Description
Xantrex C40 40A PWM Solar Charge Controller | Boat Supply Store
For boaters requiring robust and adaptable DC power management, this 40 Amp PWM solar charge controller excels in maintaining battery health across 12V, 24V, or 48V systems. Its field-configurable voltage settings and multi-stage temperature compensated charging ensure optimal battery lifespan, even in demanding marine environments. Engineered with electronic protections against short-circuit, overload, and over-temperature, its conformal-coated boards and powder-coated enclosure are built for superior tolerance to corrosive conditions, safeguarding your vessel's electrical integrity.
Key Features
- Maximize battery lifespan with Pulse Width Modulated (PWM) multi-stage temperature compensated charging.
- Achieve system flexibility with field configurable 12V, 24V, or 48V operation.
- Adapt to your needs by functioning as a charge, diversion, or load controller.
- Benefit from silent operation and advanced management via silent microprocessor control.
- Ensure system integrity with electronic protection against short-circuit, overload, and over-temperature.
- Rely on durability with conformal-coated boards and a powder-coated enclosure for hostile environments.
- Maintain system independence with automatic night disconnection from the battery.
- Accommodate diverse wiring schemes with compatibility for negative ground and ungrounded systems.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 40 Amp |
| Charging Technology | PWM |
| Charging Stages | Multi-stage temperature compensated |
| System Voltage | Field configurable for 12V, 24V, or 48V |
| Controller Functions | PV charge/diversion/load controller |
| Electronic Protections | Short-circuit, overload, over-temperature |
| Board Coating | Conformal-coated |
| Enclosure | Powder-coated |
| Night Disconnection | Automatic |
| Grounding Compatibility | Negative ground and ungrounded systems |
| Optional Accessories | Remote display |
Who This Is For
Boaters and off-grid system users demanding reliable and versatile solar power management for 12V, 24V, or 48V battery banks. This controller is ideal for those prioritizing battery longevity and system resilience in challenging marine environments.
How It Compares
| Feature | Xantrex C40 40A PWM Solar Charge Controller | Competitor |
|---|---|---|
| Max Solar Charge Current | 40 Amps | 30A, 40A |
| Charging Technology | PWM | MPPT, MPPT |
| System Voltage Configuration | 12V, 24V, or 48V (Field Configurable) | 12/24/48V Auto-select, 12/24/48V Auto-select |
| Diversion Controller Functionality | Yes | No, No |
| Load Controller Functionality | Yes | No, No |
| Electronic Protections | Short-circuit, overload, over-temperature | Reverse polarity, short circuit, overheat, Short circuit, overload, over-temperature, reverse polarity |
| Enclosure Rating | Powder-coated enclosure, conformal-coated boards | IP67 (with proper cable glands), IP65 |
Common Concerns Answered
Is this controller less efficient because it's PWM and not MPPT?
While MPPT controllers generally offer higher efficiency, particularly in variable light conditions or with higher voltage solar arrays, the Xantrex C40's PWM technology is robust and cost-effective for many marine applications. Its multi-stage charging and temperature compensation ensure excellent battery health and reliable performance, making it a practical choice for consistent solar input.
Do I need to buy a separate display for monitoring?
The base Xantrex C40 unit features a standard multi-color charge status LED for at-a-glance monitoring. For detailed real-time data and cumulative AMP hours, an optional remote display is available, providing enhanced system visibility.
Is this controller built to withstand marine conditions?
Yes, the Xantrex C40 is engineered for harsh marine environments. It features conformal-coated circuit boards and a durable powder-coated enclosure, providing superior protection against corrosion and moisture, ensuring long-term reliability on board.
Frequently Asked Questions
What is the maximum solar input voltage for the Xantrex C-Series C40 charge controller?
The maximum solar input voltage specification is not explicitly detailed in the provided data but it's crucial to consult the product manual for specific limits to prevent damage.
Can the Xantrex C-Series C40 charge controller be used with 48V battery systems?
Yes, the Xantrex C40 is field configurable for 12V, 24V, or 48V battery systems, offering significant versatility for various power configurations.
What types of charging sources can the Xantrex C-Series C40 handle?
This controller is designed to manage charging from solar photovoltaic (PV) arrays. Its functions include PV charge, diversion, and load control.
Does the Xantrex C-Series C40 have electronic protection features?
Yes, the Xantrex C40 includes essential electronic protections against short-circuit, overload, and over-temperature conditions to safeguard both the controller and the battery bank.
Is the Xantrex C-Series C40 suitable for harsh marine environments?
Absolutely. The controller is built with conformal-coated boards and a powder-coated enclosure, providing robust resistance to corrosive marine atmospheres and ensuring reliable operation.
