Leuze 549942 Data Sheet
Part no.: 549942 – MSI-MC311 – Safety relay
Technical data
Basic data
Series MSI-MC3x
Functions
Functions Automatic start/restart
Restart Automatic
Characteristic parameters
Performance Level (PL) Up to and including e, EN ISO 13849-1
PFH
D
PFH
D
Mission time T
Category Up to and including 4: 1 sensor connected, EN ISO 13849
STOP category 0, IEC/EN 60204-1
M
Start/restart interlock (RES)
Static contactor monitoring (EDM)
Stop function according to category Stop 0
Manual
0.000000025 per hour
2,5E-08 per hour
20 years, EN ISO 13849-1
Electrical data
Protective circuit Fuse on switching output, upstream
Input current, max. 220 mA
External contact fuse protection per current path 4 A gG
Performance data
Supply voltage 24 V, AC/DC, -15 ... 10 %
Outputs
Number of safety-related switching outputs (OSSDs) 2 Piece(s)
Number of digital switching outputs 1 Piece(s)
Safety-related switching outputs
Type Safety-related switching output OSSD
Voltage type AC/DC
Safety-related switching output 1
Switching element Relay, NO
Safety-related switching output 2
Switching element Relay, NO
Switching outputs
Type Digital switching output
Voltage type AC/DC
Switching output 1
Switching element Relay, NO
Function EDM switching output
Timing
Response time 20 ms
Pickup delay, automatic start 30 ms
Pickup delay, manual start 150 ms
Connection
Number of connections 1 Piece(s)
eng 2018-03-31
2 / 4
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