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Up for auction is one brand-new, never-used, still-in-box Xantrex C40 Solar Controller, rated for 40 Amps solar input and 40 amps load output. Will operate on 12V, 24V, and even 48V system voltages. Offers a three-stage charging protocol for PV systems, can also allow for load diversion from PV, hydro, or wind systems to a DC load (water heater, space heater, etc).
I've upgraded this charge controller with the CM Digital Meter mounted onto the front face, over $120 value if purchased separately. Designed for use with C Series Charge Controllers, this digital meter displays volts, amps, and resettable cumulative amp hours for a solar array, DC loads, or diversion loads, depending on application.
BUY IT NOW Bonus - Use the Buy It Now feature at $259.50 and I'll include the BTS Battery Temperature Sensor with a 15 foot lead. The BTS mounts on a terminal post of a battery in a bank or on the side of a battery and measures its temperature. It sends precise information to the charge controller, which automatically adjusts voltage to ensure full battery charge depending on the ambient temperature of your battery installation.
If you are unfamiliar with the C-series charge controllers by Xantrex, here's some great info from their website:
A Controller for Virtually Any DC Charging Source
The C-series is the benchmark of Xantrex's charge controller lineup. The C40 is field configurable for 12, 24, and 48VDC operation and can be used as a charge, diversion, or load controller and comes with a standard multi-color charge status LED.
This fully solid state, microprocessor-driven controller is UL and cUL listed. Whatever the charging source, a C Series controller is sure to meet your DC controller needs.
Product Features
Ensures your batteries are always charged
Silent, pulse width modulated microprocessor control (maximizing battery life)
Field adjustable voltage and battery set points
Electronic protection against short-circuit, overload, over temperature and reverse polarity conditions.
C40
Electrical Specifications
Voltage Configurations
12, 24 and 48 VDC
Max. PV Open Circuit Array Voltage
125 VDC
Charging / Load Current (at 25 °C)
40 amps DC
Max. Peak current
85 amps
Max. Voltage Drop through Controller
0.30 volts
Typical Operating Consumption
15 ma
Typical Idle Consumption
3 ma
Recommended Breaker Size
50 amps
Recommended Wire Size
#8 AWG
Lead Acid Battery Settings
Adjustable
NiCad Battery Settings
Adjustable
Load Control Mode
Low Voltage Reconnect - Adjustable (sticker provided with unit) all models
Low Voltage Disconnect - User selectable manual or automatic reconnection - includes warning flash before disconnect and provides a one time, user selectable grace period) all models
General Specifications
Specified TemperatureRange
32° F to 104° F (0° C to 40° C)
Enclosure Type
Indoor, ventilated, powder coated steel with 3/4" and 1" knockouts
Unit Weight
3.0 lb (1.4 kg)
Shipping Weight
3.5 lb (1.6 kg)
Dimensions (H x W x D)
10 x 5 x 2.5" (25.4 x 12.7 x 6.35 cm)
Shipping Dimensions (H x W x D)
12.4 x 7 x 2.5" (31.5 x 17.8 x 6.4 cm)
Mounting
Vertical wall mount - indoor only
Altitude - Operating
15,000' (4,572 m)
Altitude - Non-Operating
50,000' (15,240 m)
Warranty
Two years
Part Numbers
C35, C40, C60 - Controllers
CM - Front Display Panel
CM/R-50, CM/R-100 - Remote Display Panel
BTS - Battery temperature sensor
Features & Options
Regulation Method
Solid stage, three-stage (bulk, absorption, and float), pulse width modulation
Field Adjustable Control Setpoints
Two user adjustable voltage setpoints for control of loads or charging sources - setting retained if battery is disconnected
Display Panel
CM, CM/R-50, or CM/R-100 - optional LCD - backlit, alphanumeric display showing battery voltage, DC amperage, cumulative amp hours, and amp hours since last reset - remote includes 50' (15 m) or 100' (30.5 m) cable
Equalization Charge
User selectable manual or automatic equalization - every 30 days
Battery Temperature Sensor
BTS - optional remote battery temperature sensor for increased charging precision
Regulatory Approvals
UL Listed to UL 1741 - 1999 and to CSA 22.2 No. 107.1-95 Standards, CE compliant
Note: Specifications subject to change without notice.
The full specifications for this controller are located at: