Safety relay

Part no.: 547958

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Series MSI-TB
Application Evaluation unit for type 2 single beam safety devices in accordance with IEC/EN 61496
Functions "Error" signal output
"Safety ON" signal output
Contactor monitoring (EDM)
Periodic function test
Start/restart interlock (RES)
Restart Automatic
Type 2, IEC/EN 61496
SIL 1, IEC 61508
SILCL 1, IEC/EN 62061
Performance Level (PL) c, EN ISO 13849-1
MTTFd 78 years, EN ISO 13849-1
PFHD 8.8E-08 per hour
Mission time 20 years, EN ISO 13849-1
Category 2, EN ISO 13849-1
Protective circuit Polarity reversal protection
Short circuit protected
Continuous current per current path, max. 2 A
Supply voltage UB 24 V, DC, -20 ... 20 %
Current consumption, max. 200 mA, Without external load
Power consumption, max. 4.8 W, For 24 V, plus output load
Residual ripple -15 ... 15 %
Fuse External with max. 3.15 A semi time-lag
Number of digital switching inputs 4 Piece(s)
Type Digital switching input
Switching voltage high, min. 18.2 V
Switching voltage low, max. 2.5 V
Switching voltage, typ. 23 V
Voltage type DC
Function Control input for contactor monitoring (EDM)
Function Control input for receiver
Function RES/Start control input
Function Control input for Reset
Function Restart interlock control input
Number of safety-related switching outputs (OSSDs) 2 Piece(s)
Number of digital switching outputs 3 Piece(s)
Type Safety-related switching output OSSD
Voltage type DC
Current load, max. 2,000 mA
Switching element Relay, NO
Switching element Relay, NO
Type Digital switching output
Switching voltage high, min. 18.2 V
Switching voltage low, max. 2.5 V
Switching voltage, typ. 23 V
Voltage type DC
Switching element Transistor, PNP
Function "Safety ON" signal output
Switching element Transistor, PNP
Function "Error" signal output
Switching element Transistor, PNP
Function Test signal output (transmitter)
Number of outputs, safety-oriented, undelayed, contact-based 2 Piece(s)
Number of outputs, safety-oriented, delayed, contact-based 0 Piece(s)
Number of outputs, signaling function, undelayed, contact-based 0 Piece(s)
Response time 20 ms
Switch-on delay 2 s
Regression delay 20 ms
Sensor response time on test request 0.5 ... 60 ms
Number of connections 1 Piece(s)
Function Connection to device
Voltage supply
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 Unreinforced polyamide PA
Net weight 200 g
Housing color Gray
Type of fastening Snap-on mounting
Type of display LED
Number of LEDs 4 Piece(s)
Ambient temperature, operation -30 ... 60 °C
Ambient temperature, storage -40 ... 70 °C
Relative humidity (non-condensing) 0 ... 95 %
Degree of protection IP 40
Protection class II
Certifications TÜV Süd
c TÜV Rheinland US
US patents US 6,418,546 B
Customs tariff number 85371098
ECLASS 5.1.4 27371800
ECLASS 8.0 27371819
ECLASS 9.0 27371819
ECLASS 10.0 27371819
ECLASS 11.0 27371819
ECLASS 12.0 27371819
ECLASS 13.0 27371819
ECLASS 14.0 27371819
ETIM 5.0 EC001449
ETIM 6.0 EC001449
ETIM 7.0 EC001449
ETIM 8.0 EC001449
ETIM 9.0 EC001449
3D-CAD model - zip
EPLAN macro - edz
EC declaration of conformity - pdf
Certificate - TÜV Rheinland - pdf