SEU-1

Safety Relay Expansion Module IDEM SEU-1.

The SEU-1 is an expansion unit which offers 3 additional NC Safety Output Contacts.

An existing system using SCR-2 or SCR-3 can be expanded modularly. The safety actuation is achieved from the basic SCR-2 or SCR-3 relay.

Features:

• 3NC Relay outputs
• 22.5mm Din Rail Mounting.
• 1NO Auxiliary contact (fault monitoring)
• Standards: EN60204-1, ISO13849-1, EN62061
• Three Force guided contacts
• Fault monitoring by basic SCR device

Specification:

Standards:

• EN60204-1
• ISO13849-1:
• Performance Level: e
• Category (ISO13849-1): 4
• MTTFd: 567 years
• DC (average): 99%
• Proof Test Interval (Life): 20 years
• Safety Data Annual Usage: 365 days per year/24 hours per day; Test cycle 3600 seconds/cycle; Full load AC15
• EN62061:
• SILCL: 3
• Proof Test Interval (life): 20 years
• Hardware Fault Tolerance: 1
• DC (average): 99%
• PFHd: 1.2 x 10-8

Safety Classification and Reliability Data:

• Safety Switching Outputs: 3NC
• Auxiliary Contact: 1NO
• Operating Voltage: 24Vac/dc, 110VAC or 230VAC
• Supply Deviation: +/-10%
• Control Voltage at S11: 24Vdc
• Control Current S11 to S14: 40mA approx.
• Monitored Reset Circuit Loop: Auto or Monitored Manual Reset
• Maximum Line Conductor Cross Section: 2.5 sq mm
• Maximum Length of Control Line: 1000m with 0.75 sq mm
• Contact Material: AgNi
• Indication - Green: LED1 and LED2 OSSD closed
• Contact Service Life: Mechanical 1x107; Electrical 1x105
• Safety Contact Breaking Capacity:
• AC: 250V, 1500VA, 6A, ohmic; 230V, 4A for AC15
• DC: 24V, 30W, 1.25A, ohmic; 24V, 30W, 2.0A for DC-13
• External Fuse Protection - Safety Outputs: 4A slow blow or 6A quick blow
• Minimum Voltage and Current: 24V, 20mA dc
• Response Time on Output Opening: 90ms
• Rated Insulation Voltage: 250V
• Protection: IP20
• Rated Impulse Withstand Voltage: 4kV
• Operating Temperature: -15°C ~ 40°C
• Mounting: 22.5mm DIN rail
• Weight: 170g approx.

Warranty: 36 months

Ordering Information:

• SEU-1 180010 - Terminal type: Standard Screw Terminals; Supply voltage: 24VAC/VDC; Output contacts: 3NC; Auxiliary output contacts: 1NO
• SEU-1 180011 - Terminal type: Standard Screw Terminals; Supply voltage: 110VAC; Output contacts: 3NC; Auxiliary output contacts: 1NO
• SEU-1 180012 - Terminal type: Standard Screw Terminals; Supply voltage: 230VAC; Output contacts: 3NC; Auxiliary output contacts: 1NO
• SEU-1 180010-P - Terminal type: Pluggable Screw Terminals; Supply voltage: 24VAC/VDC; Output contacts: 3NC; Auxiliary output contacts: 1NO
• SEU-1 180011-P - Terminal type: Pluggable Screw Terminals; Supply voltage: 110VAC; Output contacts: 3NC; Auxiliary output contacts: 1NO
• SEU-1 180012-P - Terminal type: Pluggable Screw Terminals; Supply voltage: 230VAC; Output contacts: 3NC; Auxiliary output contacts: 1NO