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Xantrex C-40 Charge Controller 40 amp 12/24/48 VDC

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SKU:XA130-0004-02-01MFR #:130-0004-02-01
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  • Overview
  • Features
  • Specifications

Xantrex C-40 Charge Controller 40 amp 12/24/48 VDC A charge controller is an important system component that regulates the voltage generated from your renewable energy system and properly maintains your batteries. It protects your batteries from being over and under charged, and ensures maximum battery life. Designed for 40, amps of DC current. Considered to be the best in the industry, Xantrex Charge Controllers offer a variety of features.

UPC 687873000513

Key Features

  • Silent, pulse width modulated (PWM), high efficiency operation
    Three-stage battery charging (bulk, absorption, and float) with optional temperature compensation
    Automatic overload protection in both active and passive modes
    PV array short-circuit and reverse polarity protection
    Durable construction
    Microprocessor controlled
    As a Solar Charge Controller
    When used as a solar charge controller, the C40 can control 12, 24, or 48 Vdc array operation and
    the C35 and C60 can control 12 and 24 Vdc array operation
    All units offer selectable settings for NiCad, flooded lead acid, gel, or absorbed glass mat batteries
    As a DC Load Controller
    As a DC load controller, the C Series has a low voltage disconnect warning indicator and field
    adjustable set points that govern automatic low and high voltage disconnect
    Manual reset switch for emergency low voltage operation
    As a Diversion Controller
    The C Series automatically directs extra power to a dedicated load, such as an electric water heater,
    and ensures batteries are never over charged
    Plug-in battery temperature sensor for increased charging precision
    Cumulative amp-hour meter (CM) that can be installed on the face of the controller, or remotely
    (CM/R), up to 100 feet (30 m) away.
What's In the Box
  • Xantrex C-40 Charge Controller 40 amp 12/24/48 VDC
  • 5 Years Warranty
Electrical Specifications
Model C40
Voltage configurations
12, 24, and 48 Vdc
Max. PV open circuit array voltage
125 Vdc
Charging / load current (@ 25 °C)
40 Adc
Max. peak current
85 A
Max. voltage drop through controller
0.30 V
Typical operating consumption
15 mA
Typical idle consumption
3 mA
Recommended breaker size 50 A
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 selected grace period) all models
General Specifications
Specified temperature range
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)
3.5 lb (1.6 kg)
Dimensions (H x W x L)
10 x 5 x 2.5”
Shipping Dimensions (H x W x L)
12.4 x 7 x 2.5”
Regulatory Approvals
UL Listed to UL 1741 - 1999 and to CSA 22.2 No. 107.1-95 Standards, CE compliant

*Specifications may change without notice

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