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        Murphy Battery Chargers
        電池充電器

         

        SENTRY SERIES Automatic Battery Chargers

        The Sentry range provides reliable float charging for vented lead acid or NiCd cells.

        Sentry chargers are based around an economical open-frame design, but can be supplied with a wall mounted enclosure complete with ammeter. The range is available in standard Sentry, Sentry 7 or UL1236/CSA approved versions. The Sentry range provides automatic, current limited and thyristor controlled charging of vented lead acid or NiCd batteries.

        The units may be used in a wide range of industrial charging applications, including standby engines, pumps and generators. The charger uses an open frame construction, designed for surface mounting in an enclosed panel. Each unit consists of a transformer, rectifier and control circuit. The control circuit ensures that the charger maintains a battery voltage at the precalibrated float level, whilst supplying any additional loads current up to the specified maximum.

        Sentry is designed to give a constant current output while battery voltage is below a ‘knee point’ (approx. 13V on a 12V LA). Above the knee-point, as the battery approaches its float voltage, the charger output current ramps down. This multi-stage charge regime gives an optimum combination of fast charge rate, followed by float charge without overcharging.

         

         

        MURPHY Sentinel 150P Series Automatic Switch Mode Battery Charger
        SENTINEL 150P SERIES


        The Sentinel 150P is a range of highly efficient, high performance battery chargers designed for continuous float charge and standby power applications.

        Switch Mode technology improves efficiency and low heat dissipation, wide supply voltage tolerance and low output ripple all within a compact and lightweight construction design. The chargers are configured for fast, accurate charging to give optimum battery life and reliability. Each charger’s output can be OEM-configured for optimal charging of different cell types: vented/wet lead acid, Calcium-Calcium, sealed VRLA (AGM or Gel), NiCd or custom requirements. The very smooth output (< 1% ripple) allows charging of sealed or vented batteries or use as a standalone power supply.

         

        MURPHY Sentinel 300P Series Programmable Switch Mode Battery Chargers

        SENTINEL 300P SERIES

        Murphy Sentinel 300P series battery chargers provide automatic, fast and accurate charging of standby batteries.

        Sentinel advanced chargers ensure optimal battery power, lifetime and reliability in demanding applications such as power generators, fire-pumps, and critical engine-driven equipment. Switch mode power technology gives a low-ripple DC charge output, plus wide AC supply voltage tolerance, in a compact, light and power-ef-ficient package. Unlike some generic chargers, Sentinel’s multistage DC output is optimized for your battery type and application – Lead Acid or NiCd; sealed or vented cells; ‘wet’, AGM or Gel electrolyte; lead antimony or calcium plates, cell temperature – all critical factors for maintaining battery health, preventing under/over charge and ensuring peak performance.

         

        SM135 12/24 Automatic switch mode battery charger

        SPECIALIZED CHARGING AND POWER SUPPLY PRODUCTS


        Specialized battery charging systems and DC standby power supplies made to customers' specifications.

         

        Enovation Controls has the ability to manufacture to customer's individual requirements. Shown right are examples of small volume custom designs. Please contact us with your requirements.

         


        Murphy by Enovation Controls | FW Murphy Production Controls
        Murphy Instrument Distributor
        信德邁科技(北京)有限公司 CNMEC Technology

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