SLA440ALER
Diversified Electronics Protection Relays, SLA Series
SLA440ALER
Diversified Electronics Protection Relays, SLA Series
Phase Sequence/Loss Monitor, 440V,
MFG Item Number
SLA440ALER
Series
More specs
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Description
Protection Relays, SLA Series
Item #
SLA440ALER
Phase Sequence/Loss Monitor, 440V,
SLA Series Information
- Monitors Delta or Wye Systems
- Monitors up to 480 VAC
- Fixed, Lock Shaft, or Screwdriver Adjustment
- Automatic Reset with Manual Option Available
- Plug‑in or Surface Mount Styles
When a phase is lost while the motor is running, a condition known as regeneration occurs where a voltage is induced into the open phase nearly equal in magnitude to the normal phase‑to‑phase voltage. However, with the exception of lightly loaded motors, enough change is detected by the SLA to provide the required protection when properly adjusted.
Protects against:
- Phase Loss
- Under Voltage
- Phase Reversal
Specifications
| Manufacturer Part Number | SLA440ALER |
|---|---|
| Manufacturer | Diversified Electronics |
| Product Series | SLA |
| Family Series | Diversified Electronics Protection Relays, SLA Series |
| Description | Phase Sequence/Loss Monitor, 440V, Locking Shaft Adj, Screw Terms, Surface Mount, Manual Reset |
| Phase | 3 |
| Voltage | 430-480 V |
| Current Rating | 3 A |
| Detection | Phase Loss |
| Time Delay Trip (Sec) | 2 s |
| Manual Reset | Yes |
| Type of Display | LED Status Indicator |
| Mounting | Surface |
| Approvals | CSA, UL |
| Net Weight | 0.25 lbs |
| Gross Weight | 0.25 lbs |
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SLA440ALER
Diversified Electronics Protection Relays, SLA Series