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Angled view of black battery circuit breaker with red rotary knob, ASTA logo and four stainless bolts.Top view of battery circuit breaker with red knob, plus/minus markings, 'OFF' text and four bolts.Multiple-angle product shots of a 48-60V battery circuit breaker with red knob and four bolts.Angled close-up showing red knob, yellow insulating ring, black housing and four stainless bolts.Side/rear view of black circuit breaker housing with red knob in profile and four bolts beside it.

Battery Circuit Breaker 48-60V, 275A Continuous Rating

Heavy-duty battery disconnect switch for 48-60V systems with 275A continuous rating. Ideal for RVs, boats, and industrial power systems.

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Description

Battery Circuit Breaker 48-60V, 275A Continuous Rating

Brief Overview

This battery circuit breaker is engineered for professional-grade power management in mid-to-high voltage DC systems. Designed for RVs, marine vessels, ATVs, trucks, and stationary power installations, it provides reliable battery isolation and prevents parasitic drain during storage or extended downtime. The robust construction and simple operation make it an essential addition to any shop's inventory for customers requiring dependable power circuit protection.

Key Features

  • 275A Continuous Current Rating – Safe, sustained power delivery for permanent installations
  • Intermittent Rating of 350A – Handles peak demand without nuisance trips
  • 1250A Starting Current Capacity – Accommodates high inrush current during engine startup
  • 48–60V DC System Compatibility – Engineered for common battery voltage ranges
  • Ergonomic Rotary Knob – Simple ON/OFF operation with positive detent positions
  • Polarity Markings – Silver center cap displays + and − symbols for correct installation
  • Four-Sided Cable Entry – Connections from any direction; unused ports sealed for safety
  • Splash-Proof Housing – Black polymer construction resists moisture and corrosion
  • Dual Mounting Options – Surface mounting (primary) or flush mounting where space is tight
  • Stainless Steel Hardware – Hex bolts and nylon-lock fasteners included for secure installation
  • Yellow Insulating Ring – Provides electrical isolation between knob assembly and housing

Business Advantages for Resellers

High-Margin Product Category: Battery isolation switches command strong margins across RV, marine, and off-road segments. This is a value-add accessory that complements larger electrical system upgrades.

Recurring Demand: Customers replacing aging systems or upgrading dual-battery setups consistently return for quality disconnects. Stock rotation is predictable and reliable.

Bulk Order Potential: Fleet operators, RV dealerships, and boat builders purchase in quantities of 10–50 units. Establish yourself as the go-to source for OEM-grade battery management.

Minimal Technical Support: Simple ON/OFF operation means fewer customer complaints and warranty claims compared to complex electronic systems.

Sells Alongside Complementary Items: Cross-sell with battery cables, terminal lugs, and fuse holders for larger invoices.

Technical Specifications

Specification Value
Voltage Rating 48–60V DC
Continuous Current Rating 275A
Intermittent Current Rating 350A
Starting Current Capacity 1250A
Housing Material Black polymer (splash-proof)
Knob Type Rotary with ergonomic grip
Knob Cap Silver with polarity markings (+ and −)
Actuator Finish Red with white directional arrow
Insulation Ring Yellow (electrical isolation)
Cable Entry Options Four-sided (all positions accessible)
Mounting Methods Surface mount (primary); flush mount (limited)
Corner Mounting Holes Four recessed holes for secure fastening
Included Hardware Stainless steel hex bolts with nylon-lock fasteners
Sealed Port Covers Yes (unused entries protected)

Recommended Applications

  • RVs & Motorhomes – Prevents battery discharge during winter storage
  • Marine Vessels – Isolates battery banks in multi-system installations
  • Off-Road Vehicles – ATVs and trucks with auxiliary power systems
  • Stationary Battery Banks – Solar installations, backup power, and industrial systems
  • Dual-Battery Setups – Can be used individually or in combination to manage multiple banks

Installation Notes for Your Customers

The rotary knob operation is intuitive: simply turn to the ON position to activate the circuit, and to OFF to disconnect. The four-sided cable entry design allows flexible routing and reduces installation constraints. Mounting bolts are provided; ensure hex head fasteners are tightened securely to prevent vibration-induced loosening in mobile applications.


Stock this battery circuit breaker as a core item for any shop serving the RV, marine, and industrial sectors. The 275A continuous rating covers the vast majority of mid-voltage installations, while the 1250A starting capacity ensures compatibility with modern high-output alternators and engine starters. Reliable, straightforward, and built to perform—this is the disconnect your customers trust.