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Safety Relay UnitSM1-301

Features23 mm width, compact space-saving type
Applicable to the conditions of Category 4 per ISO 13849-1
25 units of SS4-Series models can be connected in series, still applicable to the conditions of Category 4 per ISO 13849-1
Monitor contacts of emergency stop devices and/or limit switches
3 safety outputs (N.O.) with force guided contacts

Specifications

Power Supply VoltageAC / DC24V (-15%/+10%)
Power Consumption5VA (AC) 2.5W (DC)
Short-circuit ProtectionElectronic Fuse
Safety InputNumber of Input Channels: N.O . input x 2 channels
Input Current: 166mA max. per channel
Safety OutputN.O. Contact x 3
AC250V 6A (AC Resistive) / AC250V 5A (AC General) / DC24V 5A (DC General)
Auxiliary OutputN.C. Contact x 1
AC250V 5A (AC Resistive) / AC250V 5A (AC General) / DC24V 5A (DC General)
PLPLe (Safety Cat.4), SIL 3
Contact MaterialAgSnO₂
Minimum Contact LoadDC5V 10mA
Response Time20ms max.
Dimensions100 x 23 x 114mmDimension
Operating Temperature Range-20 – +60°C
Weight180g
Performance LevelIP20
MTTFd>100 times
Complied StandardsISO 13849-1, IEC 60204-1, IEC 61508-1, IEC 61508-2, IEC 62061, IEC 61326-1,
IEC 61326-3-1, IEC 60068-2-1, IEC 60068-2-2, UL 60947-1, UL 60947-5-1,
CSA C22.2 No. 60947-1, CSA C22.2 No. 60947-5-1, CE, RoHS

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