ICM491
Single Phase Line Monitor
Reliable line voltage protection for single phase systems
7313 William Barry Blvd., North Syracuse, NY 13212
(Phone)
315-233-5266
(Toll Free)
800-365-5525
(Fax)
315-233-5276
www.icmcontrols.com
LII114-1
Protects against High/Low
voltage and rapid system
recycling, 95-270 VAC
operation, adjustable
anti-short cycle timer...
The
ICM491
was specifically designed
to guard equipment against damage
caused by under/over voltage conditions
and/or rapid system recycling.
DESCRIPTION
•
5-Second Interrogation Delay...
helps
prevent nuisance tripping
•
LED Indication...
normal run and fault
indications
•
95-270 VAC Operation...
in a single
model
•
Integral Anti-Short Cycle
Protection...
“Delay on break” circuit
provides adjustable (.1 to 10 minutes)
lockout delay to prevent rapid system
recycling; no external ASC timers
required
•
Meets IEEE 587...
A&B for transient
protection
FEATURES
Input
•
Line Voltage:
95-135 VAC or 190-270 VAC
(selectable)
•
Maximum Operating Input:
142-275 VAC
•
Line Frequency:
50-60 Hz
Output
•
Type:
Relay, energized upon acceptable
conditions
•
Form:
SPDT, Single Pole, Double Throw
•
Ratings:
6A @ 120 VAC resistive
5A @ 240 VAC resistive
Response Times
•
Line Dropout:
.05 seconds (typical)
•
Line Voltage Sag:
5 seconds (typical)
•
Turn On (sec):
Based on minimum time
selected
Lockout Delay Timer
•
Dry Relay Contacts
•
Time Delay:
Adjusts from 6-600 seconds
(+/- 10%)
Under Voltage Protection
•
Voltage Dropout:
Setpoint is -12%
•
Voltage Pickup:
Setpoint is -8%
Over Voltage Protection
•
Voltage Dropout:
Se12%
•
Voltage Pickup:
Se8%
Environmental
•
Operating Temperature:
-40°F to +167°F
(-40°C to +75°C)
•
Transient Protection:
Meets IEEE 587
Standards for Categories A&B without false output
or degradation
– (6Kv 0.5 µs x 100 KHz Ring Wave)
– (6Kv 1.2 x 50 µs Impulse Wave)
Mechanical
•
Mounting:
Surface mount using (2) #8 screws
•
Terminations:
.25” male quick-connect
terminals
SPECIFICATIONS
