Leuze electronic GmbH + Co. KG
In der Braike 1 D-73277 Owen
We reserve the right to make changes
info@leuze.de
•
www.leuze.com
Tel. +49 (0) 7021 573-0
01/2018 - 50134633-01 - 8/22
Terminal and connection data
Screw terminals
(1 terminal point per contact)
Spring-loaded terminals
(2 terminal points per
contact)
Single-core or finely stranded
1 × 0.14 - 2.5 mm²
2 × 0.14 - 1.0 mm²
2 × 0.2 - 1.5 mm²
Finely stranded with wire-end ferrule
1 × 0.25 - 2.5 mm²
2 × 0.25 - 1.0 mm²
2 × 0.25 - 1.5 mm²
AWG conductor size (only use Cu wires)
26 - 14
24 - 16
Maximum tightening torque
0.5 - 0.6 Nm (5 - 7 lbf-in)
Stripping length
7 mm
7 mm
8
Dimensions
MSI-SR-ES20-01 (screw terminal)
MSI-SR-ES20-03 (spring-loaded terminal)
9
Load limit curve and derating
Load limit curve, ohmic load
Derating
Vo
ltag
e,
V DC
C
ur
ren
t s
um
o
f s
qua
re
s
Σ
I
2
, A
2
Example:
Permanent current via contact
13-14: 2 A,
permanent current via
contact 23-24: 1 A:
Σ
I
2
= (2 A)
2
+ (1 A)
2
= 5 A
2
⇒ POU can be used in entire
temperature range, as
Σ
I
2
< 9 A
2
.
Current, A
Ambient operating temperature,
°C
10
Installation
Montage
Demontage
1.
Attach the device to the
DIN rail.
2.
Snap the device onto the
DIN rail by applying slight
pressure in the direction of
the arrow.
3.
Press the device down in the
direction of the arrow.
4.
While it is pressed down,
detach the device from the
latching (in the direction indi-
cated by the arrow) and re-
move it from the DIN rail.
