Safety relay

Part no.: 547954

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Series MSI-RM2B
Functions Signal conversion of electronic safety outputs on potential-free relay contacts
Restart Automatic
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
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
Supply voltage UB 24 V, DC, -20 ... 20 %
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
Pickup delay 20 ms
Regression delay 10 ms
Number of connections 1 Piece(s)
Function Connection to device
Type of connection Terminal
Type of terminal Screw terminal
No. of pins 12 -pin
Connection cross sections 0.2 to 2.5 mm²
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
Type of display LED
Number of LEDs 2 Piece(s)
Ambient temperature, operation 0 ... 50 °C
Ambient temperature, storage -25 ... 70 °C
Degree of protection IP 20
Protection class II
Certifications TÜV NRTL US
Customs tariff number 85371098
ECLASS 8.0 27371819
ECLASS 9.0 27371819
ECLASS 10.0 27371819
ECLASS 12.0 27371819
ETIM 5.0 EC001449
ETIM 6.0 EC001449
ETIM 7.0 EC001449
ETIM 8.0 EC001449
EPLAN macro - edz
Operating instructions - pdf
Data sheet - pdf
Product brochure - pdf
Product flyer - pdf
EC declaration of conformity - pdf
Certificate - TÜV Süd - pdf
Certificate - TÜV Süd cNRTL US - pdf