We recommend the inverter around have a minimum clearance, so that better to heat dissipation and wiring operation, as shown below:
LS 3000H/LS 4000H/LS 5000H/LS 3000HD Install the inverter onto the bracket
/LS 4000HD/LS 5000HD support bracket
Fix safety nut
1：About your SL7-63 Non-polarity DC MCB ,what’s the meaning of non-polarity ?
Non-polarity means the wiring ways ,no matter of Positive ,Negative ,you can wire as you like .
2：Do your SRD-30 have indicate sign to show fuse status ?
Yes ,when the light is green it means work normally ,get red means the fuse was broken .
3：The warranty of 3 poles SUP2-PV and working environment ?
5 years and -40 ℃~ +80℃
4：What’s your MC4 material and protection level ?
Our material is PPO and protection level is IP67