Description
MidNite Solar CLASSIC 250-SL MPPT Solar Charge Controller
| Nominal Battery Voltage | 12 through 72 volts on Classic SLs |
|---|---|
| Maximum Output Current | 61A @ 12V, 62A @ 24V, 55A @ 48V and 43A @ 72V battery |
| PV Open Circuit Voltage VOC | 250V + HyperVOC (battery voltage up to 48V) |
| Power Conversion Efficiency | 98% (Typical system) |
| Maximum Stand-By Self-Consumption (12V) |
2.8W – 4W |
| Reverse Current at Night | Zero – internal relay for reverse current |
| Low Battery Voltage | Low battery voltage disconnect and re-connect of loads fully programmable with 2 auxiliary outputs to control external load disconnect / re-connect switches |
| HyperVOC | Standard all models – extended VOC range for cold climates |
| Ground Fault Protection | Standard all models – resettable, no fuse to blow |
| Charging Regulation | Bulk, Absorb, Float, as well as Equalization |
| Battery Voltage Regulation Set Points | 10–100VDC |
| Equalization Charging | Adjustable voltage and duration, manual or auto |
| PV Reverse Polarity | Protected to Max VOC (Classic MPPT Charge Controllers are fully protected from reverse current on both input and output) |
| Battery Reverse Polarity | Fully protected |
| Battery Short Circuit | Fully protected |
| Battery Temp Compensation | Automatic when BTS is installed, adjustable mV per degree °C per 2V cell |
| Programmable Auxiliary Control Output |
2 auxiliary outputs: Aux1 can be 12V out or dry contact, Aux2 is 12V out or Logic IN |
| Graphic Display | Graphical display |
| Networking Cabling | Standard 4 conductor phone cable, no hub needed |
| Communications | RS232 and ModBus openly published protocol |
| Remote Display | Display (MNGP) can be relocated and a second display can be added |
| Terminal Rating | 167°F |
| Data Logging | 380 days of daily history, 24 hours of data at 5-minute intervals |
| Positive Ground Applications | Requires 2-pole input and output breakers |
| Operating Temperature | Minimum −40°F to 122°F– controller will auto-derate as temperature rises above 77°F |
| Environmental Rating | Indoor type IP30 (The Classic is IP22 rated to 60529 when used with Classic Drip Shield) |
| Conduit Knock Outs | Single 1″ conduit (35.05mm) on left and right sides, two 1″ conduit (35.05mm) on bottom, two 3/4″ conduit (27.76mm) on back |
| Weight & Dimensions | 12 lbs – 14.9 in × 6 in × 4 in |
| Options | MNGP graphical display, 3 ft networking cable (NOTE: MNGP standard with all Classic SL models) |
| Certifications | Listed by ETL for US & Canada, CE Certified, FCC Class B, IEC62109 pending |
