Safety relay

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Basic data

Series                                MSI-RM2B

 Functions

Functions                            Signal conversion of electronic safety outputs on potential-free relay contacts
Restart                               Automatic

 Characteristic parameters

Mission time                        20 years, EN ISO 13849-1
Category                            Up to 4 (depending on the category of the upstream protective device), EN ISO 13849
B10d at DC1 (ohmic load)       10,000,000 number of cycles, (2 A, 24 V)
B10d at AC1 (ohmic load)       1,300,000 number of cycles, (0.5 A, 230 V)
B10d at DC13 (inductive load)  10,000,000 number of cycles, (2 A, 24 V)
B10d at AC15 (inductive load)  1,300,000 number of cycles, (0.5 A, 230 V)
B10d, low load                      1,860,000 number of cycles

 Electrical data

Protective circuit                  Fuse on switching output, upstream
Switching frequency, max.      36000 switching cycles/h
Continuous current per current path, max.              3 A
External contact fuse protection per current path     5 A quick-action, or 3.15 A delay-action
Permissible input line resistance, max.                     50 Ω

 Performance data

Supply voltage UB               24 V, DC, -20 ... 20 %

 Outputs

Number of safety-related switching outputs (OSSDs)     2 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

 Time behavior

Pickup delay                    20 ms
Regression delay              10 ms

 Connection

Number of connections      1 Piece(s)

 Connection 1

Function                         Connection to device
Type of connection           Terminal
Type of terminal               Screw terminal
No. of pins                      12 -pin

 Cable properties

Connection cross sections     0.2 to 2.5 mm²

 Mechanical data

Dimension (W x H x L)         17.5 mm x 99 mm x 114.1 mm
Housing material                 Plastic
Plastic housing                   PA 66
Electrical contact material    AgNi10 + 5 mm Au
Net weight                        120 g
Housing color                    Gray
Type of fastening                Snap-on mounting
Mechanical life time            10,000,000 actuation cycles

 Operation and display

Type of display                  LED
Number of LEDs                 2 Piece(s)

 Environmental data

Ambient temperature, operation     0 ... 50 °C
Ambient temperature, storage      -25 ... 70 °C

 Certifications

Degree of protection           IP 20
Protection class                  II
Certifications                     TÜV NRTL US
                                      c UL US