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Lead Acid Charger, 4A

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Lead Acid Charger, 4A

larger image 		Switch mode lead acid chargers are designed to effectively charge sealed lead acid batteries while protecting the batteries from over-charging. All charger ratings are based on a nominal input of 90-264 / 47-63Hz. The output current ranges from 2A to 4A.

Features:
  • Medical approved (EN60601)
  • 3 step charge control with timer
  • Switch mode charger with universal input voltage
  • Available in 12V and 24V versions
  • LED status indicator
  • Protected against reverse polarity and short circuit
  • Custom specifications on request
Specification

    Input rating: Nominal 90-264VAC/47-63Hz
    Maximum output power: 60W
    Load regulation: <200mV
    Line regulation: <100mV
    Switch frequency: ≈40 kHz
    Temperature range: -10°C to +40°C
    Ripple: <100mVp-p
    Efficiency (at 100% load): 80%
    Insulation class: Class I
    Electrical safety: UL 60601-1, EN 60601-1, EN 60950, EN 60335-2-29
    EMC Standards: EN 60601-1-2 (Medical), EN 61000-6-3 (Emission), EN 61000-6-1 (Immunity)
    Timer: 2hr ±30% (also available with other values)
    Input connection: 3 pin IEC 320 (input cordset not included)
    Output connection: Battery clips
    Dimensions/weight: 5.31" x 3.15" x 1.73" (135 x 80 x 44mm)/ 0.77 lbs. (350g)
other output connection options available upon request

Functionality

Once the charger is attached to a sealed lead acid battery and plugged in, the charging process will begin. The charger will subject the lead acid battery to three steps of charging.

In the first step, the charger will enter into 'boost' mode. During this step, the charger is in constant current mode with the current rate remaining at its maximum value (note- the battery voltage is lower than the switching level of the timer).

In step two, the battery will be nominally 80-95% charged, and the charger will switch into time controlled/ constant voltage mode (current is no longer being provided at its maximum rate). The charger will continue to provide a constant voltage until the time interval is completed.

The third and final step will place the charger in float/standby mode as the battery will be fully charged. Because the charge voltage is at a standby level, the charger can continue to be connected to the battery. Should the battery be used, the charger can return to rapid charging (step 1).



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Model

Nominal Voltage Rating

Maximum Output Power

Step 1: Boost/Constant Current

Step 2: Timer/Constant Voltage

Step 3: Float/Constant Voltage

List Price

Available to ship

452040-SB 12V 60W 4A 2 hr. ±30 min. / 14.7V ±0.2V 13.8 ±0.3V $98.00 50 pieces
452040-SC 24V 60W 2A 2 hr. ±30 min. / 29.5V ±0.2V 27.6V ±0.3V $98.00 7 pieces
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  ©2006 Cell Con Inc. all rights reserved Cell-Con, Inc. 305 Commerce Drive #300, Exton, PA 19341
800.771.7139