Dual‑Circuit Battery Isolator Switch – 3‑Position ON/OFF/COMBINE (12–32 V)

The Dual‑circuit battery isolator switch (model JPW6139) is a versatile and rugged power control solution for 12–32 V systems. Featuring a rotary dial with ON/OFF/COMBINE positions, it enables smooth isolation and merging of two separate battery banks—key for emergency starting or power-sharing needs.

Engineered for heavy-duty use, it supports 350 A continuous current with peaks up to 525 A and cranking ability of 700 A per circuit. The switch is ignition-protected, making it safe for petrol-powered boats and vehicles, with flexible mounting options for front, rear, or surface installation. Rugged terminals ensure secure connections even under harsh marine and off-grid conditions.

Key Features

• 3-position rotary dial: ON / OFF / COMBINE
• Suitable for 12–32 V DC systems
• Rated at 350 A continuous, 525 A intermittent, 700 A cranking per circuit
• Ignition-protected – safe for petrol-powered marine and RV applications
• Front, rear, or surface panel mounting options
• Strong 3/8″–16 (M10) terminal studs for reliable connection

Specifications