Difference between revisions of "M-222"
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==Images== | ==Images== | ||
| − | + | <gallery widths=100px heights=100px perrow=5> | |
| − | + | File:M-222_1.png | |
| − | + | File:M-222_2.png | |
| − | + | File:M-222_3.png | |
| − | + | File:M-222_4.png | |
| − | + | File:M-222_5.png | |
| − | + | File:M-222_6.png | |
| + | </gallery> | ||
==Related Files== | ==Related Files== | ||
Revision as of 12:16, 20 September 2013
Overview
Converter M-222 is designed to supply emergency ringing current for telephone switchboards from two Signal Corps Batteries BA-23 in series, as a source of power. Converter M-222 is supplied without the batteries, which must be installed as described in paragraph 6, Battery Installation. The output voltage is 100 volts a.c. open circuit; 50 volts a.c. with a 5-watt load. The peak voltage does not exceed 250 volts a.c. The frequency of the output voltage is 24 cycles -I- 4 cycles.
Images
Related Files
- Technical Manual
- Converter
- M-222
- March 16, 1943
- Technical Manual
- Converter
- M-222
- April 1946