SCR-2H

Hand Control Safety Relay IDEM SCR-2H.

IDEM's SCR-2H is a compact, universal 2 hand control safety relay. It complies with EN574, Type IIIC and is intended for use in safety circuits designed in accordance with EN60204-1.

The SCR-2H is suitable for connection of two hand buttons with one normally closed contact and one normally open contact.

Features:

• Two Force Guided Safety Output Contacts.
• Standards: EN574, EN60204-1, ISO13849-1, EN62061
• Redundancy and cycle monitoring
• Short circuit monitoring
• 22.5mm Din Rail Mounting.
• Choice of 24Vac/dc, 110Vac or 230Vac supply.

Specification:

Standards:

• EN60204-1
• ISO13849-1:
• Performance Level: e
• Category (ISO13849-1): 4
• MTTFd: 96.6 years
• DC (average): 99%
• Proof Test Interval (Life): 10 years
• Safety Data Annual Usage: 261 days per year/16 hours per day; Test cycle 7.6 seconds/cycle; Low load AC1
• EN62061:
• SILCL: 3
• Proof Test Interval (life): 10 years
• Hardware Fault Tolerance: 1
• DC (average): 99%
• PFHd: 1.2 x 10-8

Safety Classification and Reliability Data:

• Safety Switching Outputs: 2NC positively guided
• Operating Voltage: 24Vac/dc, 110VAC or 230VAC
• Supply Deviation: +/-10%
• Control Voltage at S11: 24Vdc
• Control Current S11 to S14: 20mA approx.
• Release Time for the NC Contacts after Release of Buttons: <20ms
• Synchronisation Time: <0.5s
• 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 internal relay K1 energised
• LED2 internal relay K2 energised
• 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
• Auxiliary Contact Breaking Capacity:
• AC: 250V, 500VA, 2A
• DC: 50V, 30W, 1.25A ohmic
• External Fuse Protection - Safety Outputs: 4A slow blow or 6A quick blow
• Minimum Voltage and Current: 24V, 20mA dc
• Rated Insulation Voltage: 250V
• Protection: IP20
• Rated Impulse Withstand Voltage: 4kV
• Operating Temperature: -15°C ~ 40°C
• Mounting: 22.5mm DIN rail
• Weight: 200g approx.

Warranty: 36 months

Ordering Information:

• SCR-2H 180030 - Terminal type: Standard Screw Terminals; Supply voltage: 24VAC/VDC; Output contacts: 2NC
• SCR-2H 180031 - Terminal type: Standard Screw Terminals; Supply voltage: 230VAC; Output contacts: 2NC
• SCR-2H 180032 - Terminal type: Standard Screw Terminals; Supply voltage: 110VAC; Output contacts: 2NC
• SCR-2H 180030-P - Terminal type: Pluggable Screw Terminals; Supply voltage: 24VAC/VDC; Output contacts: 2NC
• SCR-2H 180031-P - Terminal type: Pluggable Screw Terminals; Supply voltage: 230VAC; Output contacts: 2NC
• SCR-2H 180032-P - Terminal type: Pluggable Screw Terminals; Supply voltage: 110VAC; Output contacts: 2NC