MS27254H
TABLE I. Dash numbers and characteristics.
Dash number MS27254- |
Type |
Coil |
Terminal type |
Max weight in pounds |
1 |
I |
ac |
Plug-in |
.20 |
2 |
I |
dc |
Plug-in |
.20 |
TABLE II. Operating characteristics.
Part no. MS 27254- |
Coil data |
Time - (milliseconds maximum) |
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Coil |
Nominal |
Max |
Max pick-up voltage |
Hold vol- tage 21 |
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 |
ac |
115 |
400 |
N1A |
120 |
.04 |
90 |
95 |
103 |
30 |
5 |
15 |
30 |
3 |
5 |
--- |
--- |
2 |
dc |
28 |
dc |
160 |
29 |
.20 |
18 |
19.5 |
22.5 |
7 |
1.5 |
10 |
10 |
3 |
5 |
--- |
--- |
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 nominal coil voltage.
41 From nominal coil voltage.
TABLE III. Rated contact load (amperes per pole) (case grounded).
Type of load |
Life operat ing cycles 3 x 10 |
28 V dc |
115 V ac, 1 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 |
60 Hz |
400 Hz |
60 Hz |
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Resistive |
100 |
10 |
10 |
10 |
10 |
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Inductive |
50 |
10 |
10 |
10 |
10 |
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Inductive |
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Motor |
100 |
5 |
5 |
5 |
5 |
21 |
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Lamp |
100 |
3 |
3 |
3 |
3 |
21 |
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Transfer load |
31 |
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Mechanical life reduced current |
400 |
2.5 |
2.5 |
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Mixed loads |
100 |
Applicable per specification |
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11 Absence of value indicates relay is not rated for 3 phase applications.
21 100,000 operations - on NO contacts, and 50,000 operations on NC contacts at 28 V dc.
31 Transfer load indicates relay is suitable for transfer between unsynchronized ac power supplies at rating indicated.
3
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