Description
Perko Heavy Duty Battery Switch w/Alt Field Disconnect | Boat Supply Store
Engineered to safeguard critical marine electrical systems, this Perko Heavy Duty Battery Selector Switch prevents alternator damage when switching off a running engine. It boasts a substantial 250 AMPS continuous and 360 AMPS intermittent (5 min) capacity, making it suitable for demanding 6 to 32 Volt applications common on offshore fishing vessels. The robust polycarbonate body and ignition-protected design ensure reliable operation in harsh saltwater environments.
Key Features
- 250 AMPS Continuous Current Handling
- 360 AMPS Intermittent (5 Min) Rating
- Ignition Protected for Safe Operation in Hazardous Atmospheres
- Alternator Field Disconnect Safeguards Non-Unitized Alternators
- Polycarbonate Body for Superior Durability
- Brass Terminals Ensure Excellent Conductivity
- 6 to 32 Volt System Compatibility
- Heavy-Duty Construction for Marine Environments
Specifications
| Product Specifications | |
|---|---|
| Brand | Perko |
| SKU | CWR33120 |
| MPN | 8603DP |
| Continuous Amperage | 250 AMPS |
| Intermittent Amperage (5 min) | 360 AMPS |
| Voltage System Compatibility | 6 to 32 Volt |
| Body Material | Polycarbonate |
| Terminal Material | Brass |
| Terminal Stud Size | 5/16" |
| Diameter | 5-1/4" |
| Depth | 2-5/8" |
| Ignition Protected | Yes |
| Alternator Field Disconnect | Yes |
Who This Is For
Marine enthusiasts and boat owners requiring a robust and reliable battery management solution with advanced safety features. Essential for boat technicians ensuring proper installation and protection of marine electrical systems.
How It Compares
| Feature | Perko Heavy Duty Battery Switch w/Alt Field Disconnect | Blue Sea Systems m |
|---|---|---|
| Continuous Amperage | 250 AMPS | 300 A, 200 A |
| Intermittent Amperage (5 min) | 360 AMPS | 400 A, 300 A |
| Voltage System Compatibility | 6 to 32 Volt | 12-48 VDC, 6-36 VDC |
| Alternator Field Disconnect | Yes | No, No |
| Ignition Protected | Yes | Yes, Yes |
| Body Material | Polycarbonate | High-impact ABS, ABS Plastic |
| Terminal Material | Brass | Tin-plated copper, Brass |
| Terminal Stud Size | 5/16" | 3/8", 3/8" |
Common Concerns Answered
Some users note the terminal stud size is 5/16". Does this require special ring terminals?
Yes, the 5/16" terminal stud size on the Perko 8603DP is compatible with specific ring terminals; ensure you have the correct size to maintain a secure connection, unlike the 3/8" terminals on some competitor models.
I have a very compact helm. Will the 5-1/4" diameter be an issue?
While the 5-1/4" diameter offers robust connection points, some installations in extremely confined spaces may require careful mounting consideration due to its size compared to smaller diameter switches.
Is the alternator field disconnect feature truly necessary for my boat?
The alternator field disconnect is a critical safety feature specifically for non-unitized alternators, preventing damage when the battery switch is turned off while the engine is running. If your alternator is unitized, this feature may not be a primary concern, but it provides an added layer of protection.
Frequently Asked Questions
What is the continuous amperage rating of the Perko 8603DP battery selector switch?
The Perko 8603DP features a continuous amperage rating of 250 AMPS.
What is the intermittent amperage rating of the Perko 8603DP battery selector switch?
The intermittent amperage rating for the Perko 8603DP is 360 AMPS for a duration of 5 minutes.
What voltage systems is the Perko 8603DP battery selector switch compatible with?
This switch is designed for compatibility with 6 to 32 Volt marine electrical systems.
Does the Perko 8603DP battery selector switch have alternator field disconnect functionality?
Yes, the Perko 8603DP includes an alternator field disconnect for non-unitized alternators.
Is the Perko 8603DP battery selector switch ignition protected?
Yes, the Perko 8603DP is ignition protected, ensuring safe operation in potentially hazardous marine environments.
