Counterfeiting Characteristics - QO Circuit Breakers
Characteristics are for QO & QOB 1-pole, 2-pole & 3-pole breakers under 80 amps and QO tandem breakers.
Note: Lack of the following characteristics does not guarantee authenticity of the breaker. To avoid counterfeits, only buy Square D products from an authorized Square D distributor or retailer.
Click here to find an Authorized US Distributor
Security features for QO Breakers
On the UL manifest label on genuine QO breakers* manufactured beginning January 1, 2009**, the following features can be seen under 10x magnification. The text for “ISSUE NO” shows:
- The two “S” characters in “ISSUE” are connected as shown below.
- The middle leg of the letter “E” in “ISSUE” is elongated as shown below.
- A five-point star appears after the letter “O” in “NO” as shown below.
* Breakers included are QO & QOB 1-pole, 2-pole & 3-pole breakers under 80 amps and QO tandem breakers.
** The 2nd character of the 2-character date code that is stamped in red on the UL manifest label is “U” for 2009 & “V” for 2010.