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ETA Engineering, Inc.
4049 E. Presidio St., Suite 117
Mesa, AZ 85215
Phone: 480-966-1380
Toll Free: 1-877-964-4188
Fax: 1-480-966-1516
info@etaengineering.com

ETA Charge Regulators: Built-in Reliability

Battery Charging Methodology

Solar Association Arizona Solar Energy Association

Solar CenterArizona Solar Center

WindAmerican Wind Energy Association

Hydrogen American Hydrogen Association

Phoenix Electric Auto Association

Green Building Scottsdale Green Building Program

Note: Prices are subject to change without notice due to changes in other vendors' prices to us. These changes may arise from normal product development plus fluctuations in foreign exchange rates and commodity prices.

Frequently asked questions (FAQ).

Xantrex/Trace C40 and C60 Photovoltaic Charge Controllers

40 Amp, 12, 24, and 48v adjustable, 3-stage charge controller
60 Amp, 12 and 24 adjustable, 3-stage charge controller

For current pricing, call us toll-free 1-877-964-4188.

A Controller for Virtually any DC Charging Source. The C40 and C60 are fully solid state, microprocessor-driven controllers that can be used for battery charging, DC load control or DC diversion operation, and come with a standard multi-color charge status LED.

Standard Features:

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.

PWM Charge Performance
C Series controllers all use Pulse Width Modulation (PWM) charging profiles which are designed to provide a full charge to your battery while, at the same time, minimize gassing which can shorten battery life.

3-Stage Battery Charging
All C Series controllers automatically initiate a 3-stage battery charging cycle. Bulk, Absorption, and Float modes are used to ensure that voltage and current settings accurately match the batteries' actual state of charge. This means fast-as-possible charging and extended battery life. An auto equalize mode can be easily switched off when the controller is used with sealed batteries. C Series controllers are factory set for solar PV battery charging operation.

Field Adjustable
There are a number of field configurable, user adjustments for C Series controllers. The C40 may be configured for 12, 24 or 48 volt systems. Bulk and Float voltage set points are user adjustable which allows use with a wide variety of battery technologies including; flooded lead acid, gel, and absorbed glass mat. In addition, there are manually selectable settings for Nicad batteries.

DC Load Controller Mode
When used as a load controller, the C Series will automatically turn a DC load on or off at predetermined battery voltage settings. Both LVD (low voltage disconnect) and LVR (low voltage reconnect) set points are user adjustable.

DC Diversion Mode
In this mode, all power, which is not used to maintain a full charge on the batteries, is diverted to a load dump such as water or space heaters. Diversion mode is used to regulate microhydro and wind turbine systems which need a constant load.

LED Status Indicator
A simple to read, multi-color LED indicates operating status and is standard on all C Series controllers.

UL and cUL Listed
C Series controllers are listed by UL to exacting UL 1741 and cUL CSA 22.2 107.1-95 standards. C Series controllers are also CE compliant (European countries) and are designed to CTIK standards (Australia). Their current ratings are "real world" and do not have to be derated to comply with USA NEC 125% overcurrent requirements.

Electrical Specifications C40 C60

Voltage Configurations:
12, 24 and 48 VDC 12 and 24 VDC
Max. PV Open Circuit Array Voltage: 125 VDC 55 VDC
Charging / Load Current (at 25°C): 40 amps DC 60 amps DC
Max. Peak current: 85 amps 85 amps
Max. Voltage Drop through Controller: 0.30 volts 0.30 volts
Typical Operating Consumption: 15 ma 15 ma
Typical Idle Consumption: 3 ma 3 ma
Recommended Breaker Size: 50 amps 60 amps rated 100% continuous duty
Recommended Wire Size: #8 AWG #6 AWG rated at 90 degrees C
Lead Acid Battery Settings: Adjustable Adjustable
NiCad Battery Settings: Adjustable Adjustable
     
General Specifications    
Specified Temperature Range: 32° F to 104° F (0° C to 40° C) 32-104 degree F (0-40 degree C)
Enclosure Type: Indoor, ventilated, powder coated steel with 3/4" and 1" knockouts Indoor, ventilated, powder-coated steel with 3/4" and 1" knockouts
Unit Weight: 3.0 lb (1.4 kg) 3.0 lbs (1.4 kg)
Shipping Weight: 3.5 lb (1.6 kg) 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) 10"x5"x2.5" (25.4 x 12.7 x 6.35cm)
Shipping Dimensions (H x W x D): 12.4 x 7 x 2.5" (31.5 x 17.8 x 6.4 cm) 12.4 x 7 x 2.5" (31.5 x 17.8 x 6.4 cm)
Mounting: Vertical wall mount - indoor only Vertical wall mount - indoor only
Altitude - Operating: 15,000' (4,572 m) 15,000' (4,572 m)
Altitude - Non-Operating: 50,000' (15,240 m) 50,000' (15,240 m)
Warranty: Two years Two years

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

Options
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
Battery Temperature Sensor: BTS - optional remote battery temperature sensor for increased charging precision

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©2001-2008 ETA Engineering, Inc. All rights reserved. Last updated: December 19, 2008