Author Topic: DC switches.  (Read 158 times)

russ_drinkwater

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DC switches.
« on: April 16, 2017, 05:11:13 PM »
What is a good brand of dc switches that will not break the bank?
They need to handle 100 amps at 24 volts plus some margin as well.

Are these heavy enough?


MNEDCRT 175A to 250A
MNEDC175RT, MNEDC250RT
« Last Edit: April 16, 2017, 05:31:09 PM by russ_drinkwater »
Standalone. 20 Hyundai x 220 watts panels, 2 x classic 150's, Latronics 24 volt 3kw inverter, 8 x L16 Trojan 435 amp hour Batteries and Whiz bang Jnr, 12 Rolls surrete  4KS 25P  batteries and WBJ.
Grid tie feed-in, 12.5 kw in 3 arrays generating 50 kws per day average. Solar river grid tie inverters

Vic

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Re: DC switches.
« Reply #1 on: April 16, 2017, 05:40:53 PM »
Hi Russ,

I was going to suggest using the MNEDC 100 A Panel Mount breaker,  if the operating current is never over 100.0 Amps.   This is a C size frame,  which will fit into the MN DC Quad box, e-panels,   etc:

https://www.solar-electric.com/midnite-solar-150-volts-100-amps-dc-panel-mount-circuit-breaker.html

The MN DC breakers are rated for continuous current at its listed current rating (Handle Rating).

FWIW,    Vic
Off Grid - Two systems -- 4 SW+ 5548s, Surrette 4KS25 1280 AH X2@48V, 11.1 KW STC PV, 3X MidNite Classic 150 w/ WBjrs, Beta KID on S-530s, MX-60s, MN Bkrs/Boxes.  Thanks MN for Great Products/Service/Support!

russ_drinkwater

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Re: DC switches.
« Reply #2 on: April 16, 2017, 07:24:06 PM »
Hi,
Is this the type you are talking about?

http://www.ebay.com.au/itm/262907934006

Midnite Solar Circuit Breaker, 100A 150VDC, 1-Pole, Din Mount, Model MNEPV100

They are the cheaper option also for me with the overboard postage costs from the states.

For overkill I was looking at these as well.

http://www.ebay.com.au/itm/New-Siemens-NFX3N250-Circuit-Breaker-250A-3-pole-600V-AC-250V-DC-Adj-Trip-/171930977048?hash=item2807e28318:g:1AAAAOSwFnFV9O70

Siemens NFX3N250 Circuit Breaker 250A 3 pole 600V AC 250V DC Adj Trip
Standalone. 20 Hyundai x 220 watts panels, 2 x classic 150's, Latronics 24 volt 3kw inverter, 8 x L16 Trojan 435 amp hour Batteries and Whiz bang Jnr, 12 Rolls surrete  4KS 25P  batteries and WBJ.
Grid tie feed-in, 12.5 kw in 3 arrays generating 50 kws per day average. Solar river grid tie inverters

Robin

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Re: DC switches.
« Reply #3 on: April 16, 2017, 08:55:33 PM »
Too bad you are in OZ. I have some 156 amp/600VDC switches that we will never use. You could have one for free. They are actually four of the 1" wide E frame sized Carling breakers put together in series. They are a switch, not a breaker. Any of you on the forum that would like one or two, give us a shout. The MNEDC100 panel mount  is probably a good choice. The MNEPV100 din rail is also good, but costs more.
You can contact Max in OZ at this e-mail. He probably has some of the MNEDC100's coming from us.  168solagen@gmail.com

Good luck
Robin Gudgel

russ_drinkwater

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Re: DC switches.
« Reply #4 on: April 17, 2017, 04:31:03 PM »
What is the postage on a couple of switches Robin?
Ballpark.
No rush, but I will have to have it done before autumn and the increase in pv output again.
Standalone. 20 Hyundai x 220 watts panels, 2 x classic 150's, Latronics 24 volt 3kw inverter, 8 x L16 Trojan 435 amp hour Batteries and Whiz bang Jnr, 12 Rolls surrete  4KS 25P  batteries and WBJ.
Grid tie feed-in, 12.5 kw in 3 arrays generating 50 kws per day average. Solar river grid tie inverters

TomW

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Re: DC switches.
« Reply #5 on: April 17, 2017, 05:15:20 PM »
What is the postage on a couple of switches Robin?
Ballpark.
No rush, but I will have to have it done before autumn and the increase in pv output again.

I used to send stuff to Au when I sold on feebay. We got around the import duties by calling stuff "engineering Samples" or "Salvage" you can probably honestly claim either one?

Shipping is not something I am current on these days.

It is a measly 9,000 miles so I don't see why it should be so expensive to ship! :o

Tom
Do NOT mistake me for any kind of "expert".

( ͡° ͜ʖ ͡°)


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CDN-VT

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Re: DC switches.
« Reply #6 on: April 18, 2017, 12:57:53 AM »
Too bad you are in OZ. I have some 156 amp/600VDC switches that we will never use. You could have one for free. They are actually four of the 1" wide E frame sized Carling breakers put together in series. They are a switch, not a breaker. Any of you on the forum that would like one or two, give us a shout. The MNEDC100 panel mount  is probably a good choice. The MNEPV100 din rail is also good, but costs more.
You can contact Max in OZ at this e-mail. He probably has some of the MNEDC100's coming from us.  168solagen@gmail.com

Good luck

Lets see If I can ship from the Commonwealth to OZ  !
CDN to AUZI
Russ ya know Encarta flow ? problem is CDN shipping , USA to Auzi on person to person is better .


