BELL No. 80
No. 80 has a metal case (later variants have a plastic case - which looks metallic) which
must be connected to a protective earth if mounted within normal reach. Cabling should be
disconnected at distant end before approaching a Bell 80D on installation or maintenance
Bell No. 80A
Superseded Bell No. 67. Magneto (new style ringer), for indoor and outdoor use on 17 or 25 Hz with 120mm (Bell-gong No. 27A) and 150mm (Bell-gong No. 26A) gongs.
Bell No. 80B
Superseded Bell No. 80A. Similar to Bell No. 80A but with redesigned method of fixing.
Bell No. 80D
High Impedance 'under-dome' (150mm gong) loud bell, available on rental terms only.
All the above calling devices are line powered only.
Originally made for BT by Mekelek Ltd
and then by Gemini Connections Ltd.
Measures approx. 175mm x 150mm x 115mm, weight 1324 grams.
rust-resistant No.10 round head screwsand should be mounted 'high' for maximum range.
entry grommet may be removed to provide 20 mm conduit entry.
Last revised: May 01, 2020