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M8
 M8 |
Product Description
M8 moulded case circuit breaker is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V, Rated operating current to 800A. 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 IEC60947-2.
| Rated current of release (A) | Thermodynamic release (ambient temp+40iC) | Operational current of magnetic release (A) | |
| 1.05In (cold state) inoperative time (h) | 1.30In (heat state) inoperative time (h) | ||
| In≤63 | ≥1 | < 1 | 10-50In±20% |
| 63 < In≤250 | ≥2 | < 2 | 10In±20% |
| 25 < In≤800 | ≥2 | < 2 | 5-10In±20% |
| Rated current of release (A) | Thermodynamic release (ambient temp+40iC) | Operational current of magnetic release (A) | |||
| 1.0In (cold state) inoperative time | 1.20In (heat state) operative time | 1.50In (heat state) operative time | 7.2In (heat state) operative time | ||
| 12.5≤In≤400 | ≥ 2h | < 2h | ≤4min | 2S<Tp≤10S | 12In±20% |
| Type | Rated Current(A) | Number of Poles | Rated Insulation Voltage (V) | Rated Operating Voltage (V) | Ultimate Short Circuit Breaking Capacity(KA) | Servies Short Circuit Breaking Capacity (KA) | operation performance ( Endurance) | Overall Dimensions | ||||||
| AC380v (400) | AC660v (690) | DC250 | AC380v (400) | AC660v (690) | Load | Unload | L | W (3P/4P) | H | |||||
| M8-125E | 12.5,16, 20, 25,32,40, 50,63,80, 100,125 | 2P, 3P, 4P | 660 | 380 660 | 15 | - | - | 7.5 | - | 3000 | 7000 | 120 | 76/101 | 70 |
| M8-125S | 25 | - | 20 | 16 | - | |||||||||
| M8-160S | 16,20,32, 40,50,63, 80,100, 125,160 | 35 | 8 | 20 | 18 | - | 4000 | 6000 | 120 | 90/120 | 70 | |||
| M8-160H | 50 | 10 | 40 | 25 | - | |||||||||
| M8-250S | 100,125, 160,180, 200,225, 250 | 35 | 10 | 40 | 18 | - | 2000 | 6000 | 170 | 105/140 | 103.5 | |||
| M8-250M | 50 | 16 | 40 | 30 | - | |||||||||
| M8-250H | 65 | 18 | 40 | 48 | - | |||||||||
| M8-400S | 200,225, 250,315, 350,400 | 35 | 16 | 40 | 18 | - | 1000 | 4000 | 254 | 140/184 | 103.5 | |||
| M8-400M | 50 | 20 | 40 | 30 | - | |||||||||
| M8-400H | 65 | 25 | 40 | 48 | - | |||||||||
| M8-630S | 400, 500, 630 | 50 | 20 | 40 | 30 | - | 1000 | 4000 | 268 | 210/280 | 103.5 | |||
| M8-630M | 65 | 25 | 40 | 48 | - | |||||||||
| M8-630H | 80 | 30 | 40 | 60 | - | |||||||||
| M8-800S | 500, 630, 700,800 | 50 | 20 | 40 | 30 | - | 1000 | 4000 | 268 | 210/280 | 103.5 | |||
| M8-800M | 65 | 25 | 40 | 48 | - | |||||||||
| M8-800H | 80 | 30 | 40 | 60 | - | |||||||||
| Company: | Yueqing Sunzheng Imp. & Exp. Co., Ltd. |
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