Hi,
Is there a way to confirm if a CB is good for Branch Circuit Protection vs
Supplementary by the markings on the device? Basically I want to be able to
confirm in the field.
I reviewed UL's guide cards for both (Branch Circuit - DIVQ and Supplementary -
QVNU2). There are markings for
@LISTSERV.IEEE.ORG
Subject: [PSES] Circuit Breakers - Branch Circuit Protection vs Supplementary
Hi,
Is there a way to confirm if a CB is good for Branch Circuit Protection vs
Supplementary by the markings on the device? Basically I want to be able to
confirm in the field.
I reviewed UL's guide cards for both
John -
The simplest method is whether or not the breaker is Listed or Recognized.
If it's Listed, it's suitable for branch circuit protection, within the
caveats of the product category (some exceptions may exist, but should be
detailed in the Listing). Recognized breakers are never suitable for
Thanks guys! I especially like to Vulcan Mind-meld
On Dec 3, 2013, at 2:11 PM, Peter Tarver
ptar...@enphaseenergy.commailto:ptar...@enphaseenergy.com wrote:
John -
The simplest method is whether or not the breaker is Listed or Recognized. If
it's Listed, it's suitable for branch circuit
]
Sent: December-03-13 1:38 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Circuit Breakers - Branch Circuit Protection vs
Supplementary
1. UL 'White' book
2. UL marking guide for CBs
3. The particular standard used (489/1077/508x) 4. iaei.org 5. mfr spec sheet
6. Vulcan mind-meld
Brian
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: December-03-13 1:38 PM
To: EMC-PSTC@LISTSERV.IEEE.ORGmailto:EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Circuit Breakers - Branch Circuit Protection vs
Supplementary
1. UL 'White' book
2. UL marking guide
Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: December-03-13 1:38 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Circuit Breakers - Branch Circuit Protection vs
Supplementary
1. UL 'White' book
2. UL marking guide for CBs
3. The particular standard used (489
: Tuesday, December 3, 2013 12:29 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Circuit Breakers - Branch Circuit Protection vs
Supplementary
So there are no UL Listed breakers that are only good for supplementary
protection??
On Dec 3, 2013, at 2:26 PM, Jim Morrison
jmorri
-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Circuit Breakers - Branch Circuit Protection vs
Supplementary
Thanks guys! I especially like to Vulcan Mind-meld
On Dec 3, 2013, at 2:11 PM, Peter Tarver
ptar...@enphaseenergy.commailto:ptar...@enphaseenergy.com wrote:
John -
The simplest method
From: Brian Oconnell
Sent: Tuesday, December 03, 2013 12:31
To: EMC-PSTC@LISTSERV.IEEE.ORG
But there are, in fact, listed CBs intended for supp
interrupt protect.
I'm aware of UL Listed supplementary overcurrent protection fuses, but not
CBs. What's the product category?
Peter Tarver
10 matches
Mail list logo