Autonics SR1-1440-N Solid State Relay
The SR1-1440-N Autonics Single-Phase Solid State Relays provide 40A rated load current, 48-480VAC load voltage, and reliable switching performance. SR1-1440-N is an Autonics Single-Phase Solid State Relays model from the Autonics portfolio, available within the Autonics Solid State Relay range and the SR1 Series. It features 4-30VDC rated input voltage, zero cross turn-on, panel mounting, and 2500VAC dielectric strength.

| Brand | Autonics |
| Product Type | Solid State Relay |
| Model Number | SR1-1440-N |
Autonics SR1-1440-N Solid State Relay – Technical Specifications
| Specification | Value |
|---|---|
| Control phase | Single-phase |
| Mounting type | Panel |
| Rated input voltage | 4-30VDC |
| Rated load voltage | 48-480VAC~ |
| Dielectric strength | 2500VAC~ 50/60Hz 1 min (Input-Output, Input/Output-Case) |
| Rated load current | 40A |
| Function | Zero cross turn-on |
| Environment_Ambient temperature | -30 to 80℃, storage: -30 to 100℃(The rated load current capacity is different depending on ambient temperature. Refer to '▣ SSR Derating Curve'.) |
| Environment_Ambient humidity | 45 to 85% RH, storage: 45 to 85% RH |
| Weight | Approx. 111g(approx. 73g) |
The SR1-1440-N Autonics Single-Phase Solid State Relays is a solid-state switching device designed for industrial automation applications requiring dependable load control. The SR1-1440-N belongs to the SR1 Series and operates with 4-30VDC rated input voltage, 48-480VAC load voltage, 40A rated load current, and zero cross turn-on functionality. This model is suitable for systems where stable switching performance and electrical isolation are important. Autonics manufactures the SR1 Series to support industrial control panels, machinery, and automated production equipment.
The SR1-1440-N is commonly used in conveyor systems, packaging machines, assembly lines, temperature control systems, and factory automation equipment. Its single-phase design allows efficient switching of AC loads without mechanical contacts. Engineers use this relay to improve operational stability, reduce maintenance requirements, and achieve consistent control performance in industrial environments. The panel-mounted construction also helps simplify integration into electrical control cabinets and automation panels.
SR1-1440-N Autonics Single-Phase Solid State Relays provides reliable operation through its single-phase control architecture and robust electrical specifications. With support for 48-480VAC loads, 40A switching capacity, and zero cross turn-on operation, it is well suited for industrial control applications. Autonics is widely recognized in industrial automation, and the SR1 Series is commonly selected for dependable switching tasks. The SR1-1440-N remains a practical choice for engineers seeking consistent performance, electrical durability, and reliable operation in demanding industrial environments.




