Leuze MSI-SR-2H1 Series, Original Operating Instruction

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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 03/2020 - 50134631-02 - 6/20
4 Function chart
A1/A2/LED power supply
Two-hand pushbutton T1
Two-hand pushbutton T2
Synchronous monitoring
11 - 14 enable branch, LED.K1
11 - 12 signalling branch
t
A
= response time
t
R
= release time
t
W
= recovery time
t
S
= synchronous monitoring time
(1) Enable for synchronous operation
(2) No re-enable if operation is interrupted
(3) No enable as recovery time t
W
is too short
(4) No enable as synchronous monitoring time t
S
is too long
5 Technical data
Function Two-hand monitoring relay
Function indicator 2 LEDs, green
Version 24 V AC/DC
Power circuit
Rated voltage U
N
A1, A2 24 V AC/DC
Operating voltage range U
B
: 0.85 - 1.1 × U
N
20.4 to 26.4 V AC/DC
Rated power (max) 2 VA / 1 W
(2.3 VA / 1.3 W)
Rated frequency 50-60 Hz
Residual ripple 2.4 V
SS
Electrical isolation between supply and control circuits No
Control circuits T11 T12 T13
Rated output voltage 24 V DC
Input current 2.5 mA 25 mA
Max. peak current 3 mA 60 mA
Response time t
A
< 20 ms
Recovery time t
W
> 250 ms
Release time t
R
< 20 ms
Synchronous time monitoring t
S
≤ 500 ms
Max. line resistance per channel (5 + (1.176 × U
B
/ U
N
- 1) × 100) Ω
Output circuits Enabling current path 11-14 Signalling current path 11-12
Switching function Changeover contact
(NO contact)
Changeover contact
(NC contact)
Conditional short-circuit current 350 A 300 A
Contact material Ag alloy
Rated switching voltage 230 V AC
Max. thermal permanent current I
TH
5 A
Utilisation category AC-15: U
e
230 V, I
e
3 A
DC-13: U
e
24 V, I
e
2 A
Short circuit protection 4 A class gG fuse, fuse integral
< 1
00 A²s
Mechanical service life 10
7
switching cycles
General data
Air gap and creepage paths between the circuits EN 60664-1 (pollution degree 2)
Protection class according to EN 60529 IP40/IP20 (case/terminals)
Ambient operating temperature - 25 to +55 ℃
Storage temperature - 25 to +75 ℃
Weight 100 g
Standards EN ISO 13849-1, EN 62061, ISO 13851:2019
Terminal and connection data Screw terminals
(1 clamping point per contact)
Spring-loaded terminals
(2 clamping points per contact)
Single-core or finely stranded 1× 0.2 - 2.5 mm²
2× 0.2 - 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