Safety relay

Part no.: 50133008

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Series MSI-SR-LC21
Application Base device for E-Stop and safety door applications
Functions Monitoring of E-Stop circuits
Monitoring of optoelectronic protective devices
Monitoring of position switches
Monitoring of proximity switches
Monitoring of solenoid switches
Restart Automatic
SIL 3, IEC 61508
SILCL 3, IEC/EN 62061
Performance Level (PL) e, EN ISO 13849-1
MTTFd 78 years, EN ISO 13849-1
PFHD 1,7E-09 per hour
Mission time 20 years, EN ISO 13849-1
Category 4, EN ISO 13849
DCAVG 99 %
B10d at DC13 (inductive load) 435,000 number of cycles, (2.5 A, 230 V), 700,000 (1 A, 230 V)
B10d at AC15 (inductive load) 230,000 number of cycles, (3 A, 230 V), 380,000 (1 A, 230 V)
Nominal voltage UN 24 V AC/DC
Nominal frequency 50 ... 60 Hz
Operating voltage 0.85 ... 1.1 x UN
Rated power DC 2 W
Galvanic isolation between supply and control circuit No
Number of outputs, safety-oriented, undelayed, contact-based 2 Piece(s)
Number of outputs, signaling function, undelayed, contact-based 1 Piece(s)
Release current paths NO
Signaling current paths NC
Contact material Ag alloy, gold-plated
Usage category AC-15 (NO contact) Ue 230V, Ie 3A
Usage category DC-13 (NO contact) Ue 24V, Ie 2,5A
Short circuit protection (NO contact) gG class safety fuse 6A, melting integral
Max. thermal continuous current Ith, release current paths 6 A
Max. thermal continuous current Ith, signaling current paths 3 A
Max. total current I² of all current paths 9 A²
Mechanical life time 100,000,000 switching cycles
Evaluation of the inputs Two-channel
Input current at the control inputs (safety circuit/reset circuit) 40 mA
Max. peak current at the control inputs (safety circuit/reset circuit) 100 mA
Max. cable resistance, per channel ≤ (5 + (1.176 x UB / UN - 1) x 100) Ω
Minimum switch-on time 50 ms
Response time (automatic start tA2) 500 ms
Response time (manual start tA1) 40 ms
Test pulse time permitted tTP 1 ms
Release time tR 25 ms
Sychronous time monitoring tS 200 ms
Recovery time tW 150 ms
Number of connections 1 Piece(s)
Function Signal IN
Signal OUT
Voltage supply
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 0.25 to 1.0 mm², wire with wire-end sleeve
Dimension (W x H x L) 22.5 mm x 96.5 mm x 114 mm
Net weight 210 g
Housing color Gray
Type of fastening Snap-on mounting
Certifications TÜV Rheinland
Customs tariff number 85364900
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
3D-CAD model - zip
EPLAN macro - edz
Operating instructions - pdf
Data sheet - pdf
Product brochure - pdf
Product flyer - pdf
EC declaration of conformity - pdf
Certificate - TÜV Rheinland - pdf