Liebert LM250120YARCE User Manual
Liebert Computer Accessories
Liebert Corporation • 1050 Dearborn Drive • PO Box 29186 • Columbus, OH 43229
Phone 607-724-2484 • Fax 607-722-8713 • US & Canada 800-288-6169
EMAIL: info@control-
82241 Rev 1
Example Part Number:
LM250120YARCE
500kA per Phase (250kA per Mode),
120/208V 3-Phase Wye, All Mode,
Rotary Disconnect, LED’s, Alarm,
Counter, & Dual Form C Contacts,
NEMA 12 Enclosure
Liebert LM Series TVSS
Technical Specification
Maximum Continuous
Operating Voltage (MCOV) ...................... 120V 125%, all others 115%
Fault Current Rating (AIC)....................... 200 kAIC
Operating Frequency Range ................... 47 – 63 Hz
Response Time ........................................ <0.5 ns
Operating Humidity.................................. 0% to 95%
Status Indication ...................................... LEDs, Audible Alarm, Dry Contacts
Certifications ............................................ UL 1449 & 1283, CUL, NEMA LS1,
ISO 9001:2000
Enclosure ................................................ NEMA 12
Warranty ................................................... 5 Years Parts
UL 1449 second edition clamping data
Configuration
L-N
L-G
L-L
N-G
120S, 120Y
400
400
700
400
240D
X
700
700
X
346Y
1200
1200
2000
1200
230Y, 277Y
700
700
1500
700
480D
X
1500
1500
X
600D
X
1800
2000
X
Job Name ____________________________
Model# ______________________________
Date ________________________________
Qty _________________________________
Quote# ______________________________
Source Configuration
1 Phase, L-N, 2W+G
N
1 Phase, L-L, 2W+G
L
Split Phase, 3W+G
S
3 Phase, WYE, 4W+G
Y
3 Phase, WYE, 3W+G
(No Neutral)
X
3 Phase, Delta, 3W+G
D
3 Phase, Delta Hi-leg, 4W+G
H
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
Model # LM
__ __ __ __ __ __ __ __ __ __ __
Modes of Protection
All
A
L-G Voltage
120V
120
208V
208
220V
230
230V
230
240V
240
277V
277
480V
480
600V
600
Connection Options
Wire Lug
N
Disconnect
R
Enclosure
NEMA 12
(Standard)
E
NEMA 3R
R
NEMA 4
T
NEMA 4X
X
Monitoring Options
Standard Monitoring System,
LEDs, Audible Alarm,
Dual Form C Contacts
S
LEDs, Audible Alarm,
Surge Counter,
Dual Form C Contacts
C
Dimensional data in inches and shipping weight in pounds
Unit
Options
A
B
C
D
E
F
G
Wt.
LM060
LM080
All
16
14
8
16.75
12
0.31
1.35
32
LM100
LM125
LM150
All
16
14
8
16.75
12
0.31
1.84
41
LM200
LM225
LM250
All
20
16
9
21.25
10
0.44
1.84
56
Life Cycle Surge Testing
10kA, 20kV, IEEE Cat. C3
Unit
Per Mode
Per Phase
060-080
8,000
16,000
100-150
16,000
32,000
200-250
24,000
48,000
EMI/RFI Noise Rejection
Single
Unit
Frequency
System
Installation
34dB
100kHz
51dB
51dB
1MHz
94dB
54dB
10MHz
114dB
48dB
100MHz
120dB
E
D
C
B
G
A
F