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
Example Part Number: LM250120YARCE
UL 1449 second edition clamping data
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
Configuration
120S, 120Y
240D
346Y
230Y, 277Y
480D
L-N
400
X
1200
700
X
L-G
400
700
1200
700
1500
1800
L-L
700
700
N-G
400
X
2000 1200
1500
1500
2000
700
X
X
Model # LM __ __ __ __ __ __ __ __ __ __ __
600D
X
Surge Rating
60kA /
Source Configuration
1 Phase, L-N, 2W+G
1 Phase, L-L, 2W+G
Split Phase, 3W+G
3 Phase, WYE, 4W+G
3 Phase, WYE, 3W+G
(No Neutral)
Life Cycle Surge Testing
10kA, 20kV, IEEE Cat. C3
N
L
S
Y
060
080
100
125
150
200
225
250
Enclosure
NEMA 12
(Standard)
NEMA 3R
NEMA 4
mode
80kA /
mode
100kA /
mode
125kA /
mode
150kA /
mode
200kA /
mode
225kA /
mode
250kA /
mode
Unit
Per Mode
Per Phase
E
060-080
100-150
200-250
8,000
16,000
R
T
X
16,000
32,000
X
NEMA 4X
24,000
48,000
3 Phase, Delta, 3W+G
3 Phase, Delta Hi-leg, 4W+G
D
H
E
G
C
Modes of Protection
All
A
Connection Options
Wire Lug
Disconnect
L-G Voltage
N
R
120V
208V
220V
230V
240V
277V
480V
600V
120
208
230
230
240
277
480
600
Monitoring Options
A
D
Standard Monitoring System,
LEDs, Audible Alarm,
Dual Form C Contacts
LEDs, Audible Alarm,
Surge Counter,
S
C
Dual Form C Contacts
B
F
EMI/RFI Noise Rejection
Single
Frequency
System
Dimensional data in inches and shipping weight in pounds
Unit
34dB
51dB
54dB
48dB
Installation
51dB
100kHz
1MHz
10MHz
100MHz
Unit
Options
A
B
C
D
E
F
G
Wt.
94dB
114dB
120dB
LM060
LM080
All
16 14
16 14
8
16.75 12 0.31
16.75 12 0.31
1.35
32
LM100
LM125
LM150
LM200
LM225
LM250
All
All
8
9
1.84
1.84
41
56
Job Name____________________________
Model# ______________________________
Date ________________________________
Qty _________________________________
Quote# ______________________________
20 16
21.25 10 0.44
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-concepts.com • Web Site: www.Liebert.com
82241 Rev 1
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