Adding breakers to the DC panel for Raymarine ev-100 auto pilot installation.

[bozturk]

Hello All, I need to add a 5 amp breaker switch and a 15 amp breaker switch to the empty "accessory" slots on my 12 volt panel for a 1985 32-III. Has anyone researched which manufacturer and model # to consider? They look like white toggle switches.

Thanks in advance for any input.

 

[1911tex]

I don't know but perhaps confusing "breaker switch" with "fuse"? Fuse goes in-line with the positive lead at the accessory itself. I may be confused. Perhaps a controlling "Auto Pilot" on/off switch on the DC panel...like "Outlets" or "Anchor Light" ?

 

[Loren Beach]

Not sure if your '85 model has the 'push button' breaker style or the 'toggle switch' style of my '88 model panel. Newmar panel?
Can you post a picture of the panel front (and back) ?

I have changed out several breakers over the years; it's fiddly work and the little screws are tricky to get at. Takes patience and some perseverance.
Also a small right angle screwdriver.

 

[Tin Kicker]

I also have a 1985 32-3 and the BlueSeas A Series toggle breakers fit the holes and work.

A-Series - Blue Sea Systems

Magnetic hydraulic circuit breakers that combine switching and circuit protection into a single device.

www.bluesea.com

If you right click on the PN the specs for that breaker show up.

 

[bozturk]

I also have a 1985 32-3 and the BlueSeas A Series toggle breakers fit the holes and work.

A-Series - Blue Sea Systems

Magnetic hydraulic circuit breakers that combine switching and circuit protection into a single device.

www.bluesea.com

If you right click on the PN the specs for that breaker show up.

Thanks Tin Kicker, I ordered them from Amazon, $15 each.

 

[bozturk]

I don't know but perhaps confusing "breaker switch" with "fuse"? Fuse goes in-line with the positive lead at the accessory itself. I may be confused. Perhaps a controlling "Auto Pilot" on/off switch on the DC panel...like "Outlets" or "Anchor Light" ?

Those are not only on/off switches, but also circuit breakers. They do have a similar function as the inline fuse., but reusable....

 

[goldenstate]

I installed a small fuse block behind my panel to power the:

NMEA2K/STNG network (5amp connection for the EV100)
AIS700
Axiom MFD

These three are switched on by a 15 amp breaker labeled "Instruments," but the fuse block protects each component at appropriately-limited fuses.

I have a separate (10amp) breaker for the wheel drive motor.

 

[bozturk]

I installed a small fuse block behind my panel to power the:
View attachment 35047
NMEA2K/STNG network (5amp connection for the EV100)
AIS700
Axiom MFD

These three are switched on by a 15 amp breaker labeled "Instruments," but the fuse block protects each component at appropriately-limited fuses.

I have a separate (10amp) breaker for the wheel drive motor.

Thanks for sharing this. I have a quick question: Wheel drive motor is connected to and powered by ACU-100 controller not by the panel. So, do you have an inline circuit breaker/fuse between the motor and the controller or between the controller and the battery?

 

[bozturk]

I installed a small fuse block behind my panel to power the:
View attachment 35047
NMEA2K/STNG network (5amp connection for the EV100)
AIS700
Axiom MFD

These three are switched on by a 15 amp breaker labeled "Instruments," but the fuse block protects each component at appropriately-limited fuses.

I have a separate (10amp) breaker for the wheel drive motor.

I assume 10 amp breaker is between the battery and the ACU-100 controller...

 

[goldenstate]

Thanks for sharing this. I have a quick question: Wheel drive motor is connected to and powered by ACU-100 controller not by the panel. So, do you have an inline circuit breaker/fuse between the motor and the controller or between the controller and the battery?

I have

Battery Power -> 10amp panel dedicated circuit breaker "Accessory 1" -> ACU100 (with integrated fuse) -> Wheel Drive Motor.

The ACU has its own on-board fuse, so my impression was that no fuse protection is necessary between the ACU controller and the Wheel Drive Motor.

 

[David Grimm]

If you already have a breaker labeled instruments you can use that circuit to activate a relay. Relays only draw milliamps. Use a fuse close to the battery to feed the switched portion of the relay to feed the autopilot. This method allows all instruments to come on with the one breaker switch without over taxing its current capabilities.

 

[bozturk]

If you already have a breaker labeled instruments you can use that circuit to activate a relay. Relays only draw milliamps. Use a fuse close to the battery to feed the switched portion of the relay to feed the autopilot. This method allows all instruments to come on with the one breaker switch without over taxing its current capabilities.

Endless Possibilities ) Thanks for the advice but, I already purchased the circuit breakers for this project. I think I will run out of space the panel soon for the future projects.

 

[goldenstate]

I have

Battery Power -> 10amp panel dedicated circuit breaker "Accessory 1" -> ACU100 (with integrated fuse) -> Wheel Drive Motor.

The ACU has its own on-board fuse, so my impression was that no fuse protection is necessary between the ACU controller and the Wheel Drive Motor.

I double-checked this today and in fact I added an in-line fuse between the breaker and the ACU. This is probably overkill and will add complexity to trouble shooting if the breaker doesn’t pop but the motor stops.

So, I have:

Battery->Breaker Switch ->Fuse->ACU100 with integrated fuse -> drive motor.

 

[bozturk]

I double-checked this today and in fact I added an in-line fuse between the breaker and the ACU. This is probably overkill and will add complexity to trouble shooting if the breaker doesn’t pop but the motor stops.

So, I have:

Battery->Breaker Switch ->Fuse->ACU100 with integrated fuse -> drive motor.

Now the most basic question: where do i connect the ground wire? Seatalk ng power cable and the acu has +/-/g wires. Where does the ground go?
Thanks in advance....

 

[goldenstate]

Now the most basic question: where do i connect the ground wire? Seatalk ng power cable and the acu has +/-/g wires. Where does the ground go?
Thanks in advance....

Look for a negative bus bar behind your panel, into which many black wires are secured. Negative ground wire go there.

 

[Christian Williams]

Hi Bozturk,

Go to Username/Account Details/Signature and let us know what boat and engine you have in th eSignature line, which will then appear below each post. This keeps folks from having to look up your profile each time, since everything we discuss here seems to relate to the model and year in question.

 

[bozturk]

Look for a negative bus bar behind your panel, into which many black wires are secured. Negative ground wire go there.

There is the red wire (positive), black wire (negative) and the naked ground wire. Where do i attach the naked ground wire? Same negative bus as the black?
1985 E32-3
Universal 25 diesel
City Island, NY

 

[JSM]

Had the same question when I installed my EV100 last month. Called an electrician friend who told me that the bare wire was a chassis ground and that I should ignore it.
Hooked up the red and black and everything worked just fine.

 

[bozturk]

Thank you. I was told to connect it to negative bar if i don't have a separate ground bar.

 

[fool]

The case ground wire is to protect against shock should a short circuit electrify the case. Without it when a short occurs you'll become the ground. Look on the engine for a wire (or battery cable) bolted to the block and follow it back to a bus bar. This is where your case ground should terminate.