User manual
Table Of Contents
- LS50(75(100(150 Series
- Instruction Manual
- 1. Terminal Explanation
- LS50, LS75
- 2. Terminal connecting method
- LS50, LS75 LS100, LS150
- Maximum output current of each output terminal is 25A. If more than 25A, use 2 terminals
- 3. Explanation of Functions and Precautions
- 3-1. Input Voltage Range
- 3-2. Output Voltage Range
- 3-3. Inrush Current
- 3-4. Over Voltage Protection (OVP)
- 3-5. Over Current Protection (OCP)
- 3-6. Output Ripple & Noise
- 3-7. Series Operation
- 3-8. Parallel Operation
- 4. Isolation / Withstand Voltage
- 4-1. Isolation Test
- 4-2. Withstand Voltage
- 5-1. Output Derating according to the Mounting Directions
- NOTE : LS50, LS75 & LS150 series do not require Input Voltage Derating.
- 5-2 Mounting Method
- Note 1 : When using separate loads, use of two pcs of 0.8mm thick crimp-type terminal is recommended.
- 7. External Fuse Rating
- 8. Before concluding that the unit is at fault…

NEMIC-LAMBDA
LS50
⋅
75
⋅
100
⋅
150 Series
INSTRUCTION MANUAL
1. Terminal Explanation
LS50, LS75
5
4
3
2
1
LN V ADJ-V +V
H
LN V
ADJ
-V
-V +V
+V
H
1
2
3
4
5
6
7
(1) L : Input terminal Live line (Fuse in line)
(2) N : Input terminal Neutral line
(3) FG
: Functional Ground
(4) - V : - Output terminal
(5) +V : + Output terminal
(6) Output voltage adjustable trimmer
(7) Output monitoring indicator (Green LED : ON)
LS100, LS150
(1) L : Input terminal Live line(Fuse in line)
(2) N : Input terminal Neutral line
(3) FG
: Functional Ground
(4) -V : - Output terminal
( 25A max./ terminal)
(5) +V : + Output terminal
( 25A max./ terminal)
(6) Output voltage adjustable trimmer
(7) Output monitoring indicator (Green LED : ON)
2. Terminal connecting method
z Input must be off when making connection.
z Connect FG terminal to ground terminal of the equipment.
z The output load line and input line shall be separated and twisted to improve noise sensitivity.
LS50, LS75 LS100, LS150
Maximum output current of each output terminal is 25A. If more than 25A, use 2 terminals
LN V
ADJ
-V +V
H
LOAD
-
+
LN V
ADJ
-V
-V +V
+V
H
LOAD
-
+
1