[RE-wrenches] SMA SB 2500U

[Glenn Burt]

Hi Kirk,

 

Can you elaborate on which UL standards the older SB units don’t comply with?

 

-Glenn

 

From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> On Behalf Of Kirk Herander, VSE
Sent: Tuesday, May 18, 2021 6:42 AM
To: re-wrenches at lists.re-wrenches.org
Subject: Re: [RE-wrenches] SMA SB 2500U

 

These older Sunnyboys do not comply with latest UL standards regardless. If its a new installation, a savvy utility  / AHJ will catch this.

 

Kirk Herander / kirkh at vermont.solar <mailto:kirkh at vermont.solar> 

Owner|Principal, VT Solar, LLC

Celebrating our 30th Anniversary 1991-2021!!

 <https://nam02.safelinks.protection.outlook.com/?url=www.vermontsolarnow.com&data=02%7C01%7C%7C9f0330d75a244870112408d685311841%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636842843233477645&sdata=0NjyuKeQbEK6245SNnk8X4XnP9Q%2B%2BqtvcALkdDghvk4%3D&reserved=0> www.vermont.solar

dba Vermont Solar Engineering

802.863.1202

On 5/17/2021 3:53:26 PM, William Miller <william at millersolar.com <mailto:william at millersolar.com> > wrote:

Jay: 

Some years ago I mis-ordered 5 SB2500s for 208 three phase and it turned 
out the system was 240 VAC three phase (open delta). I had to return the 
inverters to the factory to be converted and I had to rewire all of the 
arrays. So no, I don't think this can be done in the field. 

William Miller 

Miller Solar 
17395 Oak Road, Atascadero, CA 93422 
805-438-5600 
www.millersolar.com <http://www.millersolar.com>  
CA Lic. 773985 


-----Original Message----- 
From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On 
Behalf Of Jay 
Sent: Monday, May 17, 2021 11:44 AM 
To: RE-wrenches 
Subject: [RE-wrenches] SMA SB 2500U 

Does anyone know if you can convert a 
SMA SB2500U ( old red inverter) from 208 to 240vac? 

Without using a boost transformer. 

Thx 
Jay 

Peltz power. 


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