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Specifications

Auto Reset Models
Manual Reset Models*
20AA
20AA-M
20AA-L
20AA-LM
20AA-H
20AA-HM
Operating Voltage 190-480 VAC 95-120 VAC 475-600 VAC
Power Consumption 3.7W at 480V 3.7W at 120V 4.5W at 600V
Auto Ranges Yes No
Frequency 50/60Hz Type of Measurement RMS
Under Voltage
Trip
Reset
(% of setpoint)
90% ±1%
93% ±1%
Over Voltage
Trip
Reset
(% of setpoint)
110% ±1%
107% ±1%
Voltage Unbalance
Trip
Reset
(conforms to NEMA)
2-8%, adjustable
Trip setting minus 0.7%
Trip Delay Time
Over, Under, & Unbalanced
Single-Phasing Faults
Unbalance > 15%
1-30 sec., adjustable
1 sec., fixed
1 sec., fixed
Restart Delay 1-500 sec., adjustable
Manual Reset Input 5V open circuit/500μA short circuit
Output Contacts 2x N.O. 7.5A at 240VAC resistive
Operating Temp - 20° to +140° F
Humidity Tolerance 0-97% w/o condensation
Terminal Torque 3.5 in. lbs. maximum
Wire Type Stranded or solid 14-26 AWG, 1/terminal
Enclosure Noryl plastic
Mounting DIN Rail or Surface Mount
Weight 11 oz.
Option for Low Current Applications Models ordered with suffix “/SG”
have silver with gold flash contacts
Agency Approval UL Recognized (U.S. and Canada)
(For use in a Pollution Degree 2 Environment)

Downloads

Document File Type File Size Download
Model 20AA Datasheet PDF 675 KB