MidNite Solar Classic 250-SL MPPT Charge Controller - CLASSIC 250-SL
SKU: 51269506050

MidNite Solar Classic 250-SL MPPT Charge Controller - CLASSIC 250-SL

$371.08 $412.31
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Description

MidNite Solar Classic 250-SL MPPT Charge Controller - CLASSIC 250-SLThe MidNite Solar Classic 250 is a high power MPPT charge controller designed for off grid solar, wind, and hydro systems up to 250VDC input. With Arc Fault and Ground Fault protection built in, free web monitoring via the MidNite Local Application, and exclusive HyperVOC for cold climates, it delivers up to 63 amps of charging current for 12V to 72V battery banks. Ideal for large off grid residential, cabin, or remote renewable energy installations,

The MidNite Solar Classic 250 is a high-power MPPT charge controller designed for off-grid solar, wind, and hydro systems up to 250VDC input. With Arc Fault and Ground Fault protection built in, free web monitoring via the MidNite Local Application, and exclusive HyperVOC for cold climates, it delivers up to 63 amps of charging current for 12V to 72V battery banks. Ideal for large off-grid residential, cabin, or remote renewable energy installations, especially those with long wire runs. Made in the USA.

Key Features & Benefits

High Output Current: Delivers up to 63A depending on battery voltage (see power table below).

Wide Battery Voltage Support: Works with 12V, 24V, 36V, 48V, 60V, and 72V battery banks.

Battery Types: Flooded, AGM, Gel, Calcium SMF, Lithium (with BMS), Custom

250VDC Operating Voltage + HyperVOC: Exclusive HyperVOC extends VOC limits for cold climates up to 298V (non-operating safety zone). Ideal for long PV wire runs (over 180 feet) and higher voltage arrays.

Multiple DC Input Sources: Supports solar, wind, and hydro MPPT modes – versatile for any renewable energy source.

Built-In Arc Fault Protection (AFCI): Meets NEC 2014/2017/2020 690.11 requirements with 0.25 second detect and trip speed.

Built-In DC Ground Fault Protection (GFP): Integrated, resettable GFP meets NEC requirements – no external GFP device needed.

Free Web Monitoring: Use the MidNite Local Application or MyMidNite secure service to monitor your Classic remotely.

High Efficiency (98%): Maximizes energy harvest from your renewable source.

Built-In Data Logging: Stores 380 days of daily history and 24 hours of data at 5-minute intervals.

Dual Programmable Auxiliary Outputs: Two AUX outputs for load control, generator starting, low battery disconnect, or logic input from a lithium BMS.

Terminals Rated for 75°C: Accepts #14 to #4 AWG copper wire.

5-Year Warranty: Backed by a 5-year standard warranty with an extended service program available.

Made in the USA: Designed and assembled in Arlington, Washington.

Technical Specifications

Specification Detail
Manufacturer MidNite Solar
Model Classic 250
Nominal Battery Voltage 12V, 24V, 36V, 48V, 60V, 72V
PV Open Circuit Voltage (VOC) 250V + HyperVOC (up to 298V non-operating)
Max Output Current Rating 63 Amps
Power Conversion Efficiency 98% (typical system)
Stand-By Self-Consumption (12V) 2.8W – 4W
Reverse Current at Night Zero (internal relay)
DC Input Modes Solar, Wind, Hydro
Charging Regulation Bulk, Absorb, Float, Equalization (Auto or Manual)
Battery Voltage Set Points 10 – 100 VDC
Equalization Charging Adjustable voltage and duration (Auto or Manual)
Battery Temp Compensation Automatic with included BTS, adjustable mV/°C
Arc Fault Protection Built-in (adjustable sensitivity, 0.25 sec detect)
Ground Fault Protection Built-in, resettable, no fuse to blow
Operating Temperature -40°C to +50°C (auto-derates above 25°C)
Environmental Rating Indoor Type IP30 (IP22 with optional Drip Shield)
Conduit Knockouts One 1" left/right, two 1" bottom, two 3/4" back
Warranty 5 Years

Maximum Output Current by Battery Voltage

Battery Voltage Maximum Output Current
12V 61 Amps
24V 62 Amps
48V 55 Amps
72V 43 Amps

Electrical & Connectivity

Feature Detail
Programmable Aux Outputs 2 (Aux1: 12V or dry contact, Aux2: 12V or logic input)
Whiz Bang Jr. Port Yes
Networking (Follow-Me) Standard 4-conductor phone cable, no hub needed
Communications ModBus over Ethernet and RS232 (open protocol)
Remote Monitoring Local Application, MyMidNite (free, secure web service)
Remote Display MMGP included – can be relocated or second added
Data Logging 380 days daily history, 24 hrs at 5-min intervals
Positive Ground Applications Requires 2-pole input and output breakers
Terminal Rating 75°C

Mechanical Specifications

Specification Detail
Dimensions (L x W x H) 14.9 x 6 x 4 in (378 x 152 x 102 mm)
Weight 12 lbs (5.45 kg)
Wire Gauge (PV/Battery) #14 to #4 AWG copper, 75°C minimum
Wire Gauge (AUX) Up to #18 AWG
Torque Connections 25-50 in-lbs (depending on wire gauge)

Agency Approvals

Standard Compliance
UL 1741 Distributed Energy Resources
CSA C22.2#107.1 General Use Power Supplies
FCC Part 15 Class B
CE Certified Yes
ETL Listed US & Canada

Included with Classic 250

Item Quantity
Classic 250 charge controller 1
MMGP graphical display 1
Battery temperature sensor (MNBTS) 1
Printed user manual 1
Knockout covers 3
Parts bag (stickers, terminal cover, silicone grease) 1

Product Documents

Sizing Tool: Online Tool Link

Spec Sheet (Front/Back): Download PDF

User Manual: Download PDF

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51269506050

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