If youβre not fully sure about ATM4-21S, taking a closer look at Autonics Proximity Sensor, Autonics Digital Counter and Autonics Timers often helps compare reliability, cost, and availability.
Autonics ATM4-21S Timer
The Autonics ATM4-21S Timer offers Time setting operation method, POWER ON START time operation, 14-pin plug terminal, 24VDC power supply. Manufactured by Autonics under the Autonics Timers category, this model belongs to the Autonics ATM Series.

| Brand | Autonics |
| Product Type | Timer |
| Model Number | ATM4-21S |
Autonics ATM4-21S Timer β Technical Specifications
| Specification | Value |
|---|---|
| Operation method | Time setting |
| Output Operation | POWER ON DELAY |
| Time operation | POWER ON START |
| Terminal | 14-pin plug |
| Power supply | 24VDC |
| Setting range | 0.1 to 1 sec |
| Control output | SPDT (1c): 4 |
| Environment_Ambient temperature | -10 to 50β, storage: -25 to 65β |
| Environment_Ambient humidity | 35 to 85%RH |
| Weight | Approx. 48g (approx. 42g) |
IndMALL Automation Dealing offers Miniature Analog Timers ATM4-21S at unbeatable prices. The Main Technical Parameters of ATM4-21S are operation method features a POWER ON DELAY function, activating upon power application. The time operation is POWER ON START, ensuring reliable switching. The Time setting range spans 0.1 to 1 sec, which is suitable for precision applications. The terminal type is an 14-pin plug for secure connections. The power supply operates at 24VDC, ensuring stable performance. The control output is SPDT (1c): 4, optimizing switching functionality. It operates efficiently in an ambient temperature range of -10 to 50β, storage: -25 to 65β. The ambient humidity tolerance is 35 to 85%RH, enhancing longevity in diverse environments. Take the First Step with a Quote for your requirement of Miniature Analog Timers. Choose us for unparalleled pricing and support over other Dealers & Distributors.







