BriefKey FeaturesTechnical

String Combiner Boxes

String combiner boxes, collates multiple strings of solar PV modules in order to give a single main output to inverters. The combiner box house many components such as a Fuses, Disconnector switch, surge protection device, cables & busbars.

Solaris offers a wide range of string combiner solutions to cater the needs of residential, commercial and utility-scale projects i.e from 600 V DC to 1500 V DC designs.

Solaris combiner box is available in various customizable configurations, designed & built with top quality components & workmanship at our ISO 9001 factory (In process) and comply with IEC & UL standards.

Strict engineering design rules & our world class manufacturing facility helps is building a high quality product with unmatched level of reliability at a competitive price thereby ensuring a long product life in challenging environmental conditions.

Further, Solaris backs it product with commissioning, maintenance and service support in order to achieve maximum yield from a solar plant across its life cycle.


Key Features – SMB

Up to 24 Input Strings (Configurable) 600 V DC to 1500 V DC
FRP or PC enclosures ≥ IP 65, NEMA 4x enclosures
Touch safe fuse holders Pressure equalization vents/Breathers
Surge protection device DC disconnector switch
Available with MC4 or Glands Protection cover for live contacts
FRP or PC enclosures Operating temperature: (-25°C) – (+85°C), ±0.5°C
Unique serial no. for every product 100% factory tested product (HV test, IR test, Functionality test)
5 years warranty Complies with UL & IEC standards

Technical Specifications

Solaris String Combiner Boxes

Solaris String Monitoring Box specs