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Series: MSI-SR-LC21DT
Application: Base device for E-Stop and safety door applications

Supply circuit
Nominal voltage UN: 24 V DC
Max. rating control supply voltage at DC: 26.4 V
Min. rating control supply voltage at DC: 20.4 V
Rated power DC: 2.6 W

Output circuit
Number of outputs, safety-oriented, undelayed, contact-based: 2
Number of outputs, safety-oriented, delayed, contact-based: 1
Release current paths: NO
Release current paths, time-delayed: NO contact, off-delay
Nominal switching voltage, release current paths AC: 230 V

Control circuit
Nominal output voltage DC: 22 V
Minimum switch-on time: 200 ms
Response time (automatic start): 700 ms
Response time (manual start): 30 ms
Release time: 25 ms
Release time, time-delayed contacts (tolerance): 0.15 - 3 s / 1.5 -30 s ( /-16 %)
Recovery time: 500 ms

Number of connections: 1
Type of connection: Screw terminal
Function: Voltage supply, Signal IN, Signal OUT
Certification: TUV Rheinland, c UL US
Functions: Monitoring of proximity switches, Monitoring of E-Stop circuits, Monitoring of optoelectronic protective devices, Monitoring of position switches
Restart: Automatic, Manual

Evaluation unit with adjustable time delay for emergency stop, safety switches with relay contacts and with OSSD outputs, safety light barriers and safety laser scanners, up to SIL 3 / SILCL 3 and cat. 4 / PL e, automatic or manual reset, 2 release contacts, 1 delayed release contact up to cat. 3 / PL d, models with delay of up to 3 or up to 30 seconds.

Can be used universally for sensors with relay contacts and sensors with OSSD outputs
Adjustable delay from 0.15 to 3 seconds or from 1.5 to 30 seconds for applications with stop category 1
Pluggable screw or spring-cage terminals for simple installation and simple device exchange



Additional Info

Application Function For E-Stop and Safety Doors Time Delay
Brand Leuze
Component Type Safety Relay
Connection Screw Terminal
Leuze Product Series Leuze MSI-SR-LC21DT03/30 Safety Relay Evaluation Unit with Time Delay

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