Description
Newmar 7.5A AC Selector Switch | Boat Supply Store
Prevent hazardous simultaneous connections of multiple AC sources with the Newmar SS Switch - 7.5 AC Selector. This 2-pole, 2-position switch operates at 63 Amps and 115/230V, safeguarding onboard electrical systems from damaging backfeeds. Its robust construction ensures reliable performance, critical for managing power from shore, generator, or inverter on larger sportfishing boats navigating the Gulf Coast.
Key Features
- Isolates power source inputs to prevent hazardous conditions
- Prevents damage to onboard electrical systems
- Features a compact escutcheon plate with clear nomenclature
- Ensures reliable performance with heavy-duty contacts
- Provides positive step cam mechanism for low-resistance closure
- Certified for safety with cUL and CE approvals
- Allows rear-mounting in panels up to 1/4" thick
- Offers secure and safe AC power source selection
Specifications
| Product Specifications | |
|---|---|
| Brand | Newmar Power |
| Product Name | SS Switch - 7.5 AC Selector Switch |
| SKU | CWR102427 |
| MPN | SS SWITCH7.5 |
| Amperage Rating | 63 Amps |
| Voltage Rating | 115/230V AC |
| Poles | 2-Pole |
| Positions | 2-Position (+OFF) |
| Panel Thickness Support | Up to 1/4" |
| Depth | 2-3/8" |
| Safety Certifications | cUL, CE |
Who This Is For
Marine electricians and boat owners who require a dependable method for selecting between multiple AC power sources, such as shore power, generators, or inverters. Essential for ensuring safe and efficient power distribution on any vessel.
How It Compares
| Feature | Newmar 7.5A AC Selector Switch | Competitor |
|---|---|---|
| Amperage @ 115/230V | 63A | N/A (DC Switch), 30A |
| Number of Poles | 2 | 1, 2 |
| Switch Positions | 2 + "OFF" | 3 (ON, OFF, BOTH), 3 |
| Voltage Rating | 115/230V AC | 32V DC, 125V AC |
| Panel Thickness Support | Up to 1/4" | Varies by mounting hardware, Varies by mounting hardware |
| Depth Dimensions | 2-3/8 in. | Approx. 4.5 inches, Approx. 3.5 inches |
| Safety Certifications | cUL, CE | UL Listed, UL Listed |
Common Concerns Answered
I'm concerned about finding installation diagrams for my specific multi-source setup. How complex is the wiring?
While specific diagrams for every complex multi-source setup may require professional interpretation, the Newmar SS Switch is designed for clarity. Its 2-pole, 2-position configuration with 'SHIP-OFF-SHORE' markings simplifies wiring logic, and the provided manual offers essential guidance. For intricate systems, consulting a qualified marine electrician is always recommended to ensure optimal safety and functionality.
I've heard about issues with knob or lever tightness on similar switches over time. How durable is this mechanism?
The Newmar SS Switch features heavy-duty contacts and a positive step cam mechanism specifically engineered for durability and low-resistance contact closure. This robust design aims to mitigate common issues related to wear and tear, ensuring consistent and reliable operation for extended periods, even under frequent use.
The price is higher than simpler switches. Is this level of sophistication truly necessary for my boat?
The price reflects the critical safety and reliability provided by this dedicated AC selector. It prevents hazardous backfeeds and protects expensive onboard electronics, offering peace of mind essential for systems drawing significant power. If your vessel utilizes multiple AC sources like shore power and a generator, investing in this level of protection is a prudent decision for long-term system integrity and user safety.
Frequently Asked Questions
What is the amperage rating of the Newmar SS Switch - 7.5 AC Selector Switch?
The Newmar SS Switch - 7.5 AC Selector Switch is rated for 63 Amps at 115/230V AC.
How many poles does this AC selector switch have?
This AC selector switch is a 2-pole unit.
What are the available switch positions for this Newmar switch?
The available switch positions are 'SHIP', 'OFF', and 'SHORE'.
Can this switch be rear-mounted, and what is the maximum panel thickness it supports?
Yes, this switch can be rear-mounted in panels up to 1/4" thick.
What happens if two AC sources are applied to the same circuit simultaneously without a selector switch?
Applying two AC sources simultaneously without a selector switch can cause severe damage to onboard electrical systems, potentially lead to electrical fires, and create dangerous electrical hazards for individuals on board.
