Description
Perko Dual Battery Switch | Boat Supply Store
Effectively manage your vessel's dual battery configuration with this Perko switch, designed for bulkhead installation and suitable for systems up to 50 V.D.C. It provides flexible control, allowing selection between Battery 1, Battery 2, Both, or Off, and operates with a critical make-before-break design to prevent system interruption. Rated for 140 Amps Continuous and featuring ignition protection, this component is engineered for reliable operation in demanding marine environments, essential for maintaining power for critical equipment on offshore fishing platforms or cruising yachts.
Key Features
- Provides flexible dual battery management
- Enables selection between batteries or combined parallel operation
- Functions as an emergency main disconnect
- Ensures safe operation with make-before-break design
- Offers ignition protection for hazardous locations
- Features four distinct switch positions
- Includes mounting ring and legs for secure bulkhead installation
- Built with a durable red polycarbonate body and nickel-plated terminals
Specifications
| Product Specifications | |
|---|---|
| Brand | Perko |
| SKU | CWR69972 |
| MPN | 8521DP |
| Amperage Rating (Continuous) | 140 Amps |
| Amperage Rating (5 Min. Intermittent) | 200 Amps |
| Amperage Rating (30 Second Start) | 250 Amps |
| Voltage Rating | 6-50 V.D.C. |
| Ignition Protected | Yes |
| Face Dimensions | 3-7/8" x 3-1/4" |
| Body Material | Red polycarbonate polymer |
| Actuator Key Material | Black polymer |
| Terminal Material | Nickel plated |
Who This Is For
Boat owners and marine technicians seeking to enhance electrical system flexibility by incorporating a second battery for accessories or implementing an emergency disconnect. This switch is ideal for those requiring reliable dual battery management and is designed for straightforward bulkhead installation.
How It Compares
| Feature | Perko Dual Battery Switch | Competitor |
|---|---|---|
| Amperage Rating (Continuous) | 140 Amps | 350 A |
| Voltage Rating | 6-50 V.D.C. | 32 VDC |
| Ignition Protected | Yes | Yes |
| Switch Positions | 4 (Both 'Off', Both 'On', Battery 1 'On'/Battery 2 'Off', Battery 1 'Off'/Battery 2 'On') | 4 |
| Mounting Type | Bulkhead Mount (with ring & legs) | Panel Mount |
Common Concerns Answered
Is the amperage rating sufficient for high-demand systems?
The Perko Dual Battery Switch is rated for 140 Amps Continuous, 200 Amps for 5 minutes intermittent, and 250 Amps for 30 seconds start, suitable for most standard marine electrical loads. For exceptionally high-demand systems, consult your system's total amp draw and compare it against these specifications or consider higher-rated switches.
Can I easily wire this switch if I'm not an expert?
Installation is rated as Moderate (3), requiring basic electrical wiring knowledge. Ensure proper gauge wire selection and secure crimping for optimal performance. The included mounting ring and legs facilitate bulkhead installation once wiring is completed.
Are the labels on the switch difficult to read in low light?
While the switch features clear labels, some users report difficulty in low light conditions. To mitigate this, consider using illuminated labels or marking the switch positions with a paint pen for enhanced visibility in any lighting scenario.
Frequently Asked Questions
What is the continuous amperage rating for the Perko Dual Battery Switch?
The continuous amperage rating for this Perko Dual Battery Switch is 140 Amps.
Can this switch be used with alternators and generators?
Yes, this switch is designed for use with 6-50 V.D.C. marine electrical systems, including alternators and generators.
What are the four switch positions available?
The four switch positions are: Both 'Off', Both 'On', Battery 1 'On'/Battery 2 'Off', and Battery 1 'Off'/Battery 2 'On'.
Is this switch ignition protected?
Yes, this Perko Dual Battery Switch is ignition protected, making it safe for use in gasoline-powered engine compartments.
What are the face dimensions of the Perko Dual Battery Switch?
The face dimensions of the Perko Dual Battery Switch are 3-7/8" x 3-1/4".
