Description
Perko 250A Battery Selector Switch | Boat Supply Store
Ensure robust power distribution and alternator protection for medium-duty marine applications with the Perko 8501DP battery selector switch. This unit provides a substantial 250A continuous and 360A intermittent capacity, supporting electrical systems operating between 6 to 32 volts. Its critical safety function includes interrupting field current for non-unitized alternators when the engine is running and the switch is turned off, preventing potential component damage on vessels operating in the Gulf of Mexico or coastal waters.
Key Features
- Handles 250 AMPS Continuous Power
- Supports 360 AMPS Intermittent Loads
- Operates across 6 to 32 Volt Marine Electrical Systems
- Protects non-unitized alternators by interrupting field current when the engine is running and the switch is OFF
- Engineered for Medium Duty Marine Applications
- Reliable Brand Reputation in Marine Electrical
- Durable Construction for Harsh Marine Environments
- Facilitates straightforward battery bank management
Specifications
| Product Specifications | |
|---|---|
| Continuous Amperage Capacity | 250A |
| Intermittent Amperage Capacity | 360A |
| Voltage Range | 6 to 32 Volt DC |
| Field Current Interruption | Yes (for non-unitized alternators) |
| Diameter | 5-1/4 inches |
| Depth | 2-5/8 inches |
| Duty Rating | Medium Duty |
Who This Is For
Boaters with medium-duty electrical systems requiring reliable battery selection and management, particularly those with 6 to 32-volt systems and non-unitized alternators. Ideal for vessels where alternator protection is a critical concern.
How It Compares
| Feature | Perko 250A Battery Selector Switch | Blue Sea Systems m |
|---|---|---|
| Continuous Amperage | 250A | 300A |
| Intermittent Amperage | 360A | 400A |
| Voltage Range | 6-32V DC | 12-48V DC |
| Field Current Interruption | Yes (for non-unitized alternators) | Not specified |
| Diameter | 5-1/4" | Approx. 5.5" |
| Depth | 2-5/8" | Approx. 3.5" |
Common Concerns Answered
Will the terminal studs accommodate large gauge battery cables?
While generally sufficient for medium-duty applications, some users have noted the terminal studs may be slightly smaller than ideal for extremely large gauge wires. Proper crimping and secure connections are always paramount.
Is this switch difficult to install in tight spaces?
The 5-1/4 inch diameter may require careful consideration for mounting in very confined spaces. Planning your installation location in advance is recommended.
What is the primary benefit of this switch over a basic on/off switch?
Beyond reliable battery selection, the Perko 8501DP offers critical protection for non-unitized alternators by interrupting field current when the engine is running and the switch is off, preventing potential damage and ensuring system longevity.
Frequently Asked Questions
What is the continuous amperage rating of the Perko 8501DP battery selector switch?
The Perko 8501DP battery selector switch has a continuous amperage rating of 250 Amps.
What is the intermittent amperage rating of the Perko 8501DP battery selector switch?
The Perko 8501DP battery selector switch is rated for 360 Amps of intermittent amperage.
What voltage range is the Perko 8501DP battery selector switch compatible with?
The Perko 8501DP battery selector switch is designed for use with marine electrical systems operating in the 6 to 32 Volt DC range.
Can the Perko 8501DP battery selector switch interrupt field current when the engine is running?
Yes, the Perko 8501DP battery selector switch features an interruption of field current for non-unitized alternators when the switch is turned OFF with the engine running.
What are the physical dimensions of the Perko 8501DP battery selector switch?
The Perko 8501DP battery selector switch has a diameter of 5-1/4 inches and a depth of 2-5/8 inches.
