SU280 Technical Information
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Application
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InterruptedRating ( Ith )Uninterrupted
|
|
Thermal Current Rating
|
250A
|
350A
|
|
Intermittent Current Rating:
|
|
30% Duty
|
455A
|
640A
|
|
40% Duty
|
395A
|
555A
|
|
50% Duty
|
355A
|
495A
|
|
60% Duty
|
325A
|
450A
|
|
70% Duty
|
300A
|
420A
|
|
Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant:(In accordance with UL583*)
|
|
Blowouts
|
1500A at 96V D.C.
|
|
No Blowouts
|
1500A at 48V D.C.
|
|
Rated Fault Current Breaking Capacity (Icn) Resistive Load:(In accordance with UL508*)
|
|
Blowouts
|
525A at 96V D.C.
|
|
No Blowouts
|
525A at 60V D.C.
|
|
Maximum Recommended Contact Voltages
|
|
Blowouts
|
96V
|
96V
|
|
No Blowouts
|
48V
|
60V
|
|
Typical Voltage Drop per pole across New Contacts at 250A
|
40mV
|
|
|
|
Mechanical Durability
|
> 3,000,000 Cycles
|
|
Coil Voltage Available (Us) (Rectifier board required for A.C.)
|
6 - 240V
|
