MS27749F
Vibration - sinusoidal: G-level 30 g's.
Frequency range 10 - 3,000 Hz. Vibration - random:
Applicable specification: MIL-STD-202, method 214.
Test condition: IG.
Duration: 15 minutes each plane. Acceleration 15 g's.
Physical data:
Dimensions and configurations: See figure 1. Weight: 0.938 pound maximum.
Part or Identifying Number (PIN): MS27749- (dash number from table II). Qualification by similarity: See MIL-PRF-6106.
TABLE I. Rated contact load (amperes per pole) case grounded.
Type of load |
Life operat ing cycles x 103 |
28 V dc |
115 V ac, phase |
115/200 V ac, 3 phase 1/ |
See appro priate notes |
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Main |
Aux |
Main |
Aux |
Main |
Aux |
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NO |
NC |
NO |
NC |
400 Hz |
60 Hz |
400 Hz |
60 Hz |
400 Hz |
400 Hz |
60 Hz |
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Resistive 2/ |
50 |
25 |
25 |
25 |
25 |
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Inductive |
10 |
12 |
12 |
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Inductive |
20 |
15 |
15 |
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Motor |
50 |
10 |
10 |
10 |
10 |
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Lamp |
50 |
5 |
5 |
5 |
5 |
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Transfer load |
--- |
--- |
--- |
3/ |
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Mechanical life reduced current |
200 |
6 |
6 |
6 |
6 |
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Mixed loads |
Applicable per specification |
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1/ Absence of value indicates relay is not rated for 3 phase applications.
2/ For full rated load, temperature, and altitude, use number 12 wire or larger. Relays shall be mounted so that
mounting bracket temperature is limited to +135°C maximum.
3/ Transfer load indicates relay is suitable for transfer between unsynchronized ac power supplies at rating indicated.
4
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