The 48530-BX is a 9-12 V, 200 A continuous current Smart Battery Isolator designed for automotive battery management in applications such as boats, heavy trucks, and RVs. It features a black thermoplastic base with a plated steel housing, IP66 protection for the solenoid, and copper stud output terminals (5/16-24). The unit measures 7.9 x 15.1 mm with mounting holes on a 56 mm pitch. It operates from -40°C to +85°C, supports inrush current up to 750 A, and includes an LED status indicator. The isolator connects the auxiliary battery only when the primary battery reaches 13.2 V, enables bidirectional charging from alternator or shore power, and reduces charging system workload without diode losses.
Smart Battery Isolators prevent loads on auxiliary battery from draining the starting battery. 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 and extends charger life by only connecting the auxiliary battery when battery is charged to 13.2 V 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
| Littelfuse, Inc. | |
|---|---|
| Product Category | Reed Relays |
| Product Number | 48530-BX |
| Product Name | Smart Battery Isolator |
| Maximum Switching Current | 200.00 amps |
