Products
EBS7MT moulded case circuit breaker is suitable for circuit AC50/60Hz,rated voltage up to AC 690V,rated operating current up to 630A.It features normal structure,reliable performance,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.
| Type | EBS7MT-160 | EBS7MT-250 | EBS7MT-400 | EBS7MT-630 | |
| Poles number | 3 | 3 | 3 | 3 | |
| Rated current In(A) | 16~160 | 100~250 | 250~400 | 400~630 | |
| Rated operating voltage Ue(V)(AC50/60Hz) | 690 | 690 | 690 | 690 | |
| Rated insulation voltage ui(V) | 800 | 800 | 1000 | 1000 | |
| Rated impulse withstand voltage Uimp(kV) | 8 | 8 | 8 | 8 | |
| Utillisation category | A | A | A | A | |
| Frequency withstand voltage 1 Minute | 3000 | 3000 | 3500 | 3500 | |
|
Rated limited short-circuit breaking capacity Icu(kA) |
220/230V | 25 | 50 | 70 | 70 |
| 380/415V | 16 | 36 | 36 | 36 | |
| 400V | 10 | 25 | 30 | 30 | |
| 500V | 8 | 20 | 25 | 25 | |
| 690V | 3 | 5 | 20 | 20 | |
|
Rated operating short-circuit breaking capacity Ics |
220/230V | 100% | 75% | 100% | 100% |
| 380/415V | 100% | 75% | 100% | 100% | |
| 400V | 100% | 75% | 100% | 100% | |
| 500V | 100% | 75% | 100% | 100% | |
| 690V | 100% | 75% | 100% | 100% | |
|
Rated short-circuit closing Icn(kA) |
220/230V | 52.5 | 105 | 154 | 154 |
| 380/415V | 32 | 75.6 | 75.6 | 75.6 | |
| 400V | 17 | 52.5 | 63 | 63 | |
| 500V | 13.6 | 40 | 52.5 | 52.5 | |
| 690V | 4.3 | 7.7 | 40 | 40 | |
|
Mechanical life |
operating recycle times | 25000 | 25000 | 20000 | 20000 |
| operating recycle times per hour | 240 | 240 | 240 | 120 | |
| Eectrical life | operating recycle times | 8000 | 8000 | 6000 | 5000 |
| operating recycle times per hour | 120 | 120 | 120 | 60 | |