We have more BS & Crap  of stuff
VT

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Nig`
Canadian Solar 350W 37.6 VOC  30.6 VMP 8.22 ISC 7.87 IMP ,-15 c -30c max  4 strings in 2 in Series for 24v Classic 150 -660 Ah  Freezers & fridges ~~~ Second Array same panels of 2sx3 parallel for 24 V Classic 150 -440 Ah  SS300 for lights & overhead door. Building the 36 panel 48 volt system now.

russ_drinkwater

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Re: DC switches.
« Reply #7 on: April 18, 2017, 04:15:40 PM »
If the value is under $1000 au then no import duties, just postage from the states.
Let me know the cost and if it ok I can bpay or the like to where ever account etc etc.
Standalone. 20 Hyundai x 220 watts panels, 2 x classic 150's, Latronics 24 volt 3kw inverter, 8 x L16 Trojan 435 amp hour Batteries and Whiz bang Jnr, 12 Rolls surrete  4KS 25P  batteries and WBJ.
Grid tie feed-in, 12.5 kw in 3 arrays generating 50 kws per day average. Solar river grid tie inverters

Westbranch

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Re: DC switches.
« Reply #8 on: April 18, 2017, 06:30:13 PM »
Russ just so you know those switches are a cube, about 6'' x 6'' x 6'' each... nice 'n beefy

http://midniteftp.com/forum/index.php?topic=939.0
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CDN-VT

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Re: DC switches.
« Reply #9 on: April 19, 2017, 09:59:58 PM »
Russ , You get squared with Robin & I'll pick up from MN or touch base with Robin  ( Leave at Michelle's desk ) and I will ship to you from USA from my USA house to you as personal . End of this month Im back down for the last time till fall .

VT
Canadian Solar 350W 37.6 VOC  30.6 VMP 8.22 ISC 7.87 IMP ,-15 c -30c max  4 strings in 2 in Series for 24v Classic 150 -660 Ah  Freezers & fridges ~~~ Second Array same panels of 2sx3 parallel for 24 V Classic 150 -440 Ah  SS300 for lights & overhead door. Building the 36 panel 48 volt system now.

russ_drinkwater

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Re: DC switches.
« Reply #10 on: April 20, 2017, 04:44:01 PM »
What is the weight range?
I would need to get 4 to do all systems.
Robin, how much cash for 4 units!
And payment options?
Standalone. 20 Hyundai x 220 watts panels, 2 x classic 150's, Latronics 24 volt 3kw inverter, 8 x L16 Trojan 435 amp hour Batteries and Whiz bang Jnr, 12 Rolls surrete  4KS 25P  batteries and WBJ.
Grid tie feed-in, 12.5 kw in 3 arrays generating 50 kws per day average. Solar river grid tie inverters

Westbranch

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Re: DC switches.
« Reply #11 on: April 20, 2017, 05:43:35 PM »
Russ your fastest contact will be    Robin @ MidNitesolar.com....  ps leave out the spaces ;)
CL647 asleep
KID 51(B) FW1811 560W C&D 24V 900Ah AGM
CL 29032 FW V.2126-NW2097-GP2133 175A E-Panel WBjr, 3Px4s 140W > 24V 900Ah AGM,
Linksys Wet54g Bridge NetGear DS104Hub, ASUS RTN10 rter,
Hughes 1100 Modem
Cotek ST1500 Inv, Omnicharge 3024  Eu3/2/1000i Gens
West Chilcotin, BC 1680 watts to come

russ_drinkwater

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Re: DC switches.
« Reply #12 on: April 21, 2017, 04:44:49 PM »
Ta mate.
Standalone. 20 Hyundai x 220 watts panels, 2 x classic 150's, Latronics 24 volt 3kw inverter, 8 x L16 Trojan 435 amp hour Batteries and Whiz bang Jnr, 12 Rolls surrete  4KS 25P  batteries and WBJ.
Grid tie feed-in, 12.5 kw in 3 arrays generating 50 kws per day average. Solar river grid tie inverters

CDN-VT

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Re: DC switches.
« Reply #13 on: April 21, 2017, 11:15:37 PM »
Russ im down in first of may , Make it happen & have time to spare, Im not going to time to your speed .
VT   
Canadian Solar 350W 37.6 VOC  30.6 VMP 8.22 ISC 7.87 IMP ,-15 c -30c max  4 strings in 2 in Series for 24v Classic 150 -660 Ah  Freezers & fridges ~~~ Second Array same panels of 2sx3 parallel for 24 V Classic 150 -440 Ah  SS300 for lights & overhead door. Building the 36 panel 48 volt system now.

Robin

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Re: DC switches.
« Reply #14 on: April 22, 2017, 06:18:43 PM »
I will tell Michelle to give you all the 156 amp switches you want. No charge. She will get them from Walter, but I will show here where they are located.
Robin Gudgel