Security Relays

SR3C

Safety Relays SR3C

Features

3 safe, spare relay contacts
1 auxiliary contact (signaling contact)
Connection: Emergency stop buttons, Safety switches, Non-contact safety switches, OSSD Outputs
Single and dual channel operation possible
Feedback loop or expansion modules to monitor downstream contactors
Cyclical monitoring of output contacts
Switching status indication via LED
2 start behavior possible: Manual start monitored, Automatic start
Short circuit and earth fault monitoring
PL e'ye, SILCL 3, up to category 4

SR3C
Safety function	Emergency stop monitoring, safety guard monitoring, light grids monitoring
Certified according to	EN 60204-1; DIN EN ISO 13849-1; EN 62061; IEC 61508 Teil 1-2 und 4-7; IEC 61511-1
Approvals	CE, TUV, GL, UL (for fixed screw terminals)
Supply voltage	AC/DC 24 V / AC 115 V / AC 230 V
Number of safe relay contacts	3
Max. switching capability of safe relay contacts	8 A / 250 VAC resistive load
Number of auxiliary relay contacts	1 relay
Number of non time-delayed contacts	3
Number of time-delayed contacts	-
Starting behavior	Automatic start or manual, monitored start
PL; Cat.; SILCL (EN ISO 13849-1; EN 62061)	PL e; Cat. 4; SILCL 3
Width	22.5 mm
Order No. fixed screw terminals	472173 (24 V) / 472171 (115 V) / 472170 (230 V)
Order No. plug-in screw terminals (no UL)	474173 (24 V) / 474171 (115 V) / 474170 (230 V)
Order No. plug-in dual tensile spring terminals (no UL)	475173 (24 V) / 475171 (115 V) / 475170 (230 V)
Order No. EKLS4; set of plug-in screw terminals	472592
Order No. EKLT4; set of plug-in dual tensile spring terminals	472595