Description
Egis M-Series 300A Dual Circuit Battery Switch | Boat Supply Store
Engineered for the rigors of marine environments, this Egis M-Series dual circuit battery switch safeguards critical onboard electrical systems. It provides robust control for managing power distribution from two battery banks, featuring an ignition protection rating per SAE J1171 and ISO 8846, crucial for gasoline-powered vessels. With 3/8"-16 terminal studs rated for 120 in-lbs and accommodating up to 4/0 AWG cable, it ensures secure, high-capacity connections for reliable operation in demanding conditions, from coastal fishing excursions to offshore cruising.
Key Features
- Superior Sealing against dust and water ingress for extended component life.
- Ignition Protected to SAE J1171 / ISO 8846 standards, ensuring safe operation in hazardous locations.
- Vibration Resistant design with serrated flange lock nuts to maintain secure connections.
- Dual Circuit Capability for independent management of two battery banks.
- Harsh Environment Design utilizing stainless steel hardware and high-temperature resistant materials.
- Flexible Mounting Options suitable for bulkhead or panel installation.
- High Amperage Handling with a continuous rating of 300A for demanding electrical loads.
- Versatile Cable Accommodation accepting up to 4/0 AWG cable for substantial power transfer.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 300A |
| Circuit Type | Dual Circuit |
| Operation | Off/On |
| Max Voltage (Single Circuit) | 48 Vdc |
| Max Voltage (Dual Circuit) | 32 Vdc |
| Terminal Stud Size | 3/8"-16 |
| Terminal Stud Torque Rating | 120 in-lbs (13.6 N-m) |
| Ring Terminal Acceptance | 3/8" (M10) |
| Ignition Protection Certification | SAE J1171 / ISO 8846 |
| Mounting Type | Bulkhead/Panel |
| Hole Size Required | 2-5/8" / 2-5/16" |
| Max Cable Size | 4/0 AWG |
Who This Is For
Boat owners and marine technicians requiring a robust and safe battery management solution for dual battery systems in challenging marine environments, particularly those where ignition protection is mandated. This switch is ideal for vessels operating in high-moisture or high-vibration conditions needing dependable power control.
How It Compares
| Feature | Egis M-Series 300A Dual Circuit Battery Switch | Competitor |
|---|---|---|
| Amperage Rating | 300A | 300A |
| Max Voltage (Dual Circuit) | 32 Vdc | 32 Vdc |
| Ignition Protection | SAE J1171 / ISO 8846 | Yes |
| Sealing | Sealed Against Dust & Water Intrusion | Water-resistant |
| Vibration Resistance Feature | Serrated Flange Lock Nuts | Standard lock nut |
Common Concerns Answered
Are replacement parts readily available for this Egis battery switch?
While some users have noted challenges with older models, the Egis M-Series 300A Dual Circuit Battery Switch is a current production model, ensuring continued availability of necessary components through authorized marine parts suppliers.
Is the installation process complex for a novice?
The installation difficulty is rated as moderate (3/5), requiring fundamental knowledge of marine electrical systems and proper termination techniques. For optimal results, understanding dual battery configurations is beneficial.
Is the initial cost a significant barrier?
While the initial investment may appear higher than simpler single-circuit switches, the Egis M-Series' advanced safety certifications (SAE J1171/ISO 8846), superior sealing, and robust construction provide long-term reliability and safety, justifying the expenditure for critical applications.
Frequently Asked Questions
What is the maximum voltage for the Egis M-Series 300A Dual Circuit Battery Switch?
The maximum voltage for a single circuit is 48 Vdc, and for a dual circuit configuration, the maximum voltage is 32 Vdc.
Is this battery switch ignition protected?
Yes, the Egis M-Series 300A Dual Circuit Battery Switch is ignition protected per SAE J1171 and ISO 8846 standards.
What size ring terminals does this switch accept?
This switch accepts 3/8" (M10) ring terminals for secure connections.
What is the recommended torque for the terminal studs?
The recommended torque for the 3/8"-16 terminal studs is 120 in-lbs (13.6 N-m).
Can this switch be used in harsh marine environments?
Absolutely. Its harsh environment design incorporates stainless steel hardware, high-temperature materials, and superior sealing, making it exceptionally durable for demanding marine conditions.
