MSI-SR5

Safety relay

Part no.: 549991

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MSI-SR5B-01
Safety relay
Part no.: 547952
  • Application: E-Stop circuits
  • Restart: Automatic
  • Type of terminal: Screw terminal
  • Functions: Double sensor monitoring
Part no.: 547952
Series MSI-SR5
Functions Automatic start/restart
Cross circuit monitoring
Double sensor monitoring
Start/restart interlock (RES), selectable
Static contactor monitoring (EDM)
Restart Automatic
Manual
Type 4, IEC/EN 61496
SIL 3, IEC 61508
SILCL 3, IEC/EN 62061
Performance Level (PL) e, EN ISO 13849-1
MTTFd 73 years, EN ISO 13849-1
PFHD 1E-08 per hour
PFHD, nop = 4800 0.00000001 per hour
PFHD, nop = 28800 0.00000002 per hour
PFHD, nop = 86400 0.00000005 per hour
Mission time 20 years, EN ISO 13849-1
Category 4, EN ISO 13849-1
STOP category 0, IEC/EN 60204-1
B10d at AC1 (ohmic load) 400,000 number of cycles
B10d at DC13 (inductive load) 4,000,000 number of cycles
Protective circuit Fuse on switching output, upstream
Switching frequency, max. 3600 switching cycles/h
Continuous current per current path, max. 2 A
Input current, max. 150 mA
External safeguarding for supply circuit 200 mA delay-action
External contact fuse protection per current path 5 A quick-action, or 3.15 A delay-action
Permissible input line resistance, max. 30 Ω
Supply voltage UB 24 V, DC, -20 ... 20 %
Current consumption, max. Without external load
Number of safety-related switching outputs (OSSDs) 2 Piece(s)
Type Safety-related switching output OSSD
Voltage type DC
Switching element Relay, NO
Switching element Relay, NO
Pickup delay, automatic start 350 ms
Pickup delay, manual start 50 ms
Regression delay 10 ms
Test pulse acceptance, max. 1 ms
Time window between 2 channels of a sensor, max. 60 ms
Number of connections 1 Piece(s)
Connectible safety sensors (AOPDs) Up to 2 AOPDs type 4, type 3 or type 2 self-testing
Connectible electro-mechanical safety devices E-Stop command devices, 1 and 2-channel
Safety switches
Function Connection to device
Type of connection Terminal
Type of terminal Screw terminal
No. of pins 16 -pin
Connection cross sections 1 x 0.2 to 2.5 mm², wire
1 x 0.25 to 2.5 mm², wire with wire-end sleeve
2 x 0.2 to 1.0 mm², wire
2 x 0.2 to 1.5 mm², wire
2 x 0.5 to 1.5 mm², wire with twin wire-end sleeve
2 x 0.25 to 1.0 mm², wire with wire-end sleeve
Dimension (W x H x L) 22.5 mm x 111.5 mm x 99 mm
Housing material Plastic
Plastic housing PA 66
Net weight 170 g
Housing color Gray
Type of fastening Snap-on mounting
Mechanical life time 10,000,000 actuation cycles
Type of display LED
Number of LEDs 4 Piece(s)
Ambient temperature, operation 0 ... 55 °C
Ambient temperature, storage -25 ... 70 °C
Relative humidity (non-condensing) 0 ... 95 %
Degree of protection IP 20 (terminals)
IP 40 (housing)
Protection class II
Approvals c CSA US
c TÜV NRTL US
c UL US
Customs tariff number 85371098
ECLASS 8.0 27371819
ECLASS 9.0 27371819
ETIM 5.0 EC001449
ETIM 6.0 EC001449
3D-CAD model - MSI-SR5 - zip
EC declaration of conformity - pdf
Certificate - TÜV Süd - pdf
Certificate - c TÜV NRTL US - pdf