Why Choose the ABB DW1 Digital Time Switch?
The ABB DW1 is a compact and versatile single-channel digital weekly time switch designed for automatic control of lighting and other electrical loads according to programmed daily and weekly schedules. As part of the ABB DW digital time switch series, it combines flexible electronic scheduling with Bluetooth connectivity for convenient configuration in residential, commercial and industrial electrical installations.
The DW1 provides one independent switching channel with a change-over relay contact, allowing connected equipment to operate automatically according to predefined schedules. It supports weekly, daily, holiday, impulse, cycle and random programmes, providing flexible control for applications ranging from lighting to heating, ventilation and other building services.
Operating from a 230 V AC, 50/60 Hz supply, the DW1 provides a 16 A change-over relay output and stores up to 120 programme events. Bluetooth communication enables convenient programming using a compatible smartphone or tablet, while the replaceable backup battery retains settings during interruptions to the mains supply.
Key Advantages
- Flexible single-channel weekly digital time switch for automatic electrical load control.
- 16 A change-over relay output for controlling a wide range of electrical loads.
- Stores up to 120 programme events for comprehensive scheduling.
- Bluetooth connectivity enables convenient programming from compatible mobile devices.
- Supports weekly, holiday, impulse, cycle and random programme functions.
- Automatic summer/winter time changeover simplifies year-round operation.
- Compact 2-module DIN-rail design for installation in distribution boards and control panels.
Key Features
- ABB DW digital time switch series.
- One independent switching channel.
- Digital daily and weekly programming.
- 230 V AC, 50/60 Hz supply.
- 16 A / 250 V change-over relay output.
- Up to 120 programmable events.
- Minimum standard switching interval of 1 minute.
- Impulse programming with 1 second resolution.
- Bluetooth BLE interface for smartphone and tablet configuration.
- Replaceable CR2032 lithium backup battery.
- Backlit LCD display for programming and status indication.
- Manual operation and external push-button input.
- Compact 2-module DIN-rail mounting format.
Flexible Weekly Time Control
The ABB DW1 provides precise automatic control of electrical equipment using programmable daily and weekly schedules. Connected loads can be switched at predetermined times without manual intervention, helping optimise operating schedules, reduce unnecessary energy consumption and provide consistent control of building services and electrical equipment.
Bluetooth connectivity simplifies commissioning and subsequent programme changes by allowing schedules and settings to be created on a compatible mobile device and transferred to the time switch. Its replaceable backup battery preserves programming during mains interruptions, helping maintain dependable scheduled operation.
Typical Applications
- Commercial and residential lighting control.
- Shop windows and illuminated advertising signs.
- Heating and ventilation equipment.
- Irrigation and fountain control systems.
- Office and public building services.
- Industrial auxiliary equipment and control circuits.
- Electrical loads requiring scheduled daily or weekly operation.
