EP-LS Series 2

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    EP-LS Series 2

    The EP-LS2 emergency power pack with transfer relay is compactly designed, perfect for hidden installations in the ceiling to provide power for emergency lights installed in or under the ceiling. The EP-LS2 Power Pack is equipped with an innovative 3 Steps Charger (patent number 15955) to help extend the operational life of the battery.
    The casing is produced from 1mm thick Electro-Galvanized steel coated with Epoxy powder and special chemicals to prevent any possible rust. The EP-LS2 emergency power pack has undergone continued innovation to give maximum value and functions to the users, as can be seen in the feature list.

    Technical Specifications​
    Mode of Operation
    Non-Maintained
    Operation Temperature
    0-40°C
    Input Voltage
    Operating Line 230VAC / 50Hz
    Battery Type / Capacity
    Lithium Iron Phosphate (LiFePO4) 12.8V – 4Ah
    Protection Features
    – AC, DC Fuse
    – Surge Protection
    Testing System
    Auto Test
    Output Voltage
    12VDC ± 18% (Non – Maintained)
    Backup Time
    Total Maximum Load
    36W
    Charging period
    10-15 Hrs.
    Housing
    Electro-galvanized steel sheet 1mm.
    thick with epoxy powder coating.
    Dimensions (LxWxH)
    220 x 70 x 73 mm
    Weight
    1.29 Kg
    IP Rating
    IP20
    Mounting
    Ceiling Concealed

    Wiring Diagram

    EP-LS2 Wiring

    Features

    Supported Load

    • A 12 Vdc±18% load for emergency lamps

    Battery

    • Lithium Iron Phosphate (LiFePO4) 12.8V-4Ah

    Power Supply Duration

    Functions

    • An automatic 30-minute test can be set to perform every 30 days. This automatic testing can be turned on or off.

    Circuit Sytems

    • Controlled by an 8 bit microcontroller circuit.
    • An Autoactivation circuit when under voltage occurs.
    • A Timer Delay circuit to keep the unit operating for a few more seconds once normal power has returned.

    Protection Features

    • AC and DC fuse to prevent current overload.
    • Surge Protection.

    Features to Extend Battery Life

    • An innovative 3 Steps Charger (Limit Current, Constant Voltage, Flip-Flop Charger).
    • A Low Voltage Cut-Off to prevent the battery from draining completely.

    Warning Systems

    • An audible alarm will sound once every 15 seconds to warn that the Low Voltage Cut-Off is about to activate.
    • An audible alarm will sound twice every 15 seconds to indicate that the battery should be charged.
    • An LED will blink 3 times every 15 seconds to warn that there is less than 30 minutes of charge left in the battery. This warning will show for 10 minutes.
    • An LED will blink 4 times every 15 seconds to warn that there is a problem charging the battery. This warning will show for 10 minutes

    Indicators
    LED On
    Indicate that the unit is operational
    LED Charge
    Indicate that the battery is being charged
    LED AC.
    Indicate that the unit is receiving a power supply
    Switch On-Off Power
    Used to turn the unit on or off
    Buzzer
    Sound Indicator
    Switch On-Off Auto Test
    Used to turn the auto-test on or off

    Dimensions (mm)

    Dimension EP-LS2

    EP-LS Series 2 | Spec Sheets

    Model
    Battery Capacity
    Back up (hr.)
    Length (mm)
    Width (mm)
    Height (mm)
    Weight (kgs.)
    EP-LS2
    12.8V – 4Ah
    1.15-4.30
    220
    70
    73
    1.29
    Warranty conditions
    All product manuals