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Application
KLM8 series MCCB is one of new products developed and manufactured by adopting international advanced technology. It is supplied with rated insutaling voltage 690V and used for circuit of AC 50/60Hz, rated operating voltage AC 415V or below, rated opereating current from 16A to 250A. It is designed for protection of electric circuit, motors, transformers and other equipments. The products conforms to IEC60947-2 standard.
Specification
| Type | KLM8-160X | KLM8-160 | KLM8-250 | KLM8-400 | KLM8-630 | |
| Poles number | 3 | 3 | 3 | 3 | 3 | |
| Rated current In(A) | 20~160A | 50~160A | 100~250A | 200~400A | 315~400A | |
| Rated working voltage Ue(V) (50/60Hz) | 690 | 690 | 690 | 690 | 690 | |
| Rated insulation voltage Ui(V) | 800 | 800 | 800 | 800 | 800 | |
| Rated impulse withstand voltage Uimp(KV) | 8 | 8 | 8 | 8 | 8 | |
| Utilisation category | A | A | A | A | A | |
| Rated ultimate short-circuit breaking capacity Icu(KA) | AC 220/240V | 65 | 65 | 65 | 65 | 65 |
| AC 380/415V | 40 | 40 | 40 | 40 | 40 | |
| AC 690V | 8 | 12 | 12 | 12 | 12 | |
| Rated short-circuit service breaking capacity Ics(KA) | AC 220/240V | 65 | 65 | 65 | 65 | 65 |
| AC 380/415V | 40 | 40 | 40 | 40 | 40 | |
| AC 690V | 4 | 6 | 6 | 6 | 6 | |
Thermomagnetic
T(thermal)
M(maghetic)
| KLM8-160X | KLM8-160 | KLM8-250 | ||||||
| In | T adjustable (0.8~1.0In) | M fixed | In | T adjustable (0.8~1.0In) | M adjustable | In | T adjustable (0.8~1.0In) | M adjustable |
| 20A | 16~20A | 300A | 50A | 40~50A | 300~600A | 200A | 160~200A | 1000~2000A |
| 32A | 25~32A | 300A | 63A | 50~63A | 300~600A | 250A | 200~250A | 1200~2500A |
| 40A | 32~40A | 600A | 80A | 63~80A | 400~800A | |||
| 50A | 40~50A | 600A | 100A | 80~100A | 500~1000A | |||
| 63A | 50~63A | 600A | 125A | 100~125A | 625~1250A | |||
| 80A | 63~80A | 1000A | 160A | 125~160A | 800~1600A | |||
| 100A | 80~100A | 1000A | ||||||
| 125A | 100~125A | 1000A | ||||||
| 160A | 125~160A | 1500A | ||||||
| KLM8-400 | KLM8-630 | ||||
| In | T adjustable (0.8~1.0In) | M adjustable | In | T adjustable (0.8~1.0In) | M adjustable |
| 200A | 160~200A | 1000~2000A | 315A | 250~315A | 1575~3150A |
| 250A | 200~250A | 1200~2500A | 400A | 315~400A | 2000~4000A |
| 315A | 250~315A | 1575~3150A | 500A | 400~500A | 2500~5000A |
| 400A | 315~400A | 2000~4000A | 630A | 500~630A | 3250~6500A |
Outline and Installation Dimension
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