- Designed to provide a rapid means of disconnecting batteries or other power supplies in the event of serious electrical faults.
- Primarily intended for use with battery powered vehicles they are also suitable for use with static power systems.
- Capable of safely rupturing full load battery currents in the event of an emergency.
- Mounted via main terminal busbars or secured with supplied M5 posidrive mounting screws.
Precautions:
The switch is to be used to rupture current in an emergency or as a no-load isolator.
Do not use as a regular On-Load Switching Device.
Spare Parts are not available – this contactor is deemed non-serviceable.
ED520 Technical Info
| Application | InterruptedRating (Ith) | UninterruptedRating (Ith) |
|---|---|---|
| Thermal Current Rating | - | 500A |
| Intermittent Current Rating: | ||
| 30% Duty | - | 915A |
| 40% Duty | - | 790A |
| 50% Duty | - | 705A |
| 60% Duty | - | 645A |
| 70% Duty | - | 600A |
| Rated Fault Current Breaking Capacity (lcn) 5ms Time Constraint: (In accordance with UL583*) | ||
| Blowouts | - | |
| No Blowouts | - | |
| Rated Fault Current Breaking Capacity (lcn) Resistive Load: (In accordance with UL508*) | ||
| Blowouts | - | |
| No Blowouts | 750A at 60V D.C. | |
| Maximum Recommended Contact Voltages | ||
| Blowouts | - | - |
| No Blowouts | - | 60V |
| Typical Voltage Drop per pole across New Contacts at 500A | 50mV | |
| Mechanical Durability | >10,000 Cycles | |
| Coil Voltage Available (Us) (Rectifier board required for A.C.) | >0 - 0V | |
ED520 Features
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| Component | Configurations |
|---|---|
| Auxiliary | |
| Fixed Contact Terminal | |
| Mounting |
