Perko 8503DP Medium Duty Battery Selector Switch with Alternator Field Disconnect (AFD). Polycarbonate body with brass terminals, ignition protected for use with 6 to 32 volt marine electrical systems. Continuous amperage rating 250A (360A intermittent for 5 minutes). Terminal stud size 5/16". Interrupts alternator field current on non-unitized alternators when turned OFF while engine is running. AFD: Yes. Lockable: No. Positions: 2. Includes screw terminals and surface-mount design. IP65 rated components and metal contact materials provide durable performance in boating and marine electrical applications.
| Materials & Construction | |
| Color | No Color |
| Material | Metal |
| Outer Material | Metal |
| Product Details | |
| Actuator Type | Push Button |
| Actuator Type (duplicate-check) | Push Button |
| AFD | Yes |
| Circuit Type | 2-way |
| Connectivity Protocol | X-10 |
| Connector Type | Screw Terminals |
| Contact Material | Metal |
| Contact Type | Normally Open |
| Continuous Amperage | 250a |
| Control Method | Touch |
| Included Components | Great Product |
| International Protection Rating | IP65 |
| Lockable | No |
| Mounting Type | Surface Mount |
| Number of Positions | 2 |
| Operation Mode | manual |
| Terminal | Through Hole |
| Warranty | Warranty |
| Sizing & Dimensions | |
| Height | 3 inches |
| Length | 8 inches |
| Product Dimensions | 8 x 6 x 3 inches |
| Size | No Size |
| Weight | 0.85 pounds |
| Width | 6 inches |
| Technical Specifications | |
| Continuous Amperage Rating | 250a (continuous); 360a (5 minutes intermittent) |
| International Protection Rating | IP65 |
| Terminal Stud Size | 5/16" |
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