Marine Battery Switch 175A Continuous (12V) / 300A Intermittent
MD1132
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- 30 Day Return Policy
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Marine Battery Selector Switch - 300A
Heavy-Duty Dual Battery Isolator & Change-Over Control
This heavy-duty marine battery switch is designed for dual battery systems, providing reliable isolation and change-over control. Whether you need to switch between independent battery banks or link them in parallel for emergency starting, this robust selector ensures your electrical system remains safe and manageable.
Key Features
- ✔ 4-Position: Off / 1 / 2 / Both (1+2)
- ✔ Non-corrosive Bakelite construction
- ✔ Integral safety push-lock knob
- ✔ Surface mount for easy installation
Technical Specs
| Continuous Rating | 175A @ 12V |
| Intermittent Rating | 300A |
| Voltage Range | 6V - 32V DC |
| Diameter | 133.3 mm |
| Height | 133.3 mm |
| Terminals | M10 (10mm Studs) |
Compatibility / Fitment Guide
| System Type | Application | Notes |
|---|---|---|
| Marine / Boat | Dual Battery Banks | Manage Starter & House Batteries |
| Motorhome / RV | Split Charging Systems | Suitable for 12V and 24V setups |
OEM Cross Reference
| Durite Reference | 0-605-09 |
| Perko Equivalent | 8501 Series Style |
| Guest Style | Selector Battery Switch |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for durability and electrical performance.
How do I know if it is compatible?
We recommend checking the dimensions and rating. If your existing switch has a ~133mm footprint and manages two batteries, this is a standard direct-fit replacement.
Can I use this for both starting and house batteries?
Yes, the 4-position selector allows you to isolate either battery or combine both in parallel for emergency starting or heavy load demands.
Note: Please verify your mounting clearance and system requirements against the specifications above before purchasing.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
