4-String PV Combiner Box MC4 Waterproof Ventilation Valve

BAYM IP65 4 In 1 Out 4 String Solar PV Array Plastic DC Combiner Box, 15A 1000V Fuse, Lightning Surge Protection, 63A 6ka MCB Lock Indicator
***Model: BM-PV4
***Box dimension: 9.66″x6.69″x4.33″ (230*170*110mm)
***System maximum dc voltage:550
***No. of Max. PV array: 4
***Max Input Current of Single PV Array: 15A
***Total input current of PV array: 60A
***Number of output strings:1
***Nominal discharge current:20KA
***Maximum discharge current:40KA
***Voltage protection level:2.8KV/3.8KV
***Max Input Voltage of Single PV Array:600V
***Max Output Voltage:600V
***MC4 Connectors/dc fuse/dc surge protector:Standard
***Box material:ABS
***Installation method:Wall mounting type
***Operating Temperature:-30℃~+70℃
***Relative Humidity: 0-95%
*** Surge Lightning Protection: Yes
*** Waterproof Grade: IP65
***Weight:4.41lbs(2kg)

P.S.: Waterproof IP67 ventilation valve can be dustproof, breathable, heat dissipation.

Package Includes:
1 x 4 String PV Combiner Box
4 x MC4 Connectors
4 x Mounting Buckles
4 x Expansion Screws
4 x Screws
1 x Security Lock
1 x User Manual

Installation & Maintenance
1. Usage instruction: connect solar panel positive and negative with box input port respectively, please switch the DC MCB at ON. Suggesting using a cable that more than 10mm2.
2. Don’t connect PV input and output port reverse, otherwise, the output equipment couldn’t normally work, moreover damage other equipment.
3. When maintaining or testing this combiner box, please notice the input and output port maybe with power, please be careful of electric shock or damage to other equipment.
4. After thunder weather, please check the anti-thunder module, if the malfunction indicator is red, please replace the module in time.

5. Please use a bolt to fix the 4 holes on the combiner box bottom to install it. Please install at aeration drying place, avoid direct sunshine, high environmental temperature, and moisture influence equipment function.
6. This combiner box connects with the ground line to prevent thunder damages equipment and solar panel.

Question: I have 4 solar panels rated at 250w each, 8.2 amps each, max amps system produces- 38 amps, max voltage 880 watts. The 4 strings should work correctly?
Answer: Yes, the 4-string combiner box works for your system.

Question: Can this safely be mounted flat on an RV roof with cable entry points facing away from the direction of travel?
Answer: No

Question: Where does the 8’ grounding rod wire connect?
Answer: It goes to a grounding rod or a buss bar grounding

Question: what is the largest size of wire your box will receive between your box and the charge controller?
Answer: At least a number AWG 6.

Question: What size output wire fits through the connector?
Answer: 8awg

Question: Can Combiner be mounted outdoors in direct sunshine?
Answer: YES