Selec TS1W1-1-20A Wall Mount Daily/Weekly Time Switch
Selec TS1W1-1-20A Weekly Time Switch (Wall Mount, 20A, 230V AC)
A 20A weekly programmable time switch with 50 ON/OFF steps, LCD display, holiday programming, and 10-year battery backup for reliable automation in lighting, HVAC, and industrial loads.
The Selec TS1W1-1-20A is a weekly programmable time switch designed for reliable automation of lighting, HVAC, and electrical loads. With a 20A relay output, 50 ON/OFF steps, holiday scheduling, and a long-life internal battery, it is ideal for commercial, residential, and industrial timing applications.
Key Features
50 ON/OFF steps per week with flexible program grouping.
LCD display showing time, program number, relay status & mode.
10-year lithium battery for RTC backup.
1 NO relay output rated 20A at 250V AC.
Holiday override for up to 16 dates.
Auto/Manual/Permanent ON/Permanent OFF modes.
12-hour (AM/PM) or 24-hour clock format selection.
High EMC immunity—meets IEC 61000-4-2/3/4/5/6/11 standards.
Wall-mount compact design (60×60 mm).
230V AC supply with only 9W consumption.
Technical Specifications
| Specification | Details |
|---|---|
| Operation Period | Weekly program |
| ON/OFF Steps | Total 50 ON and 50 OFF steps (max 8 programs) |
| Holiday Settings | 16 Dates |
| Display | LCD, 6 digits (time), 2 digits (step no.) |
| Relay Output | 1 NO + Neutral |
| Relay Rating | 20A @ 250V AC |
| Clock Format | 12-hour / 24-hour |
| RTC Accuracy | ±15 mins/year @ 25°C |
| Supply Voltage | 230V AC ±10%, 50/60 Hz |
| Power Consumption | Approx. 9 W (at V AC) |
| Mounting | Wall Mount |
| Operating Temp. | 0°C to 50°C |
| Storage Temp. | −20°C to 70°C |
| Humidity | Up to 95% RH (non-condensing) |
| Battery Backup | 10-year lithium battery |
| Standards Compliance | IEC 61000-4 series, CISPR-11/22, IEC 61326-1, IEC 61010-1 |
Applications
Commercial lighting automation
HVAC & air-handling systems
Industrial timers for process control
Signage & outdoor lighting
Pump and motor scheduling
School/office electrical automation
What’s in the Box?
Selec TS1W1-1-20A Time Switch
Mounting screws
User manual
FAQ
Q1. Can this timer handle inductive loads like motors?
Yes, up to 20A at 250V AC. For heavy motors, use an external contactor.
Q2. Does it retain time during power failure?
Yes, it features a 10-year lithium battery RTC backup.
Q3. How many weekly programs can be set?
Up to 50 ON and 50 OFF steps in various group combinations.
Q4. Is holiday mode programmable?
Yes, you can program 16 holiday dates.
Q5. Does it support both 12-hour and 24-hour formats?
Yes, selectable from the user menu.