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Interior wiring of the TPX7-M 8-string DC1000V combiner box with the enclosure door open
Interior wiring of the TPX7-M 8-string DC1000V combiner box with the enclosure door open
TPX7-M 8/1 DC1000V PV combiner box in an IP65 cold-rolled steel enclosure
DC string fuses, MCCB, and SPD inside the TPX7-M 8-in-1-out DC1000V PV combiner box

TPX7-M Metal PV Combiner Box 8 In 1 Out DC1000V

8-in-1-out · DC1000V · IP65 cold-rolled steel enclosure — Engineered to align with IEC 61439; protection components designed to IEC 60947-2, IEC 61643-31, IEC 60269-6

  • 8 string inputs combined into 1 protected DC output
  • Rated DC1000V, output current up to 250 A
  • IP65 / IK10 cold-rolled steel enclosure for outdoor harsh-climate use
  • MC4 or cable-gland entry · -25°C to +60°C operating range
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Product Overview

The TPX7-M 8-in-1-out PV combiner box consolidates eight DC string inputs into a single protected output rated up to 250 A at DC1000V, housed in an IP65 cold-rolled steel enclosure. Designed for medium-to-large commercial, industrial, and ground-mount solar arrays, it integrates string-level DC fuses, a DC MCCB on the combined output, and a DC surge protective device (SPD) in one wall-mounted unit. The steel enclosure and IK10 impact rating suit outdoor installation in the high-temperature, high-dust conditions common across the Middle East, Africa, and Southeast Asia. With MC4 or cable-gland entry and a -25°C to +60°C operating range, the TPX7-M 8/1 is built for harsh-climate deployment. TYPLE manufactures this combiner box at its Liushi, Wenzhou facility, with 10+ years in low-voltage electrical production and OEM customization available on string current, output rating, and enclosure branding.

TPX7-M 8strings(8/1) Technical Specifications

Parameter Specification
Configuration 8 in 1 out
Rated voltage (Ue) DC1000V
Max. input current per string 15 / 20 / 25 / 30 A
Rated output current 160 / 180 / 200 / 225 / 250 A
Enclosure material Cold-rolled steel
Protection rating IP65 (per IEC 60529)
Impact rating IK10
Connectors MC4 or cable gland (PG)
Installation Wall mounting
Operating temperature -25°C to +60°C
Relative humidity ≤95%
Altitude ≤2000 m
Dimensions 510 × 550 × 180 mm
Reference Standards MCCB: IEC 60947-2 · SPD: IEC 61643-31 · Fuse-combination unit: IEC 60947-3 · Fuse-link: IEC 60269-6 · IP65 per IEC 60529

Built-in Protection Components

Component Key ratings Standard
DC MCCB (×1) Ue DC1000V, Ui DC1600V, In 160–250 A, Icu 20 kA IEC 60947-2
DC SPD (×1) Ue DC1000V, In 20 kA / Imax 40 kA (8/20 µs), Up 3.6 kV IEC 61643-31
DC Fuse (×8) Ue DC1000V, In 15–30 A, 10×38 mm IEC 60269-6 (link) / IEC 60947-3 (unit)

 

send your system specs (string count, voltage, current) and receive a tailored solution within 24 hours.

What's Inside the TPX7-M Series Combiner Box

TPX7-M combiner box exploded view showing enclosure, DC disconnect, SPD, copper busbar and fuses

  • 8 × DC fuse holders — one per string for string-level overcurrent protection (15–30 A, 10×38 mm gPV fuses)
  • 1 × DC MCCB — disconnection and overcurrent protection on the combined output (160–250 A, Icu 20 kA)
  • 1 × DC SPD — Type 2 surge protection on the DC side (Imax 40 kA, Up 3.6 kV)
  • Output busbar & terminals — single combined DC output to the inverter

TPX7-M 8/1 Applications

  • Commercial & industrial rooftop — combines up to 8 strings into one output for mid-to-large C&I systems needing centralized DC protection.
  • Ground-mount & utility arrays — steel enclosure and 250 A output capacity suit larger ground-mount blocks.
  • Off-grid & microgrid (Middle East / Africa) — IP65 / IK10 steel build withstands high-temperature, high-dust sites.

OEM & Customization

TYPLE offers flexible OEM and ODM services for PV combiner boxes, including custom string configurations, enclosure branding, and component selection. Backed by the Liushi low-voltage electrical supply hub, we deliver customized solutions with short lead times.
For the TPX7-M 8/1, common customizations include:

  • String current rating (fuse selection 15–30 A)
  • Output rating (MCCB selection 160–250 A)
  • SPD type and rating
  • Enclosure branding / private label
  • Connector type (MC4 or cable gland)

FAQs

How many strings does the TPX7-M 8/1 combiner box support?

The TPX7-M 8/1 combines eight DC string inputs into one protected DC output at DC1000V.

What is the maximum output current?

The combined output is rated up to 250 A, selectable in 160 / 180 / 200 / 225 / 250 A via the DC MCCB.

Does the combiner box include surge protection?

Yes. It includes a DC surge protective device (SPD) rated Imax 40 kA (8/20 µs) with a 3.6 kV protection level, designed to IEC 61643-31.

What protection rating does the enclosure have?

The cold-rolled steel enclosure is rated IP65 (per IEC 60529) and IK10 for impact resistance, suitable for outdoor installation.

Is the combiner box certified?

The TPX7-M 8/1 is engineered to align with IEC 61439; its protection components are designed to IEC 60947-2, IEC 61643-31, and IEC 60269-6, and built with components sourced from certified supply chain partners. Component certificates are available on request through TYPLE’s qualified partner suppliers.

Can the configuration be customized?

Yes. String current, output rating, SPD rating, connector type, and enclosure branding can be customized for OEM and project orders.

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