BUZZER No. 32


Buzzer No. 32a-1 Buzzer No. 32C-3

Single coil buzzer used in 700 type telephones.
No 32A - 55 ohms & 65ma.
No 32B - 1K ohms & 15ma.
No 32C - 138 ohms & 40ma

Buzzers with a suffix -1, -2 or -3 have a resistor and capacitor (in series) wired across the contact points.

Buzzer Suffix
-1 - Used on Telephones 706, 710 and Bellset No. 48 (fixes on top of one of the bell gongs).
-2 - Used on Telephone 711
-3 - Used on Telephones 740, 741, 746 and Bellset No. 50 (fixes on the switch hook upstand) 

Diagram N647

 

 
BACK Home page BT/GPO Telephones Search the Site Glossary of Telecom Terminology Quick Find All Telephone Systems

Last revised: September 28, 2010

FM