How to choose suitable PV Accessories?
PV Accessories are auxiliary components in photovoltaic power generation systems, which are of great significance to ensure the efficient operation, stability and safety of the system. Common photovol
• SM8HU series of molded case circuit breakers with rated voltages up to AC1000V and currents up to 400A..
• SM8HU series molded case circuit breakers have an interrupting capacity of up to 30kA at AC800V, enabling reliable system short circuit protection.
• International CertificationTUV、CCC、CB.
| Model | SM8-320HU | SM8-400HU | SM8-630HU | SM8-800HU | ||||||||
| Rated frame current Inm (A) | 320 | 400 | 630 | 800 | ||||||||
| Rated current In (A) | 125, 140, 160, 180, 200, 250, 280, 300, 315, 320 |
225,250,315,350,400 | 400,500,630 | 630,700,800 | ||||||||
| Numbers of poles | 3 | 3 | 3、4 | 3、4 | ||||||||
| Rated service voltage Ue(V)AC | 690,800,1000 | |||||||||||
| Rated insulation voltage Ui(V) | 1000 | |||||||||||
| Rated impulse withstand voltage Uimp (KV) | 8 | 12 | 12 | 12 | ||||||||
| Utimate short circuit breaking capacity Icu (kA) | 30 | 30 | 12 | 30 | 30 | 12 | 30 | 30 | 12 | 30 | 30 | 12 |
| Wiring method | 23 | 23 | 12 | 23 | 23 | 12 | 23 | 23 | 12 | 23 | 23 | 12 |
| Mechanical life(No.Operations) | Top in and bottom out | |||||||||||
| Electrical life(No. Operations) | 1000 | 1000 | 1000 | 1000 | ||||||||
| Availbility of isolation characteristics | 2000 | 2000 | 2000 | 2000 | ||||||||
| Standards | Yes | |||||||||||
| Allowable ambient temperature | IEC 60947-2.GB/T 14048.2 | |||||||||||
| Degree of protection | -40~+70℃ | |||||||||||
| Available accessories | IP20 | |||||||||||
| Arcing distance (mm) | Auxiliary contacts, alarm contacts, shunt release, manual operation, electric operation | |||||||||||
| Instantaneous action value | 10In | |||||||||||
| Dimensions L xWxH (mm) | 180×107×126 (3P) | 258×150×107 (3P) | 280×210×115.5 (3P) | 280×210×115.5 (3P) | ||||||||
| Installation methods | Fixed or withdrawable | |||||||||||
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