Smart Battery Isolators Series - Smart Battery Isolator

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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Smart Battery Isolators prevent loads on auxiliary battery from draining the starting battery.

Features

  • More flexible than traditional battery isolators
  • Simple to install - connect to starting battery, auxiliary battery and ground.
  • Work with all types of alternators
  • Smaller and lighter than traditional isolators
  • There are no efficiency losses due to diodes
  • Allows bi-directional charging from the alternator or from shore power
  • Reduces the load on the charging system by not connecting the auxiliary battery until the primary battery is charged to 13.2V which extends the life of charging components.
  • LED status indicator
  • Optional start assist with addition of a momentary switch allows the auxiliary batter to assist the starting batter
  • Quiescent current 5mA typical, 8mA maximum

Ordering Information

Part Number Amp Voltage
48525 85 A 12 Vdc
48530 200 A 12 Vdc

Access specifications, certifications, check availability and order parts below

Catalog #Current Rating (Continuous) in AmpsVoltage Rating MaxIngress ProtectionAgency Approval - HumidityAgency Approval - ShockAgency Approval - VibrationCompare
485258516IP67to 90% RH10-500 Hz
48525-BX8516
4853020016IP67to 90% RHSAE J145510-500 Hz
48530-BX20016
To request product environmental information, please complete the Product Environmental Information Request Form.