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SLA-240-AFN Fiches technique(PDF) 1 Page - List of Unclassifed Manufacturers

No de pièce SLA-240-AFN
Description  Diversified Electronics
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SLA-240-AFN Fiches technique(HTML) 1 Page - List of Unclassifed Manufacturers

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SLA Series
800.727.5646
atcdiversified.com
Diversified Electronics
215
P hase
M on itors
The ATC Diversified SLA Series is designed to protect 3-phase equipment
against PHASE LOSS, UNDER VOLTAGE, and PHASE REVERSAL
conditions.
With normal operating voltages applied in the proper ABC sequence, the
internal relay will energize (PICK-UP). When incorrect phase sequence or
phase loss occurs or the three-phase voltages fall below the drop out
voltages, the relay will de-energize (DROP-OUT). On models featuring
indicators, the LED glows when all line conditions are normal.
Both Delta and Wye systems may be monitored. In Wye systems, connec-
tions to neutral are NOT required.
For UL Listed units, with field wiring terminals, copper wire with
60°/ 75°C rating must be used for control circuitry connections.
NOTE: 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 pro-
vide the required protection when properly adjusted.
STYLE “A”
\\\SPECIFICATIONS
DROP-OUT
VOLTAGE
1 Ø Low
83% of Nominal
3 Ø Low
90% of Nominal
RESPONSE TIMES
STYLE “A” & “E”
Models Up to 300 VAC
Operate
250 mSEC
Release
0.5 SEC
Models Over 300 VAC
Operate
1.0 SEC
Release
2.0 SEC
RESPONSE TIMES
STYLE “N”
Operate
60 mSEC
Release
0.5 SEC
POWER
REQUIRED
Style “A” 3 VA (approx.)
Style “E”
Models up to 300 VAC: 3 VA (max.)
Models over 300 VAC: 7 VA (max.)
Models over 500 VAC: 3 VA (max.)
Style “N” 3 VA (max.)
OPERATING
VOLTAGE
See Ordering Information
RESET
Automatic (Manual Optional)
INDICATOR LED
Glows when all conditions are Normal
(On Applicable Models)
OUTPUT RATING
SPDT (style “A” and “N”)
DPDT (style “E”)
PHASE
SEQUENCE
ABC (Will Not Operate CBA)
TEMPERATURE
RATING
Operate
32° to +131°F (0° to +55°C)
Storage
-49° to 185°F (-45° to +85°C)
U.S. PATENT
NUMBER
3,611,050
WEIGHT
Style “A” NET: 2.24 oz Shipping: 2.56 oz
Style “E” NET: 4.8 oz Shipping: 5.76 oz
Style “N” NET: 5.3 oz Shipping: 5.6 oz
• Air Handlers
• Computer Power Protection
• Conveyor Drive
• Water Waste & Sewage
Machinery
• Oil & Gas Pumps
• Sawmill & Woodpump
Machinery
• Power Substation
• Automatic Transfer Switching
for Monitoring Emergency
Power Supplies
• Irrigation Pumps
• Lift Station Pumps
• Robotics Equipment
• Elevator Drives
• Commercial/Industrial Air
Conditioning & Refrigeration
Compressors
MODEL NUMBER >>>>>> SLA
A
Operating Voltage
F
A
R
See Ordering Information
Type of Operation
Fixed
Lock Shaft Adjusted
L
Screwdriver Adjusted
S
Enclosure Style
Octal Plug-In, Dust Cover
Blade Plug-In, Dust Cover B
Surface Mounted, #8 Screw Terminals E
Surface Mounted, 1/4" Quick Disconnect Terminals N
Options
Add R Suffix when manual reset is required,
(available only in style “E” enclosure)
Plug-In models are UL listed only when used with
RB-08 relay socket.
U
STYLE “E”
STYLE “N”
• Available up to 480 VAC
• Delta or Wye Systems
• Fixed, Lock Shaft, or
Screwdriver Adjustment
• Several Enclosure Styles
PROTECTS 3-PHASE
EQUIPMENT AGAINST:
• Phase Loss
• Under Voltage
• Phase Reversal
TYPICAL APPLICATIONS:


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