Page 1
Features
The 455’s universal range
from 190-480VAC
provides the
needed to handle global
applications
Four adjustment pots
provide versatility
riety of applications.
va
Both load and line-side
monitoring provides
contactor protection.
Diagnostic LEDs indicate
trip status and provide
simple troubleshooting.
50/60 Hz
versatility
.
for a
The New Model 455s are now
Microcontroller-based
circuitry provides better
accuracy and higher
reliability than analog
designs
Single-phase conditions
are detected regardless of
regenerated
.
voltages.
in monitoring and troubleshooting the system.
Motor
run hours, displayed by the Informer-MS can
now be reset on the Model 455**. (For more
equipped* with an infrared LED
to communicate with the handheld
diagnostic tool, the Informer-MS,
to display MotorSave
r®data to assist
information on the Informer-MS, visit our website
Transient protection meets
IEEE and IEC standards
and permits operation
under tough conditions
www.symcom.com.)
The Model 455 three-phase
.
combines load and line-side monitoring to alert the
user of contact
failure or impending contact failure.
voltage monitor
The line-side monitoring will protect the motor from damaging line-side
conditions prior to the motor starting. With other line/load-side
monitors, the motor must be started before a
With the Model 455,
not start
if a power problem is present.
The Model 455 (190-480V
with one SPDT 480V
The Model 455-480R (390-480V
600VAC
output relay.
All Model 455s
(manual, 2-300 seconds), and
your motor is fully protected at all times. The motor will
AC) and the 455-575 (475-600VAC) are equipped
A @ 240VAC output relay.
AC) is equipped with one SPDT 470VA @
feature an adjustable trip delay (2-30 seconds), restart delay
voltage unbalance trip point (2-8%).
voltage problem is detected.
voltage
The status of the Model 455 can be easily identified by the four LEDs on the
front of the device: Run, Under
using the Informer-MS, which, in addition to present status, will displa
voltage, Overvoltage, and Phasing Fault or by
y live
voltages, last 20 faults, last 32 motor starts, and motor run hours**.
*Effective March 2006
**To reset the motor
3) turn all setpoint knobs to the minimum setting 4) apply power momentarily
5) remove
power again 6) adjust knobs back to the desired settings 6) reapply power.
run hours in the Model 455: 1) record settings 2) remove power
455
455-575
455-480R
Three-Phase
Voltage Monitors
•
Engineered
Protection
•
Microcontroller Based
Protects 3-Phase
Motors from
• Contact failure
• Loss of an
(single-phasing) on the
load or line side
• Low
• High
•
voltage
voltage
Voltage unbalance
• Phase re
• Rapid cycling
Additional Features:
• Manual, 2-300 second
variable restart delay
• 2-8% variable voltage
unbalance
• 2-30 second variable
trip dela
• Surface mount
• Finger-safe terminals
• UL and cUL listed
• 5-year
• Made in USA
...............................................................................................................................................................................................................................................................
:
y phase
versal
y
warranty
2880 North Plaza Drive • Rapid City, SD 57702
(800) 843-8848 • (605) 348-5580 •
www.symcom.com • email: sales@symcominc.com
FAX (605) 348-5685
08/06
Page 2
INPUT
POWER
L1
M1 M2 M3
L2 L3
OL
OL
OL
B
A
C
MAGNETIC
CONTACT
OR
MOTOR
MS455
THERMOSTAT
OPTIONAL
CONTROL
POWER
24 - 240 VAC
TM
M
MAG.
COI
L
HAND
STOP
OFF
AUT
O
PILOT
START
OL
455, 455-575,
IR
LINK
455-480R
Three-Phase
Voltage Monitors
Specifications
•
Operating
Points
•
Special Options
Specifications
3-Phase Line Voltage
455 ........................................................190-480VAC
455-575..................................................475-600VAC
455-480R ..............................................390-480VAC
Frequency ..........................................50*/60 Hz
Low Voltage (% of setpoint)
•Trip ........................................................90% ±1%
•Reset ....................................................93% ±1%
High Voltage (% of setpoint)
•Trip ........................................................110% ±1
•Reset ....................................................107% ±1%
Voltage Unbalance (NEMA)
•Trip ........................................................2-8% adjustable
•Reset ....................................................trip setting minus 1%
Trip Delay Time
•Low & High Voltage and Unbalance ....2-30 seconds adjustable
•Single-phasing Faults (>25% UB) ........2 seconds fixed
Restart Delay Time
•After
a Fault or Complete Power Loss,
Rapid Cycling dela
Output Contact Rating (SPDT)
455, 455-575 ......................................480VA @ 240VAC Pilot Duty
..............................................................10A @ 240VAC General Purpose
455-480R............................................470VA @ 600VAC Pilot Duty
Standards Passed
•Electrostatic Discharge (ESD) ..............IEC 1000-4-2, Level 3, 6kV contact, 8kV air
Frequency Immunity, Radiated ..150 MHz, 10V/m
•Radio
•Fast Transient Burst ..............................IEC 1000-4-4,
Surge
•IEC........................................................IEC 1000-4-5, Level 3, 4kV line-to-line;
..............................................................Level 4, 4kV line-to-ground
•ANSI/IEEE ............................................C62.41 Surge and Ring Wave Compliance
..............................................................to a level of 6kV line-to-line
•Hi-potential Test ....................................Meets UL508 (2 x rated V +1000V for 1 minute)
Repeat Accuracy
•Fixed Conditions ..................................± 0.1%
Power Consumption ..........................6 Watts (max.)
Weight ..................................................14 oz.
*Note:
50 Hz units will increase all delay times by 20%.
SymCom warrants its microcontroller based products against defects in material or workmanship for a period of
five (5)
years from the date of manufacture. All other products manufactured by SymCom shall be warranted
against defects in material and workmanship for a period of two (2)
For complete information on warranty, liability, terms, returns, and cancellations, please refer to the SymCom
Term
s and Conditions of Sale document.
y ..............................manual, 2-300 seconds adjustable
Level 3, 3.5kV input power & controls
years from the date of manufacture.
VOLT. ADJ.
(VAC)
208
220
416
440
200
400
190
380
2
UNBALANCE
TRIP (NEMA %)
230
L1 L2 L3
460
190-480 VAC, 3Ø, 50/60 HZ
240
480
8
IR
LINK
OVER
VOLT.
SymCom. Inc.
M1 M2 M3
1-800-843-8848
4.030" (102.36)
4.500" (114.30)
5.250" (133.35)
MODEL 455
PHASING
FAULT
RUN
UNDER
VOLT.
PILOT DUTY RATING
480 VA AT 240 VA
RESTART
(SEC)
100
2
300
MA
N
2
30
15
TRIP
DELAY
(SEC)
IND. CONT. EQ.
C
784X
LISTED
2.900"
(73.66
(9.53)
2.163"
(54.94)
.375
(73.99)
)
"
2.913"
0.150" (3.81)
..................................................................................................................................................................................................................................
2880 North Plaza Drive • Rapid City, SD 57702
(800) 843-8848 • (605) 348-5580 •
FAX (605) 348-5685
www.symcom.com • email: sales@symcominc.com
08/06
Loading...