During technical comparisons, SR2-1440 appears alongside Autonics Proximity Sensor, Autonics Digital Counter and Autonics Srh3 1440 so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Autonics SR2-1440 Solid State Relay
The Autonics SR2-1440 Solid State Relay offers 2-Phase control, Panel Mounting type, 4-30VDC input voltage, 48-480VAC~ load voltage. Manufactured by Autonics under the Autonics Solid State Relay category, this model belongs to the Autonics SR Series.
| Brand | Autonics |
| Product Type | Solid State Relay |
| Model Number | SR2-1440 |
Autonics SR2-1440 Solid State Relay β Technical Specifications
| Specification | Value |
|---|---|
| Control phase | 2-Phase |
| Mounting type | Panel |
| Rated input voltage | 4-30VDC |
| Rated load voltage | 48-480VAC~ |
| Dielectric strength | 4,000VAC~ |
| Rated load current | 40A |
| Function | Zero cross turn-on |
| Environment_Ambient temperature | -30 to 80β(in case of the rated input voltage 90-240VAC~: -30 to 70β), Storage: -30 to 100β( The rated load current capacity is different depending on ambient temperature. Refer to 'β£ SSR Derating Curve'.) |
| Environment_Ambient humidity | 45 to 85% RH, storage: 45 to 85% RH |
| Weight | approx. 365g(approx. 275g) |
The Autonics SR2-1440 Solid State Relay is engineered as a 2-Phase SSR Detachable Heatsink Type built for safe and efficient power control in automation projects. It operates with a rated input voltage of 4β30VDC and a wide load voltage range of 48β480VAC, ensuring flexibility across multiple applications. With a 40A rated load current, this relay can manage demanding loads, while its zero-cross turn-on function minimizes electrical noise and extends equipment life. A dielectric strength of 4,000VAC guarantees insulation safety, and its compact 365g design ensures durability without adding bulk. Panel mounting simplifies installation in control cabinets, while reliable performance from β30β to +80β and tolerance to 45β85% RH humidity makes SR2-1440 dependable in harsh environments. These specifications highlight why Autonics is trusted by engineers for durable and efficient power switching solutions.
In use, the SR2 1440 Autonics is applied in heater control, two-phase motor management, and industrial power distribution systems. Its contactless switching reduces wear and extends service intervals, making it valuable for maintenance teams aiming to minimize downtime. Engineers appreciate its ease of panel mounting, while OEMs use it to standardize designs across machinery. From packaging plants to heavy-duty manufacturing lines, the Autonics SR2 1440 provides consistent safety, efficiency, and long-term stability. Procurement teams often secure SR2-1440 through wholesalers, dealers, and distributors to maintain steady supply and project continuity.
The Autonics SR2-1440 is a core part of the Autonics SR2 Series, designed to deliver reliable two-phase control with detachable heatsink performance. Engineers frequently search using SR2-1440, Autonics SR2 1440, and SR2 1440 Autonics when evaluating relays for efficiency and durability in industrial automation. With superior insulation strength, stable 40A load handling, and compact design, this model supports precise control in diverse operating environments. By aligning technical accuracy with real application needs, the SR2-1440 strengthens trust in the SR2 Series and remains a dependable solution for safe and stable automation.
