ABB CT-ARS.21S – Single-Function Electronic Time Relay, ABB

Extended Product Type:Time Relay

Product ID:CT-ARS.21S

GE Type Designation:Single-Function

Operating Voltage:24VDC

Max Output Current:1A

Relay Contacts Rating:250VAC/24VDC, 5A@24VDC

Input Range:0-10mA DC

Accuracy:±1%

Switching Speed:≤1ms

Operating Ambient Temperature:-20°C to +60°C

Storage Temperature Range:-40°C to +85°C

Humidity:0% to 95% non-condensing

Enclosure Type:IP20

Certification:UL, CE, CSA

    The ABB CT-ARS.21S single-function electronic time relay is engineered to provide unparalleled precision in timing control applications within industrial environments. Its compact design, combined with a wide range of operating voltages and currents, ensures compatibility with various systems across diverse industries.

    Featuring an extensive time setting capability from 0.01 seconds to 9999 seconds, this relay allows for flexible integration into complex timing sequences. The high accuracy of +/- 0.1% ensures reliable performance under all conditions, making it ideal for critical timing tasks.

    Withstanding a broad temperature range, from -20°C to +55°C operational temperatures and -40°C to +85°C storage conditions, the CT-ARS.21S is built for robust performance even in challenging environments.

    This time relay boasts a sleek, space-saving footprint measuring 95mm x 45mm x 31mm, which makes it an excellent choice for applications where space is at a premium. Its lightweight design, approximately 65g, further enhances its practicality in mounting scenarios.

    For enhanced user experience, the CT-ARS.21S comes with intuitive adjustment knobs for easy calibration and settings changes. It is fully compliant with international safety standards, ensuring reliability and longevity in industrial automation setups.