MS25270L
TABLE II. Operating characteristics.
PIN MS25270- |
Coil data |
Time - milliseconds max |
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Coil |
Rated |
Max |
1/ Max pick-up voltage |
Hold vol- tage 2/ |
Drop out vol- tage 2/ |
Op- erate 3/ |
Rel- ease 4/ |
Contact Bounce |
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Volts 1/ |
Freq Hz |
n Res |
Volts |
Amp |
Nor- mal 2/ |
High temp test |
Cont cur- rent test |
Main |
Aux |
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NO |
NC |
NO |
NC |
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D1 |
X1, X2 |
28 |
dc |
N/A |
29 |
0.18 |
18 |
19.8 |
22.5 |
7.0 |
1.5 |
20 |
20 |
2 |
2 |
N/A |
N/A |
A1 |
X1, X2 |
115 |
400 5/ |
N/A |
122 |
0.04 |
90 |
95 |
103 |
30 |
5.0 |
25 |
50 |
2 |
2 |
N/A |
N/A |
1/ CAUTION: Use of any coil voltage less than rated coil voltage will compromise the operation of the relay.
2/ Over the temperature range.
3/ With nominal coil voltage.
4/ From nominal coil voltage.
5/ MS25270-A1 may be used on 60 Hz if maximum ambient temperature is +85°C (maximum coil current shall be
0.044 ampere).
TABLE III. Rated contact load (amperes per pole) (case grounded).
Type of load |
Life operat ing cycles x 103 |
28 V dc |
115 V ac, 1 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 |
60 Hz |
400 Hz |
60 Hz |
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Resistive |
100 |
5 |
5 |
5 |
4 |
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Inductive |
100 |
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Inductive |
20 |
3 |
3 |
3 |
2 |
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Motor |
100 |
1.5 |
1.5 |
1.5 |
1 |
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Lamp |
100 |
0.8 |
0.8 |
0.8 |
0.6 |
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Transfer load |
2/ |
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Mechanical life reduced current |
400 |
1.25 |
1.25 |
1.25 |
1 |
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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 application.
2/ Transfer load indicates relay is suitable for transfer between unsynchronized ac power supplies at rating indicated.
Environmental characteristics.
Temperature range -70°C to +125°C Max altitude rating 80,000 ft
Shock G-level 25 g's Duration 11 ms Max duration contact opening 10 µs
Vibration - sinusoidal (see chart below)
G-level 10 g's
Frequency range 5-1,500 Hz
3
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