SLA380ALE
Diversified Electronics Protection Relays, SLA Series

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SLA380ALE

Diversified Electronics Protection Relays, SLA Series

SLA380ALE

Diversified Electronics Protection Relays, SLA Series
Phase Sequence/Loss Monitor, 380VAC,
MFG Item Number
SLA380ALE
Series
More specs

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Description

Protection Relays, SLA Series
Item #
SLA380ALE
Phase Sequence/Loss Monitor, 380VAC,

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
With normal operating voltages applied in the proper ABC sequence, the internal relay will energize. When incorrect phase sequence or phase loss occurs, or the three‑phase voltages fall below the drop‑out voltages, the relay will de‑energize.

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

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Specifications

Specifications
Manufacturer Part Number SLA380ALE
Manufacturer Diversified Electronics
Product Series SLA
Family Series Diversified Electronics Protection Relays, SLA Series
Description Phase Sequence/Loss Monitor, 380VAC, Surface Mount, DPDT Output, Screw Terminals
Phase 3
Voltage 350-440 V
Current Rating 3 A
Detection Phase Loss
Time Delay Trip (Sec) 2 s
Manual Reset No
Type of Display LED Status Indicator
Mounting Surface
Approvals CSA, UL
Net Weight 0.765 lbs
Gross Weight 0.975 lbs