Maintenance teams planning replacements for AT8SDN frequently review Autonics Proximity Sensor, Autonics Timers and Autonics Atm4 51S to prevent downtime, checking availability and compatibility with existing systems.
Autonics AT8SDN Star-Delta Analog Timer
AT8SDN is an Autonics Star-Delta Analog Timer operating on wide AC/DC supply with star-delta output for industrial automation applications. Manufactured by Autonics, this timer is categorized under the Autonics Timer range and belongs to the AT8SDN Series, supporting star-delta output operation, a 0.5 to 100 seconds setting range, 8-pin plug terminal, and separate SPST star and delta contacts.
| Brand | Autonics |
| Product Type | Timer |
| Model Number | AT8SDN |
Autonics AT8SDN Star-Delta Analog Timer – Technical Specifications
| Specification | Value |
|---|---|
| Operation method | Time setting |
| Output Operation | STAR-DELTA |
| Time operation | POWER ON START |
| Terminal | 8-pin plug |
| Power supply | 100-240VAC~, 24-240VDC |
| Setting range | 0.5 to 5 sec, 1 to 10 sec, 5 to 50 sec, 10 to 100 sec |
| Control output | STAR contact: SPST (1a): 1, DELTA contact: SPST (1a): 1 |
| Accessories | Bracket |
| Environment_Ambient temperature | -10 to 55℃, storage: -25 to 65℃ |
| Environment_Ambient humidity | 35 to 85%RH |
| Weight | Approx. 90g |
The Autonics AT8SDN Star-Delta Analog Timers is a timing control device designed for star-delta motor starting sequences in industrial automation systems. This AT8SDN Autonics Star-Delta Analog Timers operates using 100–240VAC and 24–240VDC power supply and follows power on start timing logic. It supports star-delta output operation and provides selectable timing ranges from 0.5 to 100 seconds. The unit belongs to the AT8SDN Series and is used for controlled motor transition timing.
In industrial automation environments, the AT8SDN Autonics Star-Delta Analog Timers is applied in conveyors, pumps, compressors, packaging machinery, and motor-driven assemblies. It enables controlled switching between star and delta connections, reducing electrical stress during motor startup. The defined timing ranges allow accurate adjustment for different motor capacities, while separate output contacts support stable and predictable control during repeated industrial operations.
The AT8SDN Autonics Star-Delta Analog Timers delivers reliable star-delta timing performance based on clearly defined electrical specifications. With wide AC/DC power compatibility, standardized plug-in terminals, and consistent output behavior, it supports long-term use in industrial motor control systems. As part of the AT8SDN Series, this timer is suitable for applications requiring dependable star-delta transition control in demanding automation environments.
