NPSM121 Series Instruction Manual
NPSM121 Series V4.0
www.nextys.com
Page 4/5
Fig.1
Connections
Fig.2
Dimensions
Fig.3
Distances
Just for reference
(1)
AC/DC input
(2)
DC output (load)
(3)
Diagnostic Output
(dry contact, NC output OK)
(4)
Green LED: Output OK
(5)
Red LED: Overload
(6)
Output voltage adjustment
(7)
Selectable limitation mode
(Hiccup mode, C.C. mode)
Input AC Line:
L = Line
N = Neutral
I
= earth ground
Input DC Line:
L = + Positive DC
N = - Negative DC
I
= earth ground
Output:
+ = Positive DC
- = Negative DC
Dry contact = NC
Dimension
W
D
H
mm (inch)
35 (1.37)
104 (4.09)
103 (4.05)
Distance
A
B
mm (inch)
20 (0.8)
50 (2.0)
Fig.4
Mounting / Dismounting Instructions
For DIN rail fastening according to IEC 60715 TH35-7.5(-15)
Mounting as shown in figure, with input terminals on lower side, with suitable cooling and maintaining a proper distance between adjacent devices as specified in the I.S.
manual of each family.
Mounting:
1
2
1.
Tilt the unit slightly backwards.
2.
Fit the unit over the top edge of the rail.
3.
Slide it downward until it hits the stop.
4.
Press against the bottom for locking.
3
4
