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RED LINE DOES NOT PRINT-USE AS GUIDE FOR TRIMMING-PLEASE REMOVE BEFORE PRINTING
LM 2 5 0 1 2 0 Y A R C E
Maximum Continuous
Operating Voltage (MCOV) 120V ±25%, all others ±15%
F
ault Current Rating (AIC) 200 kAIC
Operating Frequency Range 47 - 63 Hz
Response Time < 0.5 nanoseconds
Operating Humidity 0% to 95%
Status Indication LEDs, Dry Contacts, Audible Alarm
Certifications UL 1449 & 1283, CUL, NEMA LS1, ISO 9001
Enclosure NEMA 12
Warranty 5 Years Parts
LM Series Surge Suppression
System Voltage L-N L-G L-L N-G
120/208 400 400 700 400
120/240 400 400 700 400
346/600 1200 1200 2000 1200
277/480 700 700 1500 700
480 X 1500 1500 X
600 X 1800 2000 X
UL 1449 Clamping Data (Second Edition)
Dime
nsions (inches) Approx. Weight
Unit Options A B C D E F
LM060
LM080
All 16 14 8 16.75 12.0 0.31 35
LM100
LM125
LM150
LM200
LM225 All 20 16 9 21.25 10 0.31 45
LM250
Chart B – LM Series Dimensional Data
How To Specify The Appropriate Model:
All LM model numbers begin with a LM prefix. Use Chart A to build your LM starting with the Surge Rating column. Moving left to right,
choose the correct configurations from each column for your application. Your completed model number should look similar to the example
be
lo
w or LM250120YARCE. Refer to
C
h
art B
f
or LM Se
ries dimensional data.
Standard Monitoring
System, LEDs,
A
u
dible Alarm,
Dual Form C
C
ontacts
LEDs
, Audible
Al
ar
m, Sur
ge
Counter, Dual
Form C Contacts
E
R
T
X
NEMA 12 (Standard)
NEMA 3R
NEMA 4
NEMA 4X
Unit Per Mode Per Phase
060-080
8,000 16,000
100-150 16,000 32,000
200-250
24,000 48,000
Life Cycle Surge Testing 10kA, 20kV, IEEE, Cat. C3
Single Unit Frequency System Installation
34dB 100kHz 51dB
51dB 1MHz 94dB
54dB 10MHz 114dB
48dB 100MHz 120dB
EMI/RFI Noise Rejection
Chart A – Example
Model#
Indicators
Low Cost
Modular
LM
Surge Rating
60kA/mode 060
80kA/mode 080
100kA/mode 100
125kA/mode
125
150kA/mode 150
200kA/mode 200
225kA/mode 225
250kA/mode 250
L - G Voltage
120-120V
208-208V
220-220V
230-230V
240-240V
277-277V
480-480V
600-600V
Configuration
Single Phase L-N, 2W+gnd N
Single Phase L-L, 2W+gnd L
Split Phase, 3W+gnd S
Thr
ee Phase Wye 4W+gnd Y
Three Phase Delta 3W+gnd D
Three Phase Delta Hi-leg 3W+gnd H
Modes of
Protection
ALL A
Connection
Options
WireLug N
Disconnect R
Enc
lo
sur
e
Monitoring Options