MS27742E
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: 0.18 pound maximum.
Part or Identifying Number (PIN): MS27742- (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 3 x 10 |
28 V dc |
115 V ac, phase |
1151200 V ac, 3 phase 11 |
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 21 |
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 |
--- |
--- |
--- |
31 |
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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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11 Absence of value indicates relay is not rated for 3 phase applications.
21 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.
21 Transfer load indicates relay is suitable for transfer between unsynchronized ac power supplies at rating indicated.
TABLE II Dash number and characteristics.
Part no. MS 27742- |
Coil data |
Time - (milliseconds maximum) |
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|
Term- inal type |
Rated |
Maximum At +25°C |
Max pick-up voltage |
Drop out volt- age 21 |
Oper -ate 31 |
Rel- ease 41 |
Contact Bounce |
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|
Volts 11 |
Freq Hz |
ν Res |
Volts |
Amp |
Nor- mal 21 |
High temp test |
Cont cur- rent test |
Main |
Aux |
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NO |
NC |
NO |
NC |
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1 |
Solder hook |
28 |
dc |
--- |
29 |
.075 |
18 |
19.8 |
22.5 |
N1A |
15 |
--- |
1.0 |
1.0 |
--- |
--- |
2 |
Socket pin |
28 |
Dc |
--- |
29 |
.075 |
18 |
19.8 |
22.5 |
N1A |
15 |
--- |
1.0 |
1.0 |
--- |
--- |
11 Caution: Use of any coil voltage less than nominal coil voltage will compromise the operation of the relay.
21 Over the temperature range..
31 With rated coil voltage.
41 From rated coil voltage.
5
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