Recalled Isolators

Recalled Isolators

 

Avanco-branded DC isolators


On 12 May 2014, the Australian Competition and Consumer Commission (ACCC) issued a national product safety recall for several models of Avanco brand DC isolators. The national recall follows an earlier Queensland Government product recall.



Product description: Avanco brand rotary type DC isolators
Identifying features: The recall covers Avanco DC solar isolators with the following model numbers:
  • AV/DC4P25A
  • AV/DC2P25A
  • AV/DC4P25AUB
  • AV/DC2P625AU
  • AV/DC2P25AU
  • AV/DC2/2P25AU
  • AV/DC22P125AU
  • AV/DC4P25AU
  • AV/DC4P25AUS
  • AV/DC4P25AUT
Defects: The product features an internal fault, where a high-resistance connection may form.
Hazards: There is a risk that the DC isolator may overheat and cause fire.
Dates available for sale: 1 January 2012 – 24 February 2014
Where the product was sold: Nationally
What should consumers do?
Affected PV systems should be shut down immediately following the standard shutdown procedure. 



NHP - two models of DC isolating switches


The Australian Competition and Consumer Commission released a product recall notice on 19 February 2014 for two models of NHP DC solar isolating switches.



Product description: NHP-KDA-432 and KDM-432 metal and plastic versions sold at electrical wholesalers
Identifying features: NHP DC Solar Isolator Switches with date codes from x0113 to x3813 (x can be any number between 1 and 5) have been recalled.
Note that the last four digits are critical to identify the affected product. Switches with date codes x3913 and above are not affected. These date codes are only labelled internally and should only be accessed by an authorised electrical contractor.
Defects: The switch may still be 'ON' even when the handle is indicating 'OFF'.
Hazards: There is a risk of electric shock to the electrical contractor during maintenance and installation.
Dates available for sale: 11 July 2013 - 11 February 2014
Where the product was sold: Nationally
What should consumers do?
Defective switches are required to be replaced. 



DKSH Australia – PVPower DC isolator


The Australian Competition and Consumer Commission released a product recall notice on 4 March 2014 for the DKSH Australia Pty Ltd "PVPower" branded DC isolator.



Product description: PV array DC isolator
Identifying features: 'PVPower' part number: XPDCISO1000V32A
Defects: The product features an internal fault, where a high resistant connection may form.
Hazards: There is a risk that the DC isolator may overheat and, in some cases, cause fire.
Dates available for sale: 1 August 2012 - 30 August 2013
Where the product was sold: New South Wales, Queensland, South Australia, Victoria, Western Australia
What should consumers do?
The solar PV system should be shut down following the appropriate shutdown procedure. This information is normally found either in the customer documentation or on a label near the inverter. If you are unsure of the shutdown procedure, see warranties page. The DC isolators are required to be replaced.



GEN3 and SPM rotary DC isolators


On 18 June 2014, the Australian Competition and Consumer Commission (ACCC) issued a product safety recall for several models of DC isolator supplied by Uniquip Industries.
Product description
Rotary DC isolator used in PV array applications
Identifying features
The recall covers SPM and GEN3 branded isolators with the following model numbers:
  • GEN3DC-25
  • GEN3DC-32
  • SPMDCISO25
  • SPMDCISO32
These isolators can be identified by checking the brand marks and model numbers as below:

What are the defects?
The products' internal contacts may have a fault where a high resistance connection could form.
What are the hazards?
There is a risk that the DC isolator may overheat and cause fire.
Dates available for sale
20 December 2012 – 1 March 2014
Where the product was sold
Queensland and Western Australia
What should consumers do?
Owners should immediately shut down their PV system following the standard shutdown procedure located on the main switchboard or near the inverter if unsure of shutdown procedure see Warranties page 
 


NHP DC isolators


The Australian Competition and Consumer Commission (ACCC) has issued a product safety recall for two models of NHP branded DC solar isolator switches. This includes switches replaced as a result of a previous recall in February 2014.
Product description
NHP KDA-432 and KDM-432 metal and plastic isolators.
Identifying features
The recall covers NHP isolators with the following model numbers:
  • KDA-432
  • KDM-432

What are the defects?
The switch contact mechanism may overheat due to an internal fault. This could result in damage of the switch mechanism, internal arcing and potential damage to the enclosure and cables, which could allow access to live parts.
What are the hazards?
If the defect occurs there is a risk of fire and electric shock.
Dates available for sale
11 July 2013 – 10 October 2014
Where the product was sold
Nationally
What should consumers do?
The DC solar isolator switches must be replaced


I Want Energy - DC isolating switch


The Australian Competition and Consumer Commission (ACCC) has issued a product safety recall on the following DC isolating switch
Product description
Only DC isolating switches with the model number HGN4-32DC are affected. The part number HGN4-32DC is clearly marked on the side of the unit.
Units were installed in Tasmania between 7 October 2011 and 1 March 2014. The supplier is I Want Energy.
What are the hazards?
There is the potential risk of fire from faulty contacts within the internal mechanisms of this switch.
For further information
Consumers should contact SolaRestore if they suspect they have this isolator installed