Newmar 1-3-165 Newmar 165a Heavyduty Battery Isolator For 3 Banks
by Newmar Power

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Newmar 165A Heavy-Duty Battery Isolator

This reliable battery isolator is designed to automatically charge up to three batteries from one or two alternators, ensuring optimal charging without the risk of one battery discharging into another. Suitable for 12-, 24-, or 36-volt negative ground DC systems, it guarantees individual battery needs are met without overcharging.

Key Features:

• Dual-rated heavy-duty diodes housed in a rustproof anodized aluminum heat sink.
• Constructed for rigors of frequent use.
• Suitable for voltage systems up to 48 volts DC, compatible with negative ground configurations.
• Includes stainless steel mounting hardware for secure installation.
• Protective covers to safeguard terminals.

Specifications:

• Alternator Sources: 1
• Battery Bank: 3
• Max Amperage Input Capacity: 165A
• Stud Terminal Size: 6mm
• Dimensions (L x W x H): 9 x 4.5 x 3.1 inches
• Weight: 5 lbs
• Operating Temperature: -40 to +80 degrees Celsius
• Duty Cycle: Continuous rating to 50 degrees C, derating to 70% at 80 degrees C.
• Temperature Rise: 5 degrees C at full rated current (mounting vertically recommended for optimal cooling).
• Voltage Drop: 0.7V at 50% load, 0.9V at full load.

*Note: This isolator is not compatible with self-exciting alternators; an external excitation lead is required. Always verify your alternator configuration with the manufacturer.