Xantrex C-Series Solar Charge Controller - 40 Amps
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Xantrex C-Series Solar Charge Controller - 40 Amps Product Description
Harness the power of the sun reliably with a charge controller that's built to last in the toughest conditions. Imagine powering your off-grid cabin, RV adventures, or marine setup without worrying about battery overcharge or system failures. The Xantrex C40 steps in as your silent guardian, managing solar input with precision and smarts that go beyond basic regulation.
Precision Charging That Extends Battery Life
At the heart of the C40 is pulse width modulation (PWM) technology, delivering multi-stage charging tailored to your battery's needs. It starts with bulk charging to fill the tank quickly, switches to absorption for a deep, even charge, and finishes with float to maintain peak health without gassing or drying out. Temperature compensation adjusts on the fly, sensing environmental shifts to prevent under- or over-charging—crucial when you're dealing with hot roofs or chilly nights.
Why does this matter? Batteries in solar systems often fail prematurely from inconsistent charging. The C40's microprocessor crunches the numbers in real-time, optimizing every amp and extending cycle life by months or even years. Users report lead-acid, AGM, and flooded batteries holding strong through seasons of heavy use.
Adaptable for Any Setup
Flexibility defines this controller. Wire it for 12V, 24V, or 48V systems—perfect for scaling from small backyard panels to larger arrays. Beyond PV charging, configure it as a diversion controller to route excess power to dump loads like water heaters, or as a load controller for direct DC appliances. It auto-disconnects at night, sipping zero power from your battery.
Negative ground or ungrounded? No issue. Short-circuit, overload, or overheating? Built-in safeguards kick in instantly, protecting your investment without fuses that blow or resets that frustrate.
Rugged Build for Real-World Demands
Out in the field, gear takes a beating from dust, moisture, and temperature swings. The C40 laughs it off with conformal-coated circuit boards that seal out corrosion and a powder-coated aluminum enclosure that's tough as nails. Mount it indoors or in a weatherproof box, and it'll hum along silently—no fans, no noise, just reliable performance.
A multi-color LED faceplate gives at-a-glance status: green for charging, amber for float, red for faults. Pair it with the optional remote display for cumulative amp-hours tracking, helping you monitor production and spot issues early.
Easy Customization and Integration
Field adjustments let you dial in voltage setpoints for specific battery chemistries—tweak absorption, float, and equalization thresholds right on the unit. It's intuitive, even without manuals handy. Compatible with most standard solar panels matching your system voltage, it shines in setups where panel and battery voltages align closely, keeping things simple and cost-effective.
Pro tip: For marine or RV use, its compact size (about the footprint of a paperback) and DIN-rail mounting options make installs a breeze. Wire it between panels and battery with 10-gauge for 40A flow, and you're generating clean power in under an hour.
Maximizing Performance Tips
- Position temperature sensor on the battery for accurate compensation—default is ambient, but this nails it.
- Equalize monthly on flooded batteries to mix electrolyte and prevent sulfation.
- Monitor via remote for trends; low amp-hours might mean dirty panels.
- Size diversion loads to match output for zero waste in high-sun areas.
Frequently Asked Questions
What battery voltages can the Xantrex C40 handle?
It supports 12V, 24V, or 48V configurations, making it versatile for small to medium solar systems.
How does PWM charging differ from MPPT in the C40?
PWM matches panel voltage to battery efficiently when close, using multi-stage control for longevity. It's simpler and thrives in matching-voltage setups, unlike MPPT's voltage conversion.
What protections does the C40 offer?
Electronic safeguards cover short-circuits, overloads, over-temperature, and reverse polarity, ensuring safe operation.
Can I use the C40 in harsh environments?
Yes, conformal-coated boards and powder-coated enclosure resist moisture, dust, and corrosion for off-grid or marine reliability.
Does it support remote monitoring?
An optional remote display provides cumulative amp-hours and status, ideal for hard-to-reach installs.
What battery types work best with the C40?
Adjustable setpoints suit flooded, gel, AGM, and sealed lead-acid batteries; customize absorption and float for optimal performance.
How do I know the charging status?
The standard multi-color LED indicates bulk, absorption, float, or error states at a glance.
C-Series Solar Charge Controller - 40 Amps
PV charge, diversion and load controller
The C35 and C60 are field configurable for 12 V and 24 V operation. The C40 may be configured for 12 V, 24 V, or 48 V operation. C35, C40 and C60 charge controllers can be used as a charge, diversion, or load controller and come with a standard multi-color charge status LED face plate.
A Controller for Virtually any DC Charging Source. The C60 is a fully solid state, microprocessor-driven controller that is UL and cUL listed. C Series controllers may be configured for PV battery charging, or DC load control or DC diversion operation. Whatever the charging source, a C Series controller is sure to meet your DC controller needs.
Silent Microprocessor Control-All C Series controllers have a powerful microprocessor at their core which increases system performance and maximizes battery life. They are fully solid state and operate silently.
Features:
- Improve battery life with pulse width modulated (PWM) multi-stage temperature compensated charging
- Two-year standard warranty
- PV charge, diversion, load controller
- Available remote display with cumulative AMP hours
- Electronic protection against short-circuit, overload, and over-temperature conditions
- Tolerance to hostile environments with conformal-coated boards and powder-coated enclosure
- Field adjustable voltage and battery set point
- Automatically disconnects from the battery at night
- Compatible with negative ground and ungrounded systems
WARNING: This product can expose you to chemicals including Diisononyl Phthalate (DINP) which is known to the State of California to cause cancer, and Di-isodecyl Phthalate (DIDP) which is known to the State of California to cause reproductive harm. For more information go to P65Warnings.ca.gov.
C series solar charge controller -40 amp photovoltaic charging, shunt and load controllers C35 and C60 can be configured for 12 V and 24 V operation on site. C40 may be...
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Xantrex C-Series Solar Charge Controller - 40 Amps Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Xantrex |
| Weight: |
3.5 lb |
Xantrex C-Series Solar Charge Controller - 40 Amps User Reviews
Xantrex C-Series Solar Charge Controller - 40 Amps Shipping & Return
| Shipping Weight: |
3.5 lb |
|---|---|
| Box Sizes: |
3.00 (h) x 7.00 (w) x 13.00 (l) |
| Cubic Feet: |
273.0 |
| Returnable: |
Yes |
| P65: |
Yes |
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