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Grey steel wall box with rotary lock and six cable glands

VEVOR

VEVOR PV Combiner Box 6 String 15A Fuse 125A Breaker 40KA SPD IP65 Steel Case

SKU CH-MFYP-4EXZG

Six-string PV combiner box with 15 A fuses, 125 A breaker and 40 kA surge protector in an IP65 steel enclosure

  • TypeOther Appliances
  • Width12.99
  • Six-string input simplifies array wiring with 15 A fuses per string
  • 125 A main breaker isolates the entire array for safe maintenance
  • 40 kA surge protector clamps transients at DC 500 V
  • IP65 steel enclosure resists dust and water ingress
  • Detachable mounting plate and four brackets speed up wall installation

6-String PV Combiner Box

This PV combiner box consolidates up to six solar strings into a single output for on-grid or off-grid systems. It is built for installers and system owners who need a protected DC junction point rated to 500 V. The steel enclosure provides IP65 dust and water resistance for outdoor mounting.

Rotary-Lock Door and Pre-Wired Connectors

The door opens with a rotary lock and the mounting plate is detachable for easier wiring access. Six MC4 male and female connector pairs with 2.5 mm² leads are included, along with PG13.5 and PG9 cable glands. A supplied MC4 tool helps secure connections, reducing the risk of loose crimps that can cause overheating.

DC 500 V Component Limits

All internal protection devices are rated for DC 500 V maximum. The six string fuses are 15 A each, the main circuit breaker is 125 A, and the surge protector clamps at 40 kA. Systems with string currents above 15 A or array voltages exceeding 500 V cannot use this box without additional external protection.

Highlights

  • Six-string input simplifies array wiring with 15 A fuses per string
  • 125 A main breaker isolates the entire array for safe maintenance
  • 40 kA surge protector clamps transients at DC 500 V
  • IP65 steel enclosure resists dust and water ingress
  • Detachable mounting plate and four brackets speed up wall installation

Specifications

TypeOther Appliances
Width12.99

Questions about this item

How can I confirm the 6 string PV combiner box is working correctly after installation?

Verify the 125 A 2P DC 500 V main breaker stays closed, each 15 A DC 500 V fuse holder shows continuity, and the 40 kA 2P DC 500 V surge protector indicator remains green; the IP65 sealed steel case with PU foam strip should show no moisture ingress.

What components are included in the package and what must be purchased separately?

Included: 6 MCB female connectors with red 2.5 mm² wire, 6 MCB male connectors with blue 2.5 mm² wire, 2 PG 13.5 glands, 1 PG9 gland, 1 MC4 tool, 4 powder-coated steel mounting brackets, 4 screws. Solar cables, PV modules and mounting hardware for the brackets are not included.

Which version should I choose for a 6 string array at DC 500 V?

The single model SP-HL-S252810-15A provides 6 inputs, 1 output, 15 A fuses, 125 A breaker, 40 kA SPD and IP65 rating — select it when your array matches those exact specifications.

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