The Classic SL-250 MPPT Charge Controller is a simplified SOLAR ONLY version of the Classic 250 with streamlined menus. The Classic SL-250 has a graphics panel and ground fault but no arc fault or Ethernet capabilities. The Classic SL-250 has a maximum output current of 63 amps, an operating voltage of 250 volts and works with 12 to 72 volt battery systems. As with the whole Classic line, the Classic 250-SL has MidNite's exclusive HyperVOC which extends VOC limits when needed. With a streamlined menu, these SOLAR only MPPT charge controllers are easy to setup and a breeze to install.
Features
- Exclusive HyperVOC Extends VOC Limits
- Built in DC-Ground Fault Protection
- Optional Battery Sensor for temperature correction on battery charging
- Type 1 environmental rating
- Low Battery Voltage disconnect and re-connect of loads fully programmable with 2 auxiliary output to control external load disconnect/re-connect switch
- Hyper VOC standard all models - extended VOC range for cold climates
- Arc fault protection - standard on classic, 0.25 seconds detect and trip speed
- Ground fault protection - standard all models - resettable, no fuse to blow
Specifications
- 
Nominal Battery Voltage: 72 V
- 
Maximum Output Current:
- 61 A on 12 V
- 62 A on 24 V
- 55 A on 48 V
- 43 A on 72 V
 
- 
PV Open Circuit Voltage VDC: 250 V
- 
Power Conversion Efficiency: 98%
- 
Maximum Stand By Self Consumption: 2.8-4 W
- 
Reverse Current at Night: Zero Internal Relay for Reverse Current
- 
Type of Charging/Charging Regulation: Bulk, Absorb, Float & Equalization
- 
Battery Voltage Regulation Set Points: 10-100 VDC
- 
Equalization Charging: Adjustable Voltage & Duration, Manual or Auto
- 
PV Reverse Polarity: Protect to Maximum VOC
- 
Battery Reverse Polarity: Fully Protected
- 
Battery Over Voltage: Fully Protected
- 
Battery Short Circuit: Fully Protected
- 
Battery Temperature Compensation: Automatic When BTS is Installed, Adjustable mV per deg C per 2 V Cell
- 
Programmable Auxiliary Control Output:
- 2 Auxiliary Output
- Auxiliary 1 can be 12 V Out or Dry Connect
- Auxiliary 2 is 12 V Out or Logic N
 
- 
Graphic Display: Yes
- 
Networking Cabling: Standard 4 Conductor Phone Cable, No Hub Needed
- 
Communication: ModBus Openly Published over Ethernet & RS232
- 
Remote Display: Display (MNGP) can be Relocated & Second Display can be Added
- 
Terminal Rating: 75 C
- 
Internal Ready: All Models
- 
Data Logging: 380 days of Daily History, 24 hr of Data at 5 Minute Intervals
- 
Operating Temperature: -40 to 50 deg C
- 
Environmental Rating: IP30
- 
Conduit Knockout:
- Single 1 in Conduit on Left & right Sides
- Two 1 in Conduit on Bottom
- Two 3/4 in Conduit on Back
 
- 
Standards: ETL Listed, CE Certified
- 
Warranty: 5 Years
- 
Dimensions: 14.9 in x 6 in x 4 in
- 
Weight: 12 lb
Documents