MSI-SR-2H21-03

Safety relay

Part no.: 50133017

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Series MSI-SR-2H21
Application Evaluation unit for two-hand control devices
SIL 3, IEC 61508
SILCL 3, IEC/EN 62061
Performance Level (PL) e, EN ISO 13849-1
PFHD 3E-08 per hour
Mission time 20 years, EN ISO 13849-1
Category 4, EN ISO 13849
Nominal voltage UN 24 V AC/DC
Nominal frequency 50 ... 60 Hz
Rated control supply voltage US at AC 60 Hz 20.4 V
Rated control supply voltage US at AC 50 Hz 26.4 V
Max. rated control supply voltage at AC 50 Hz 26.4 V
Min. rated control supply voltage US at AC 50 Hz 20.4 V
Min. rated control supply voltage US at DC 20.4 V
Max. rated control supply voltage at DC 26.4 V
Min. rated control supply voltage at DC 20.4 V
Rated power DC 2.4 W
Galvanic isolation between supply and control circuit Yes (when UN ≥ AC 115-230 V, AC 230 V)
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
Nominal switching voltage, release current paths AC 230 V
Max. thermal continuous current Ith, release current paths 6 A
Max. thermal continuous current Ith, signaling current paths 2 A
Max. total current I² of all current paths 9 A²
Mechanical life time 100,000,000 switching cycles
Executing the switching function of the inputs Changeover
Nominal output voltage DC 24 V
Input current at the control inputs (safety circuit/reset circuit) 60 mA
Max. peak current at the control inputs (safety circuit/reset circuit) 1,000 mA
Max. cable resistance, per channel ≤ (5 + (1.333 x UB / UN - 1) x 200) Ω
Response time (automatic start tA2) 40 ms
Response time (manual start tA1) 40 ms
Release time tR 50 ms
Sychronous time monitoring tS 500 ms
Recovery time tW 250 ms
Number of connections 1 Piece(s)
Function Voltage supply, Signal IN, Signal OUT
Type of connection Terminal
Type of terminal Spring-cage terminal
No. of pins 16 -pin
Connection cross sections 2 x 0.2 to 1.5 mm², wire, 2 x 0.2 to 1.5 mm², wire, 2 x 0.25 to 1.5 mm², wire with wire-end sleeve
Dimension (W x H x L) 22.5 mm x 107 mm x 114 mm
Net weight 200 g
Housing color Gray
Type of fastening Snap-on mounting
Certifications TÜV Rheinland, c UL US
Customs tariff number 85364900
ECLASS 8.0 27371821
ECLASS 9.0 27371821
ECLASS 10.0 27371821
ECLASS 12.0 27371821
ETIM 5.0 EC001452
ETIM 6.0 EC001452
ETIM 7.0 EC001452
3D-CAD model - zip
EPLAN macro - edz
Operating instructions - pdf
Data sheet - pdf
Product brochure - pdf
Product flyer - pdf
Declaration of Conformity - pdf
Certificate - TÜV Rheinland - pdf