ABB – CT-ARS.11S (1SVR730120R3100) – True OFF-Delay Timer, 24–240 VAC/DC, SPDT

The ABB CT‑ARS.S (P/N SVRR) is a single-function electronic off‑delay timer from the CT‑S series. With true delay‑on‑break operation and a broad – VAC/DC control voltage range, it’s ideal for applications needing reliable delayed shutdown—no auxiliary power required.

• Model / P/N: CT‑ARS.S (SVRR)  

• Timing Mode: Off‑delay (delay starts after control voltage drops)

• Supply Voltage: – V AC/DC (± %)  

• Time Range: . s to  min across selectable ranges via rotary switch  

• Adjustment: Fine potentiometer on the front for precise timing control  

• Outputs:  changeover (SPDT) relay contact –  A @  VAC (resistive),  A inductive  

• Terminal Type: Screw clamp, double-chamber cage connection or push-in version  

• LED Indicator: Green ‘U’ LED shows supply/timing status  

• Housing: . × . × . mm,  g, DIN rail mounted, UL‑ V‑ plastic, IP front, IP terminals  

• Durability: Mechanical life: million; Electrical life: , cycles  

• Certifications: UL , CSA C., GL, GOST, CCC, CE, RoHS; EMC per IEC/EN ‑‑/‑‑