Xantrex

C-35, C-40 and C-60 PWM Controllers

The Xantrex C-35, C-40, and C-60 PWM (pulse width modulator) controllers can be used as PV charge controllers, DC load controllers or DC diversion regulators in 12-, 24- and 48-volt systems (except only the C40 can be used in 48-volt systems). They operate in only one mode at a time, so to provide both PV charge controller and low battery load disconnect, two controllers must be used. As DC load controllers they disconnect the load at a user-settable low voltage and reconnect at a higher voltage reconnect point. As diversion controllers they send excess power to a “dummy load” (such as a water or space heater) to regulate hydroelectric or wind generators. When used in diversionmode, derate the amperage by 25%. All Xantrex controllers, when used as a charge controller, have field-adjustable bulk and float setpoints and perform automatic equalization every 30 days or whenever LVD is reached. Equalization can be manually initiated with automatic shut-off. Order the optional temperature sensor for a more accurate battery charge controller. The optional LCD digital display shows battery voltage, array amps and watts, cumulative amp-hours and a separately resettable “trip” amp-hour measurement. The digital display is available for mounting on the front of the charge controller, or with a 50- or 100-foot cable for remote mounting in a double-gang electrical box. UL Listed. 2-year warranty.

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 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)

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

C5, 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.