Technical data
9.2 General safety data
SIRIUS 3RM1 motor starter
140 Manual, 06/2016, A5E0345285095020A/RS-AE/005
The 3RM11 Failsafe motor starters (direct-on-line starters) / 3RM13 Failsafe motor starters
(reversing starters) have the following safety data:
Safety Integrity Level (SIL) acc. to IEC 61508
Performance level (PL) acc. to EN ISO 13849-1
Category acc. to EN ISO 13849-1
Safety device type acc. to IEC 61508-2
Hardware fault tolerance acc. to IEC 61508
PFHD with high demand rate acc. to EN 62061
PFDavg with low demand rate acc. to IEC 61508
T1 value for proof test interval or service life acc. to IEC 61508
Stop category acc. to DIN EN 60204-1
Safe failure fraction (SFF)
Average diagnostic coverage level (DCavg)
Function test interval maximum
Diagnostics test interval by internal test function maximum
Failure rate [FIT] at rate of recognizable hazardous failures (λdd)
Failure rate [FIT] at rate of non-recognizable hazardous failures (λdu)
Off-delay time with safety-related request when switched off via control inputs maximum
Off-delay time with safety-related request when switched off via supply voltage maximum
ATEX-specific safety data
Referred to ATEX, the 3RM11 Failsafe motor starters (direct-on-line starters) / 3RM13
Failsafe motor starters (reversing starters) have the following safety data:
Safety Integrity Level (SIL) acc. to IEC 61508 relating to ATEX
Hardware fault tolerance acc. to IEC 61508 relating to ATEX
T1 value for proof test interval or service life acc. to IEC 61508 relating to ATEX
PFDavg with low demand rate acc. to IEC 61508 relating to ATEX
PFHD with high demand rate acc. to EN 62061 relating to ATEX