ABB – 1SVR730180R3100 – CT‑APS.12S OFF‑Delay Timer Relay, 24–240 VAC/DC

The ABB 1SVR730180R3100 (CT‑APS.12S) is a single-function electronic off-delay timer from ABB’s CT-S range, offering reliable delay-on-break timing (OFF-delay) across 10 selectable time ranges from 0.05 s to 300 h. It supports universal control supply voltage and features a versatile SPDT output—ideal for automation, lighting control, and timing sequences in industrial panels.

Key Features:

• Model / Part #: CT‑APS.12S / 1SVR730180R3100  

• Control Voltage: 24–48 VDC or 24–240 VAC (50/60 Hz)  

• Timing Range: 0.05 s to 300 h in 10 accurately selectable ranges  

• Output Contact: 1 SPDT (C/O), 4 A at 250 VAC  

• Terminals: Screw-type double-chamber cage, tool-free DIN-rail mounting, 22.5 mm width  

• Indication: 2 LED status indicators

• Mounting: Tool-free on IEC-rail, housing rated IP50/IP20

• Operating Temperature: –25 °C to +60 °C  

• Certifications: UL 508, CSA, GL, GOST, CB, CCC, CE; impulse withstand 4 kV