DESCRIPTION
The Model 2594 3-Phase Monitor is designed for use
with applications which require high control voltage (up
to 600VAC). The Model 2594 protects 3-phase
equipment and motors from phase loss, phase reversal
and low voltage. When the correct voltage and phase
rotation are applied, an internal DPDT relay energizes.
A fault condition drops out the relay and the FAILURE
INDICATOR LED illuminates. When the existing fault is
corrected the unit will automatically reset. The Model
2594 can detect a phase loss condition even when
regenerative voltage is present. It may be used with
WYE or Delta systems; no neutral connection required.
Standard operating ranges are available from 120 to
575VAC, 60 Hz and 380VAC, 50 Hz.
SPECIFICATIONS
Model A2594 B2594 C2594 D2594 EX2594
Nominal AC Voltage
(phase to phase)
120VAC 208/240VAC 480VAC 575VAC 380VAC
Adjustment Range
85-125 160-260 380-500 450-600 300-400
Frequency
60 Hz 50 Hz
Power Consumption
2.1W 3.3W 4.2W 6.9W 4.2W
Transient Protection
2500V for 10 msec
Repeat Accuracy
± 0.1% (fixed conditions)
Response Time
0.05 seconds (fixed)
Reset Time
0.05 seconds (fixed)
Reset Type
Automatic
Output Contacts
DPDT 3A at 480/600 VAC 80% PF
10A at 240 VAC 80% PF resistive
Expected Relay Life
Mech: 10 million operations
Elec: 100,000 at rated load
Operating Temp
- 40º to +131º F
Humidity Tolerance
0-97% w/o condensation
Enclosure Material
20 gauge steel
Mounting
Surface
Weight
17 oz.
DIMENSIONS
"
"
"
"
"
ll DPDT 600VAC Output Contacts
ll Adjustable Failure Level
ll Automatic Reset
ll 5 Year Unconditional Warranty
MODEL 2594
3-Phase Monitor
TIME MARK is a division of
Telephone: Main - (918) 438-1220
Sales - (800) 862-2875
Fax: (918) 437-7584
E-mail: sales@time-mark.com
Internet: http://www.time-mark.com
Doc No. 87A394 12/00
© 2000 TIME MARK CORPORATION
11440 East Pine Street
Tulsa, Oklahoma 74116
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