Machinery & Equipment
DAM2 Electronic MCCB
Description
DAM2E CM1 electronic adjustable moulded case circuit breaker offers three-stage protection with an electronic release. Parameters for overload long-time delay, short-circuit short-time delay, and instantaneous protection can be set via DIP switches. Suitable for AC 400V systems, rated current range 63A to 1250A, available in standard and high breaking capacity types, with various accessories.
Specifications
| Pole | 3,4 |
| Usage Category | A or B |
| Pollution degree | 3 |
| Ambient temperature | -5℃ to +40℃ |
| Rated Current In(A) | 63,80,100 / 225,250 / 300,400 / 500,630 / 700,800 / 1000,1250 |
| Installation category | III (main circuit), II (auxiliary/control circuit) |
| Frame Rated Current Inm(A) | 100, 250, 400, 630, 800, 1250 |
| Overload long delay time t1 | 12, 60, 80, 100 s |
| Rated Insulation Voltage Ui(V) | 800 |
| Overload long delay setting lr1 | (30~100)A, (100~250)A, (200~400)A, (400~630)A, (630~800)A, (800~1250)A |
| Rated Operational Voltage Ue(V) | AC400 |
| Short-circuit short delay time t2 | 0.06, 0.1, 0.2, 0.3 s |
| Short-circuit short delay setting lr2 | (2~12)In |
| Instantaneous short circuit setting lr3 | (4~14)In |
| Rated Impulse Withstand Voltage Uimp(V) | 8000 |
| Rated limit short circuit breaking capacity Icu(kA) | 50/85 (100A), 50/85 (250A), 65/100 (400A), 65/100 (630A), 65/100 (800A), 80 (1250A) |
| Rated running short circuit breaking capability Ics(kA) | 35/50 (100A), 35/50 (250A), 42/65 (400A), 42/62 (630A), 42/62 (800A), 50 (1250A) |
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