BELL No. 48


DC Trembler bell for use outdoors with 6 inch gong (Bell-gong No's 9 or 15).

Operating minimum voltages
Bell No. 48A - 2.5v (25 Ohm coil)
Bell No. 48B - 20v
Bell No. 48C - 50v
Bell No. 48D - 50v

Bell No. 48C - Trembler bell, similar to Bell No. 48B, for preliminary signal in noisy situations in PO buildings.  Has twin 250 ohm coils and uses Bell-gong No. 19 (cow gong).

Diagram - N648

Bell No. 48B Bell No. 48C


 

 
 
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Last revised: April 02, 2020

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