
2, 3 or 4-String Compact Solar Combiner Box - 300V Breakers
2, 3 or 4-String Compact Solar Combiner Box - 300V Circuit Breakers Series: CSCB-CB300 Features Models for 2, 3 or 4 String Configuration Continuous Duty Rated at 300V DC Max String Voltage Optional Lightning/Surge Module Touch-safe Circuit Breakers All UL Compliant Components Used Weatherproof, Non-conductive Box Includes Input/Output Circuit Cable Glands (Not Installed) Description CSCB-CB300 Series - Compact, Solar Power Combiners feature a weatherproof, non-conductive enclosure. Models are available for 2, 3 or 4 string configuration, 5, 10, 12, 15 or 20 Amp circuit breakers. The solar circuit breakers are rated for 300V DC continuous duty per string maximum. Specifications Operating Temperature: -40 to 130 ºF (-40 to 60 ºC)Enclosure Size: 2-String Models: 8 x 6 x 5"3 and 4-String Models: 12 x 8 x 5"Enclosure: Material: PC/PBT Blended PlasticEnclosure Rating: NEMA 4X, UL ListedInput Circuits 2, 3 or 4Input Solar Cable Size 10-14 AWG Output Wire Size 2/0-14 AWG Max String Voltage Rating 300V DCCircuit Breaker Rating 5, 10, 12, 15 or 20 Max Total DC Output Current 2-String Model (2 X Breaker Size= Max Output Amps)3-String Model (3 X Breaker Size= Max Output Amps)4-String Model (4 X Breaker Size= Max Output Amps) Optional Lightning/Surge Module (LM) Specification. Type of Design: Silicon Oxide Varistor 500VMaximum number of surges: UnlimitedResponse time one milliamp test: 5 nanosecondsResponse time to clamp 10,000 amps: 10 nanosecondsResponse time to clamp 50,000 amps: 25 nanosecondsMaximum Current: 60,000 amp Please Note: Output cable glands shown are included but not installed. You must drill holes to use the glands. We do not install them so you can select the output location and also have the option of using a conduit fitting for the output wire path.