battery chargers Battery Chargers ( 2 ) Technical Specifications Specification Specification Name Values Allowed Values Ungrouped GENERIC Charger technology SMPS Based Transformer Based, SMPS Based Compatibility with battery type (User Selectable) Tubular & VRLA- SMF Tubular, Lead acid, VRLA- SMF, Tubular & VRLA-SMF, Lead acid & VRLA- SMF, Tubular & Lead acid, Lead acid & Tubular &VRLA-SMF Number of Independent charging stations (in numbers) 3 1, 3, 5 CONSTRUCTIONAL Input Voltage Range (VAC) 160 volt 270 volt (ISI MARKED POWER CORD TO BE PROVIDED) - AC surge protection AC surge protection at Input side with MOV (Metal Oxide Varistor) - Soft start and Soft stop feature without inrush current Yes - Facility for charging deep discharged yes - 1/4 battery through pulse charging. Not to charge battery in case one or more cells are internally short/Battery voltage less than 10.5V Yes - Digital display of output voltage and current Yes - LED Indication for Charging Status, Charged condition status and reverse polarity Yes - Cabinet Material CRCA Sheet - Cabinet Thickness (mm) minimum 1.2 mm - Length of Charging Cable for each station. (metre) Minimum 1.5 mtrs. Length (ISI MARKED Cable) - Size of Charging Cable for each station. (sq. mm) min. 6 sq.mm as per IS:694 ISI MARKED FLEXIBLE Cu cable per station - FUNCTIONAL Battery/battery bank Voltage (Volts) 12 Volts per station - Capacity of the battery to be charged(User Selectable) (AH) 7 aH TO 120 aH - Maximum Charger output current (Amp) 12 Ampere per station - Charging Cut-off Voltage per 12V battery (Volts) 14.5 volt +/-0.2 volt - Efficiency (%) >/= 75% - Ripple (Peak to Peak at Full Load) (millivolts) <100 - Reverse Polarity Protection Yes - Short Circuit Protection Yes - Over Current Protection Yes - Over voltage cutoff protection Over voltage protection at 280 volt at input and automatic recovery at 270 volt when the voltage is reduced from 280 volt - 2/4 Cut-in voltage for charging a discharged battery (Volts) Cut-in voltage shall be 10.5 Volt - Cut-off voltage for charging a discharged battery (Volts) Cut-off voltage shall be 14.5 V +/- 0.2 Volt - Minimum operating temperature (Degree Celsius) -10 - Maximum operating temperature (Degree Celsius) +55 - CERTIFICATIONS Availability of Type Test Report from Central Government NABL/ILAC Accredited lab To prove conformity to the specification Yes - Type Test report No. ERTL/17-18/32289 - Test report date 13/12/17 - Name of Lab ERTL - Address of Lab MUMBAI - * Bold specifications are the golden parameters. Consignees and Quantity S.No. Consignee Address Quantity Delivery Days 1 D. P. 180010, Chief Engineer Project Sampark BRO Kunjwani Chowk JAMMU - 180010 2 15 Required No ePBG Required No
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