 | 40 | 35 | - | |||
| HKKMB-1250M | 70 | 28 | 40 | 50 | - | ||||
| HKKMB-1250H | 95 | 35 | 40 | 75 | - | ||||
| HKKMB-1600S | 800,1000, 1250,1600 | 55 | 25 | 40 | 5 | - | |||
| HKKMB-1600M | 70 | 28 | 40 | 50 | - | ||||
| HKKMB-1600H | 95 | 35 | 40 | 75 | - | ||||
| Model NO.: | HKKMB-1253P |
| Company: | Zhejiang Dahua Switch Factory |
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