Selec XT546A Digital Timer
The Selec XT546A Digital Timer offers 2 C/O SPDT relay contact with multiple timing ranges and 90 to 270 VAC/DC supply voltage in a compact panel design. Manufactured by Selec under the Selec Digital Timers category, this model belongs to the Selec XT Series. It supports down/up counting direction, provides ON delay, interval, cyclic ON first, and cyclic OFF first modes, and features a 48 × 48 mm panel-mount enclosure suitable for industrial automation.

| Brand | Selec |
| Product Type | Digital Timers |
| Model Number | XT546A |
Selec XT546A Digital Timer – Technical Specifications
| Specification | Value |
|---|---|
| Display Type | 3 Digits, 7 Segment LED, Single White Display |
| Relay Contact | 2 C/O SPDT |
| Range | 9.99 / 99.9 / 999sec, 9:59 min:sec , 99.9 / 0 - 999min, 9:59 hr:min, 99.9hr / 0 - 999hr |
| Operation Modes | ON Delay, Interval, Cyclic ON First, Cyclic OFF First |
| Accuracy | ±0.5% or 50msec ( whichever is greater) |
| Feature | Memory Retention |
| Reset | Front, Remote, Power Interruption |
| Counting Direction | Down/ Up |
| Supply Voltage | 90 to 270 VAC/ DC |
| Size | 48 x 48mm |
| Certification | CE |
The Selec XT546A Digital Timer is a reliable timing controller designed for industrial automation, offering multiple timing ranges, ON delay and interval modes, cyclic ON/OFF functions, and 2 C/O SPDT relay contacts. As part of the XT Series, this Selec model supports down and up counting functions and fits standard panel-mount applications across automation environments.
This timer is used in conveyors, packaging lines, assembly operations, and general automation control where consistent timing cycles are needed. Its wide 90–270 VAC/DC operating voltage ensures compatibility with various panels, while stable cyclic modes help maintain repeatable timing outputs. Engineers prefer this model for dependable operation in sequencing, delay logic, and process timing tasks.
The Selec XT546A digital timer provides a practical set of timing functions and counting modes suitable for industrial control use. With its solid relay output design, flexible timing ranges, and compact 48×48 mm panel mount size, the device integrates smoothly into machinery and automation systems. The Selec brand and XT Series reinforce its reliability for consistent cycle control and long-term service in demanding environments.







