Forms 2a and 2b

Form 2a Separation of the busbars from the functional units, with terminals for external conductors not separated from the busbars.
Form 2b Separation of the busbars from the functional units, with terminals for external conductors separated from the busbars.

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form-2b

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* This information is correct at the time of this publication. Sandford Electrical Services Ltd cannot be held responsible for any changes that occur. It is the responsibility of the user to check with the relevant standard at the time of use.