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Outback Rapid Shudown and Arc Fault solution for 4 charge controllers


The Outback Power ICSPLUS-4 is a completely integrated combiner solution for PV rapid shutdown with arc fault circuit interrupter (AFCI) capability and meets all UL 1741 requirements for photovoltaic rapid shutdown systems (PVRSS). It also meets the required National Electric Code sections: 690.11, 690.12, and 690.15. The system is rated for a maximum of 600 Volts DC which will accommodate the vast majority of solar installations. The ICSPLUS-4 includes four combiner boxes (FWPV6-FH600-SDA), rapid shutdown initiator (RSI), DC breaker control and power supply (BKR-CTRL-DC), and a relay-trip breaker (PNL-75Q-DC-RT).

Out of stock

SKU: ICSPLUS-4 Category:



  • PV rapid shutdown system listed to UL 1741 & meets NEC 690.11, 690.12, and 690.15
  • Supports up to twenty-four PV strings
  • Compatible with both off-grid and grid-tied solar systems
  • The arc fault circuit interrupter (AFCI) is listed to UL 1699B
  • NEMA 3R enclosure for outdoor and indoor installation


Combiner Box Specifications:

  • Four combiner boxes will support up to twenty-four input PV strings
  • Maximum current: 96 Amps per combiner box
  • Voltage rating: 600 Volts DC maximum
  • Includes twelve DIN rail fuse holders (fuses sold separately)
  • Dimensions: 15.5″H x 19.5″W x 4.5″D
  • Weight: 12 pounds each
  • NEMA 3R enclosure

Rapid Shutdown Initiator Specifications:

  • Controls up to six FWPV6-FH600-SDA combiner boxes
  • Controls up to two relay-trip breakers
  • LED indications: solar on, solar off, and AFCI
  • Dimensions: 14.1″H x 7.3″W x 3.75″D
  • Weight: 4 pounds

DC Breaker Control & Power Supply Specifications:

  • To be installed in the PV system load center (see user manual for mounting information)
  • Powers up to two relay-trip breakers and six ICS Plus combiner boxes
  • Nominal battery voltages supported: 24, 32, 36, and 48 Volts DC

Relay-Trip Breaker Specifications:

  • Rated for 75 Amps, 300 Volts DC
  • Number of poles: four
  • Terminals: 1/4″ studs