Description
Perko Single Battery Disconnect Switch - Cup Mount | Boat Supply Store
Securely isolate a single battery bank from your vessel's DC electrical system with the Perko Single Battery Disconnect Switch. Engineered for reliable operation, this ignition-protected switch is rated for 140 Amps continuous and 250 Amps for 30 seconds of starting current, making it suitable for offshore fishing vessels operating in demanding conditions. Its compact, cup mount design requires only a 3-inch hole for a clean, integrated installation in 6-50 V.D.C. systems.
Key Features
- Secure single battery disconnection
- Ignition Protected for safe operation in gasoline-powered engine spaces
- Removable Actuator Key deters unauthorized use and enhances security
- Cup Mount Installation offers a clean, integrated look requiring a 3" hole
- Compact and Unique Oval Shape fits discreetly in tight spaces
- Nickel Plated Terminals ensure corrosion resistance and reliable conductivity
- 140 Amps Continuous rating supports primary power needs
- Designed for 6-50 V.D.C. marine electrical systems
Specifications
| Product Specifications | |
|---|---|
| Brand | Perko |
| MPN | 9621DPC |
| Continuous Amperage Rating | 140 Amps |
| Intermittent Amperage Rating (5 Min) | 200 Amps |
| Start Amperage Rating (30 Sec) | 250 Amps |
| Voltage Rating | 6-50 V.D.C. |
| Mounting Type | Cup Mount |
| Required Hole Size | 3" diameter |
| Face Dimensions | 3" x 2-1/2" |
| Ignition Protected | Yes |
| Removable Actuator Key | Yes |
| Terminal Type | Nickel plated |
Who This Is For
Boat owners and marine technicians requiring a robust and secure method to disconnect a single battery, ideal for vessel storage or emergency shut-off. This switch is perfectly suited for vessels equipped with 6-50 V.D.C. marine electrical systems.
How It Compares
| Feature | Perko Single Battery Disconnect Switch - Cup Mount | Competitor |
|---|---|---|
| Amperage Rating (Continuous) | 140 A | 300 A, 125 A |
| Amperage Rating (Intermittent) | 200 A | 400 A, 200 A |
| Amperage Rating (30 Second Start) | 250 A | 600 A, 300 A |
| Voltage Rating | 6-50 V.D.C. | 48 VDC, 32 VDC |
| Mounting Type | Cup Mount (3" hole) | Panel Mount, Panel Mount |
| Ignition Protected | Yes | Yes, Yes |
| Removable Key | Yes | No, Yes |
Common Concerns Answered
Will the terminals accommodate large gauge battery cables?
While nickel-plated for durability, some users report the terminal size can be restrictive for extremely large gauge wires. Ensure your wire gauge is compatible or consider using appropriate reducers if necessary.
Is the actuator key durable?
The removable plastic actuator key provides enhanced security. Occasional reports suggest that applying excessive force can lead to breakage; handle the key with care during operation.
Is this switch suitable for high-demand engine starting?
The Perko switch offers a 250 Amp rating for 30-second starting bursts, which is adequate for most gasoline and smaller diesel engines. For extremely high-demand systems, compare the continuous and start ratings against your specific load requirements.
Frequently Asked Questions
What is the continuous amperage rating for the Perko Single Battery Disconnect Switch - Cup Mount?
The Perko Single Battery Disconnect Switch - Cup Mount is rated for 140 Amps continuous.
What is the intermittent amperage rating for the Perko Single Battery Disconnect Switch - Cup Mount?
The intermittent amperage rating for this Perko switch is 200 Amps for 5 minutes.
What is the start amperage rating for the Perko Single Battery Disconnect Switch - Cup Mount?
The start amperage rating is 250 Amps for 30 seconds.
What is the required hole size for the cup mount installation of this Perko switch?
The cup mount installation requires a 3-inch diameter hole.
Is the Perko Single Battery Disconnect Switch ignition protected?
Yes, the Perko Single Battery Disconnect Switch is ignition protected, making it safe for installation in locations where flammable vapors may be present.
