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Specifications
49 Liebert
®
AC4
™
8.0 SPECIFICATIONS
8.1 Liebert AC4 Specifications
Power Requirements
24VAC ±10% of nominal
50/60 Hz
1.3A, 30VA
NOTE
If the equipment is
used in a manner
not specified by the
manufacturer, the
protection provided
by the equipment
may be impaired.
Dimensions W x D x H, in. (mm)
14-1/4 x 2-3/4 x 12
(361.95 x 69.85 x 304.8)
Weight (Assembled) 7.68 lbs (3.48 kg)
Enclosure Type NEMA 1
Liquid Crystal Display (LCD) Four line, 20 character, backlit
Mounting Surface Building Wall or Structural Member
Ambient Operating
Environment
32°F to 104°F (0°C to 40°C)
0% RH to 95% RH (non-condensing)
Processor Specifics
Model Motorola XC68HC812A4
Clock speed 16MHz
Total RAM 32Kb
Total FLASH 4M
Total EEPROM 4K
A/D Resolution (Analog IN) 12 Bit
Clock Type Real-Time Clock
Clock battery backup type Lithium Cell (non-replaceable)
Clock battery life 7 years, constant, no power
Communications
Local Communications RS232
Agency Listings
UL UL3121
CE Yes
FCC Compliance CFR 47 Part 15
Inputs & Outputs (Quantity)
Digital Inputs (4)
Dry Contact Closure
24VDC, 10 mA
Digital Outputs (4) 24VAC, 3A
Common Alarm Outputs (2) 24VAC, 3A