Torque settings for Hager RCBOs

[Yanni]

Can I please check, what sort of torque settings you use for the blue flying RCBO lead of a 32A, 20A and 6A Hager RCBO?
The manufacturer says 2Nm2 however I see the 32A has a 4mm cable and not sure what size is the 20A and 6A, looks like 2.5mm stranded.

My electrician used around 1.4Nm2 after checking with a Whiha torque screwdriver, when i use 2.0 the cable seems to gets seriously squashed dspite using a ferulle.

Also for the RCBO the settings are 2.1Nm2. Is this both for the live bar as well as the live and neutral?

What would you do?

 

[flameport]

What would you do?

Graunch on it until it's tightened properly?

2.1Nm2

Feeble.

1.4Nm2

Worse.

 

[JohnW2]

Graunch on it until it's tightened properly?

Quite so. As I've often observed, if one tightens these terminal screws only to the torque specified/recommended by the manufactures then they often feel (at least to me) to be far too loose, in that I can easily get them much tighter 'manually'.

 

[Taylortwocities]

Agreed. Tighten until it feels tight enough, and give it a little bit more.

Meerkat

• Taylortwocities
• 11 Dec 2009
• 53

Simples!