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Performance Specifications for All Switches |
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| Maximum Recommended Contact Voltages: |
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ED125, ED250, SD150A and SD250A |
48V DC |
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ED125B, ED250B, SD150AB and SD250AB |
96V DC |
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ED252 and ED402 |
96V DC |
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ED252B |
150V DC |
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| Overload Currents that can be Ruptured: |
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ED125/SD150A |
100 Amperes at 48V DC |
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ED250/SD250A |
1000 Amperes at 48V DC |
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ED252 |
1500 Amperes at 48V DC |
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ED402 |
1500 Amperes at 48V DC |
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ED125B/SD150AB |
800 Amperes at 80V DC |
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ED250B/SD250AB |
1000 Amperes at 96C DC |
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ED252B |
1500 Amperes at 96V DC |
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ED402 |
1000 Amperes at 96V DC |
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| Typical Voltage Drop across contacts per
100 Amperes (per Pole): |
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ED125/ED252/SD150A |
40mV |
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ED250/ED402/SD250A |
30mV |
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| Mechanical Life: |
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Manual Operated (all Switches) |
>10,000 operations |
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Electrically Operated ("SD" Switches Only) |
>3,000,000 |
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| Coil Power Dissipation: |
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Continuous Rated Types ("SD" Switches Only) |
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SD150A |
7 to 13 Watts |
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SD250A |
10 to 15 Watts |
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| Maximum Pull-in Voltage (Coil at 20°C): |
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Continuous Rated Types ("SD" Switches Only) |
66% of Voltage |
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| Typical Drop-out Voltage: |
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SD150A and SD250A only |
10 to 30% |
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| Typical Pull-in Time (Normally Open
Contacts to Close): |
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SD150A and SD250A only |
20mS |
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| Typical Drop-out Time (Normally Open
Contacts to Open): |
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SD150A and SD250A only |
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Without Suppression |
5 to 10mS |
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With Diode Suppression |
50 to 100mS |
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With Diode and Resistor (depending on 'R' value) |
10 to 50mS |
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| Auxiliary Contact Switching Capacities
(Resistive Load): |
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15 Amperes |
at 24V DC |
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10 Amperes |
at 48V DC |
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5 Amperes |
at 96V DC |
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| Weights: |
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ED125 |
300 grams |
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ED250 |
450 grams |
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ED252 |
520 grams |
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ED402 |
1000 grams |
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SD150A |
550 grams |
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SD250A |
870 grams |
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Note: |
Add 20 grams for additional Auxiliary Contacts |
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Add 60 grams for a Lock |
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Add 50 grams for Magnetic Blowouts |
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| All of the above figures should be used
as a guide only. Some derating may be necessary according to type and
application. |
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