Circuit Breakers - What Does Type 2 Mean?

[333rocky333]

All the early merlins are same profile and fit the same. acti is more rounded

The C45 type 2 orange with smaller switch you have
1 version of M/G C60 type 2 orange
1 version of M/G C60 type B orange
1 version of Scneider C60 type B green
1 version of Scneider Acti 9 type B cream

I quarentee all will fit

The C45 board busbar, not the breaker was what was different, meaning you needed the fork.
Therefore you will need the fork too fit ANY version.
It goes in and screws up,it does not clip on the front as someone said earlier
Acti 9 has more rounded profile but also fits the same.
secondhand C60 and newer are proberly fine but C45 as said too old and usually battered, and any saying new on ebay is rubbish, the branding etc on them aint right.
The orange M/G C60 would be best choice if secondhand, or locate a new schneider green C60 (whilst some stock exists).
A new Acti 9 will look odd though will fit.

Also C45 were 6ka breaking capacity
C60 onwards are 10ka
Another reason 2nd hand C45 tend to be a bit iffy

 

[Iggifer]

Acti9 look absolutely gash compared to C45/C60's.

The Easy9 is the domestic version of the Acti9 (with 6K breaking), also look stupid next to the older stuff, and not sure if you can get fork covers to fit, sure you can

 

[333rocky333]

Iggifer not sure what you mean by fork covers, not sure i have seen them, the recesses I thought were for plastic covers.

 

[Iggifer]

All of the MG/Schneider ones I've fitted with the forks have a plastic cover that snaps over them (and into the recess around the screw hole) completely shrouding the exposed copper

I might have one in the shed, will have a look later on, can't seem to find a photo online

 

[Iggifer]

It's Square D but same difference

 

[Adam_151]

Acti9 look absolutely gash compared to C45/C60's.

The Easy9 is the domestic version of the Acti9 (with 6K breaking), also look stupid next to the older stuff, and not sure if you can get fork covers to fit, sure you can

Yup,

And when put into a board of Orange / Green C60 devices seems to slightly foul the cover and its a real struggle to get it back on.

God knows what they were thinking

 

[Iggifer]

Yes they most definitely do! Ugh

 

[333rocky333]

It's Square D but same difference

Think your getting your wires crossed
Sguare d are stablock the plastic covers are there due to there being NO top screw.
C45 and C60 have a top and bottom screw like most mcbs.
The fork he means is a coated copper Y shape, 1 end pegs in the mcb just like a busbar enters an mcb and screws tight, the U end of the fork screws onto the busbar.

Ive not seen the plastic shrouds on merlin 3 phase boards, maybe 1 phase are different

 

[Iggifer]

The use of a square D image was only for illustrative purposes, the C60's came with (optionally) the same terminal shield and bar on the top that screwed into the standard terminal hole

 

[ban-all-sheds]

the plastic covers are there due to there being NO top screw.

How is the outgoing conductor held?

 

[333rocky333]

the plastic covers are there due to there being NO top screw.

How is the outgoing conductor held?

Is this a trick question

Iwas refering to the sguare D one in the pic.
Just like other mcbs the outgoing goes in the hole and the screw tightened as seen in the pic.
The Top bit of the mcb has two prongs that when pushed go onto the Live busbar, for sguare D they seem to use similar plastic moulds to the M/G, these prongs are not removable afaik, ive never removed the plastic bit to look and the earlier square d was totally encased and definately not removable

These prongs are exclusive to square D and not used by Merlin gerin

http://www.ebay.co.uk/itm/Distribut...381?pt=LH_DefaultDomain_3&hash=item3cfb42560d

 

[Iggifer]

the plastic covers are there due to there being NO top screw.

How is the outgoing conductor held?

Outgoing conductor goes in the bottom terminal too btw

 

[ban-all-sheds]

Ah - like this....

//www.diynot.com/forums/viewtopic.php?p=115872