Difference between revisions of "M-222"
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| + | ==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. | ||
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[[File:M-222 8751780191 l.jpg|400px]] | [[File:M-222 8751780191 l.jpg|400px]] | ||
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| + | ==Images== | ||
| + | [[File:M-222_1.png|400px]] | ||
| + | [[File:M-222_2.png|400px]] | ||
| + | [[File:M-222_3.png|400px]] | ||
| + | [[File:M-222_4.png|400px]] | ||
| + | [[File:M-222_5.png|400px]] | ||
| + | [[File:M-222_6.png|400px]] | ||
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| + | ==Related Files== | ||
| + | ;{{pdf|TM-11-344_1943.pdf|TM 11-344 (1943)}} | ||
| + | :Technical Manual | ||
| + | ::Converter | ||
| + | ::M-222 | ||
| + | ::March 16, 1943 | ||
| + | |||
| + | |||
| + | ;{{pdf|TM-11-344_1946.pdf|TM 11-344 (1946)}} | ||
| + | :Technical Manual | ||
| + | ::Converter | ||
| + | ::M-222 | ||
| + | ::April 1946 | ||
| + | |||
[[Category:Military/Power Supplies]] | [[Category:Military/Power Supplies]] | ||
Revision as of 12:11, 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