SCU-1 Control Unit
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The SCU-1 Control Unit, the main control unit, provides for a HE Series multi-gate machine guarding solution capable of monitoring up to 30 switches in the series. It features built-in LED status indicators for power, output, manual and automatic reset. It is IP55 rated and Din-rail mountable for easy installation.
Supply nominal voltage 24Vac/dc (+/- 15 %)
Nominal power consumption 3VA
Safety contacts 2 x NO
Auxiliary contact 1 x NC
Output contact rating (max) 4A/230Vac; 2A/24Vdc(Res.)@Cos=1
Output contact rating (min) 10V/10mA
Output contact fuse rating AC=5A; DC=2.5A; Quick blow
Drop out time Deactivation by inputs, 13ms
Internal fuse 100mA Resettable
Internal fuse recovery time >2 Seconds
Internal switches Reset Manual / Automatic—Selectable
Max conductor size 1 x 2.5mm stranded with sleeves, 1 x 4mm solid
Installation group (Control unit) C in accordance with VDE0110
IP Rating Housing IP40, Terminals IP20
Operating temperature -10C to +55C (85% Humidity max)
Storage temperature -20C to +60C
Housing material Polycarbonate Red
Mounting / Fixing 35mm Symmetric DIN Rail
Utilization category in accordance with EN 60947-4-1
Safety contacts:AC1 at 230 V Imin:10mA.Imax:4A
Safety contacts:DC1 at 24 V Imin:10mA.Imax:2A
Air gap creepage in accordance with EN 60947-1 Vibration In Accordance With EN 60068-2-6
Pollution Degree 2 Weight 210g
Over voltage Category III Frequency 10-55Hz
Rated Insulation Voltage 250V Amplitude 0.35mm
Rated Impulse Withstand Voltage 4.0KV
Simultaneity Channel 1
Simultaneity Channel 2
PL In accordance with EN ISO 13849-1 PL-e, CAT 4
SIL CL in accordance with EN IEC 62061 SIL 3
PFHd in accordance with EN IEC 62061 3.62 x 10-09
PFH 4.43 x 10-09
B10d 2 X 106
MTTFd >100 years ( Based on usage rate of 360 days/year, 24 hours/day, 10 operations/hour )
Tm(mission time) 20 years
DC 96.5%
SFF 98.2%
CE Complies with all relevant sections of the CE marking directive
Machinery Directive 2006/42/EC
Low Voltage Directive 2006/95/EC
Electromagnetic Compatibility Directive 2004/08/EC
EN ISO 13849-1 Safety of Machinery Safety related parts of control systems
EN ISO 62061 Safety of Machinery - Functional safety of safety related electrical, electronic and programmable electronic control systems
EN 60204 Safety of Machinery Electrical equipment for machines
EN 60947-5-1 Low voltage switch gear and control gear
EN 1088 Interlocking devices associated with guards
EN 60947-5-3 Safety of Machinery Specification for low voltage switchgear and control gear
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