- Primarily designed to switch heavy duty DC loads, however it is also capable of switching AC loads, typical applications include electric motors, hydraulic power packs, winches, speed controllers and Power Distribution Systems.
- Developed for both interrupted and uninterrupted loads, the SU190 is suitable for switching Resistive, Capacitive and Inductive loads.
- M10 stud main terminal and an option for either 6.3mm standard spade terminals or flying leads.
- Adaptable Mounting options, in any orientation (seek technical advice for full mounting considerations).
Spare Parts – Please consult our Technical Department, or download Spare Parts Sheet where available.
SU190 Technical Info
| Application | InterruptedRating (Ith) | UninterruptedRating (Ith) |
|---|---|---|
| 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 (lcn) 5ms Time Constraint: (In accordance with UL583*) | ||
| Blowouts | 1500A at 96V D.C. | |
| No Blowouts | 1500A at 48V D.C. | |
| Rated Fault Current Breaking Capacity (lcn) Resistive Load: (In accordance with UL508*) | ||
| Blowouts | 525A at 96V D.C. | |
| No Blowouts | 525A at 60V D.C. | |
| Maximum Recommended Contact Voltages | ||
| Blowouts | 250V | 250V |
| No Blowouts | 96V | 96V |
| 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 | |
SU190 Features
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| Component | Configurations |
|---|---|
| Auxiliary | |
| Blowouts | |
| Coil Suppression | |
| Coil Termination | |
| Contact Tip | |
| Enclosed Top Cover | |
| Fixed Contact Terminal | |
| Magnetic Latching | |
| Mounting | |
| Steel Shroud EE | |
| Vacuum Impregnation |
