MS24143X
RFI specification: MIL-STD-461 (Applicable to coil circuits of ac operated relays).
TABLE I. Vibration levels.
Dash number |
5-10 Hz |
10-55 Hz |
55-250 Hz |
250-500 Hz |
500-1,500 Hz |
D1 |
.06 DA |
.06 DA |
10 g's |
6 g's |
6 g's |
D2 |
4 g's |
3 g's |
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D3 |
4 g's |
3 g's |
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A3,A4 |
4 g's |
3 g's |
TABLE II. Operating characteristics.
PIN MS 24143- |
Coil data |
Time - (milliseconds maximum) |
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Coil |
Nominal |
Max |
Max pick-up voltage |
Drop out volt- age 2/ 3/ |
Hold volt- age 2/ |
Oper- ate 3/ |
Rel- ease 4/ |
Contact Bounce |
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Volts 1/ |
Freq Hz |
ν Res +15% -10% |
Volts |
Amp |
Nor- mal 2/ |
High temp test |
Cont current test |
Main |
Aux |
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NO |
NC |
NO |
NC |
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D1 |
X1,X2 |
28 |
dc |
52 |
29 |
0.6 |
18 |
21 |
22.5 |
1.5 |
7.0 |
25 |
10 |
2 |
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D2, D3 |
X1,X2 |
28 |
dc |
52 |
29 |
0.6 |
18 |
21 |
22.5 |
1.5 |
7.0 |
25 |
10 |
2 |
4 |
4 |
|
A3 |
X1,X2 |
115 |
50/60/400 6/ |
124 |
0.225 |
90 |
100 |
104 |
10 |
40 |
30 |
65 |
5 |
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A4 |
X1,X2 |
115 |
60/60/400 6/ |
124 |
0.225 |
90 |
100 |
104 |
10 |
40 |
30 |
65 |
5 |
6 |
6 |
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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/ At 50/60 Hz, chattering may occur at or near dropout voltage when voltage is slowly decreased.
4/ With rated voltage.
5/ From rated voltage.
6/ Coils will operate on either 50, 60, or 400 Hz except ambient temperature must be derated to +71°C maximum.
TABLE III. Rated contact load (amperes per pole) case grounded (applicable to -D1, -D2, -A3, and -A4).
Type of load |
Life operating cycles x 3 10 |
28 V dc |
115 V ac, 1 phase |
115/200 V ac, 3 phase 1/ |
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Main |
Aux |
Main |
Aux |
Main |
Aux |
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NO |
NC |
NO |
NC |
400 Hz |
50/60 Hz |
400 Hz |
50/60 Hz |
400 Hz |
50/60 Hz |
400 Hz |
50/60 Hz |
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Resistive |
50 |
25 |
5 |
5 |
25 |
25 |
5 |
25 |
15 |
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Inductive |
50 |
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Inductive |
10 3/ |
25 |
5 |
5 |
25 |
5 |
25 |
12.5 |
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Motor |
50 |
25 |
25 |
15 |
25 |
12.5 |
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Lamp |
50 |
.75 |
.75 |
.75 |
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Transfer load |
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Mechanical life reduced current |
100 |
6.25 |
1.25 |
1.25 |
6.25 |
6.25 |
1.25 |
6.25 |
3.75 |
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Mixed loads |
50 |
5 |
Per spec |
Per spec |
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1/ Absense of value indicates relay is not rated for 3-phase application.
2/ Derated contact loads at 50/60 Hz are applicable to A3 and A4 only.
3/ Derate cycles by 50 percent for A3 and A4 only.
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