NR BR 3041 ISSUE 1 PDF

This Specification details the requirements for weatherproof telephones for use at level crossings by British Railways.

This Specification should be read in conjunction with Specification BR 1672, weatherproof telephones.

Two different models are described:

Direct circuit version – CB telephone – with one button for directly connected circuits

Preset number dialing version – autodialler – with single button for tone or pulse dialing of preset numbers only;