MSI-SR-ES20-01

Safety relay

Part no.: 50133024

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MSI-SR-ES31-01
Safety relay
Part no.: 50133022
  • Application: Base device for E-Stop applications
  • Restart: Automatic, Manual
  • Type of terminal: Screw terminal
  • Functions: Monitoring of proximity switches, Monitoring of E-...
Part no.: 50133022
Series MSI-SR-ES20
Application Base device for E-Stop applications
Functions Monitoring of proximity switches, Monitoring of E-Stop circuits, Monitoring of position switches
Restart Automatic, Manual
SIL 2, IEC 61508
SILCL 2, IEC/EN 62061
Performance Level (PL) d, EN ISO 13849-1
PFHD 2E-07 per hour
Mission time 20 years, EN ISO 13849-1
Category 3, 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 AC 2 V·A
Rated power DC 1 W
Galvanic isolation between supply and control circuit No
Number of outputs, safety-oriented, undelayed, contact-based 2 Piece(s)
Release current paths NO
Contact material Ag alloy
Usage category AC-15 (NO contact) Ue 230V, Ie 3A
Usage category DC-13 (NO contact) Ue 24V, Ie 3A
Short circuit protection (NO contact) gG class safety fuse 6A, melting integral
Nominal switching voltage, release current paths AC 240 V
Nominal switching voltage, release current paths DC 50 V
Max. thermal continuous current Ith, release current paths 6 A
Max. total current I² of all current paths 72 A²
Mechanical life time 100,000,000 switching cycles
Evaluation of the inputs One-channel
Nominal output voltage DC 24 V
Input current at the control inputs (safety circuit/reset circuit) 50 mA
Max. peak current at the control inputs (safety circuit/reset circuit) 70 mA
Max. cable resistance, per channel ≤ (5 + (1.333 x UB / UN - 1) x 200) Ω
Minimum switch-on time 30 ms
Response time (automatic start tA2) 70 ms
Response time (manual start tA1) 20 ms
Release time tR 70 ms
Recovery time tW 200 ms
Number of connections 1 Piece(s)
Function Voltage supply, Signal IN, Signal OUT
Type of connection Terminal
Type of terminal Screw terminal
No. of pins 8 -pin
Connection cross sections 1 x 0.2 to 2.5 mm², wire, 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 0.2 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 91.5 mm
Net weight 120 g
Housing color Gray
Type of fastening Snap-on mounting
Certifications TÜV Rheinland, c UL US
Customs tariff number 85364900
ECLASS 8.0 27371819
ECLASS 9.0 27371819
ETIM 5.0 EC001449
ETIM 6.0 EC001449
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