HA-18Way-4DCB-4SPD-White PV combiner box front view white enclosure1 / 7

PV Combiner Box

PV Combiner Box (White) 1 String Input 1 Output, 4脳 40A DC Breakers & 4脳 500V/40kA SPDs

The HA-18Way-4DCB-4SPD-White is a 1-string, 1-output PV combiner box in a white, flame-retardant plastic enclosure, built for installations that demand high-redundancy protection. It integrates four 40A DC circuit breakers for overload and short-circuit protection and four 500V DC surge protection devices, each rated at 40kA max discharge current, for multi-stage defence against lightning-induced transients. Rated IP65 against dust and water, it is built for outdoor installation on both on-grid and off-grid PV systems.

Key Features

  • 1-string PV input, 1 output configuration
  • 4 脳 40A DC circuit breakers for high-redundancy overload and short-circuit protection
  • 4 脳 500V DC SPDs, each with 40kA maximum discharge current
  • White flame-retardant hard plastic housing
  • IP65 waterproof and dustproof 鈥?suitable for outdoor installation
  • Compatible with both on-grid and off-grid PV systems

Samples available · OEM pricing on request · Ships worldwide

Technical Specifications

ModelHA-18Way-4DCB-4SPD-White
PV String Inputs1
Outputs1
DC Circuit Breaker40A (4 pcs)
Surge Protection (SPD)500V DC, 40kA (4 pcs)
Housing MaterialFlame-retardant hard plastic (white)
Protection LevelIP65 (waterproof & dustproof)
InstallationOutdoor
Applicable SystemsOn-grid / Off-grid PV systems