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
12/2018 - 50134620-02 - 6/21
Technical Data
Supply
MSI-SR-LC21-xx
Rated voltage U
N
AC/DC 24 V
Rated power DC
2.0 W
Rated power AC
2.4 W / 4.4 VA
Residual ripple
2.4 V
SS
Rated frequency
50 ... 60 Hz
Operating voltage range
0.85 ... 1.1 x U
N
Protection for control circuit supply
Short-circuit-proof (PTC thermistor)
Control circuit
Rated output voltage S11, S33 to S21
DC 22 V
Output current/peak current
100 mA / 2000 mA
Input voltage range
High
DC 17.4 V to DC 26.4 V
Low
DC -3.0 V to DC +5.0 V
Rated current/peak current S12, S31/S22
40 mA / 100 mA
Rated current/peak current S34, S35
5 mA / 50 mA
Permissible test pulse time t
TP/
test frequency
≤
1000
μ
s /
≤
10 s
-1
Operate time t
A1
S34
20 ms to 40 ms
Operate time t
A2
S35
200 ms to 500 ms
Min. ON time t
M
S34, S35
> 50 ms
Lock time t
SP
---
Operate time of lock t
ASP
---
Recovery time t
W
≥
40 ms
Release time t
R1
K1, K2
< 25 ms
Release time t
R2
K1, K2, switching by A1
< 150 ms
Synchronous monitoring time t
S
appr. 200 ms
Max. impedance short circuit safety mats incl.
connecting cable
---
Line resistance
≤ 70
Ω
Output circuit
Enabling paths
Contact equipment
2 NO contacts, positively driven
Rated switching voltage U
n
AC 230 V
Max. continuous current I
n
per current path
6 A
Max. total current for all current paths
12 A
Utilization category according to EN 60947-5-1
AC-15: Ue AC 230 V, Ie 3 A
DC-13: Ue DC 24 V, Ie 2.5 A
Mechanical service life
10 x 10
6
switching operations
Signalling paths
Contact equipment
1 NC, parallel, positively driven
Rated switching voltage U
n
AC 230 V
Max. continuous current I
n
per current path
6 A
Utilization category according to EN 60947-5-1
AC-15: Ue AC 230 V, Ie 3 A
DC-13: Ue DC 24 V, Ie 2.5 A
Mechanical service life
10 x 10
6
switching operations
General data
Clearance/creepage distance between circuits
to EN 60664-1
Rated impulse withstand level
4 kV
Contamination level of device: inside/outside
2 / 3
Rated voltage
AC 300 V
Protection class to EN 60529 housing/terminals
IP 40 / IP 20
Ambient/storage temperature
-25 ... +55 / -25 ... +75 °C
Weight
0.21 kg
Terminals and connection
screw-type terminals
spring-type terminals
Single-core or finely stranded
1 x 0.2 - 2.5 mm² / 2 x 0.2 - 1.0 mm²
2 x 0.2 - 1.5 mm²
Finely stranded with wire-end ferrule
1 x 0.25 - 2.5 mm² / 2 x 0.25 - 1.0 mm²
2 x 0.25 - 1.5 mm²
AWG conductor size (only use Cu wires)
26 - 14
24 - 16
Max. tightening torque
0.5 to 0.6 Nm (5 - 7 lbf-in)
---
Stripping length
7 mm
Safety characteristic values
Performance Level (EN ISO 13849-1)
PL e
Category (EN ISO 13849-1)
Category 4
SIL
CL
(EN 62061)
SIL
CL
3
MTTF
d
(EN ISO 13894-1)
78 years
PFH
D
1.7 x 10
-9
per hour
Mission time T
M
(EN ISO 13894-1)
20 years
B10
d
DC13
435,000 cycles (2,5A)
700,000 cycles (1A)
B10
d
AC15
230,000 cycles (3A)
380,000 cycles (1A)
DC
AVG
99%
