ASW-A1201 275A 12-48V DC Marine Battery Disconnect Switch ON-OFF Master Cutoff for Boat, RV
Part#ASW-A1201
This ON-OFF marine battery disconnect switch is rated for 275A (1250A cranking) in 12-48V DC systems, features M10 copper studs, a removable anti-theft knob, and flexible surface or recess mounting options.
As an ignition-protected and ABYC-compliant switch, it provides a safe and reliable single-circuit power cutoff for marine, RV, and truck applications.
Category :
Battery Switch
ASW-A1201 275A 12-48V DC Marine Battery Disconnect Switch ON-OFF Features
- Heavy-Duty Electrical Rating
This master battery switch is engineered for high-demand circuits, rated for 275A continuous service at 12V DC. The heavy-duty power switch can also handle an intermittent load of 455A and a cranking current of 1250A. Its robust design makes this marine battery switch ideal for reliably managing main power circuits.
- Versatile Mounting Options
This marine battery disconnect switch offers flexible installation, allowing for either surface mounting or recess mounting into a 2.1″ (52mm) cutout. The compact power isolator features removable side plates on all four sides to provide unobstructed access for heavy-gauge battery cables. This design ensures a clean and professional installation in tight spaces.
- Secure & Insulated Terminals
The battery kill switch is equipped with 3/8″ (M10) tin-plated copper studs for maximum conductivity and corrosion resistance. A protective rear cover fully insulates the terminals, safeguarding against accidental short circuits. This ignition-protected switch meets ABYC requirements, making it safe for use in the engine compartments of gasoline-powered boats.
- Simple & Secure Operation
This manual disconnect switch features a large, ergonomic rotary knob for clear ON/OFF 2-position control. The rotary control knob can be removed by switching to a 45° counter-clockwise position, serving as an effective anti-theft and safety feature. This intuitive design ensures straightforward and secure management of your electrical system.
- Broad System Compatibility
Designed to operate with 12V to 48V DC electrical systems, this universal battery cutoff switch is a versatile solution for many applications. The master power switch is perfectly suited for marine vessels, RVs, trucks, and other large-capacity battery systems. It provides essential power isolation for safety, maintenance, and storage.
ASW-A1201 275A 12-48V DC Marine Battery Disconnect Switch ON-OFF Datasheet
| Model Number | A1201 |
| Material | ABS Plastic Housing, Tin-Plated Copper Studs |
| Switch Operation | 2 Position: ON – OFF |
| Rated Voltage | 12V – 48V DC |
| Continuous Rating | 275 Amps DC |
| Intermittent Rating | 455 Amps DC (5 min) |
| Cranking Rating | 1250 Amps DC (10 sec) |
| Terminal Studs | 2 x M10 (3/8″) Tin-Plated Copper |
| Dimensions (L x W x H) | 2.68″ x 2.68″ x 2.95″ (68mm x 68mm x 75mm) |
| Compliance | CE, RoHS, Meets ABYC Requirements |
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