Safety relay

Part no.: 547956

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Safety relay
Part no.: 50133016
  • Application: Evaluation unit for two-hand control devices in ac...
  • Restart: Through synchronous actuation
  • Type of terminal: Screw terminal
  • Functions: Two-channel actuation (one normally open contact a...
Part no.: 50133016
Series MSI-2HB
Functions Automatic start/restart
Contactor monitoring (EDM)
Cross circuit monitoring
Simultaneity monitoring of the two-hand buttons
SIL 3, IEC 61508
SILCL 3, IEC/EN 62061
Performance Level (PL) e, EN ISO 13849-1
MTTFd 70 years, EN ISO 13849-1
PFHD 3.8E-08 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 DC1 (ohmic load) 400,000 number of cycles
B10d at AC1 (ohmic load) 400,000 number of cycles
B10d at DC13 (inductive load) 400,000 number of cycles
B10d at AC15 (inductive load) 400,000 number of cycles
B10d, low load 20,000,000 number of cycles
Protective circuit Fuse on switching output, upstream
Switching frequency, max. 3600 switching cycles/h
Continuous current per current path, max. 3 A
External safeguarding for supply circuit 1 A delay-action
External contact fuse protection per current path 5 A quick-action, or 3.15 A delay-action
Permissible input line resistance, max. 70 Ω
Supply voltage UB 24 V, -15 ... 10 %
Number of safety-related switching outputs (OSSDs) 2 Piece(s)
Type Safety-related switching output OSSD
Voltage type AC/DC
Switching element Relay, NO
Switching element Relay, NO
Response time 20 ms
Readiness delay 150 ms
Restart delay time 50 ms
Pickup delay 50 ms
Regression delay 20 ms
Time window for simultaneity monitoring, max. 0.5 s
Number of connections 1 Piece(s)
Function Connection to device
Type of connection Terminal
Type of terminal Screw terminal
No. of pins 16 -pin
Connection cross sections 0.2 to 2.5 mm²
Dimension (W x H x L) 22.5 mm x 99 mm x 114.1 mm
Housing material Plastic
Plastic housing PA 66
Electrical contact material AgSnO2, gold flashed
Net weight 200 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 3 Piece(s)
Ambient temperature, operation -25 ... 55 °C
Degree of protection IP 20 (terminals)
IP 40 (housing)
Protection class II
Certifications TÜV Süd
Customs tariff number 85371098
ECLASS 8.0 27371821
ECLASS 9.0 27371821
ETIM 5.0 EC001452
Operating instructions - pdf