Siemens ECOFAST SRSSTE 3RK1303-6BS74-3AA3 Electronic Switch
Siemens 3RK1303-6BS74-3AA3 ECOFAST SRSSTE with Profibus DP, 4DI/1BO.
The Siemens 3RK1303-6BS74-3AA3 is an ECOFAST SRSSTE electronic switching device. It features 4 digital inputs (DI) and 1 digital output (BO), and is equipped with PROFIBUS DP communication. This unit offers electronic and thermal overload protection for AC-3 applications up to 1.1 kW at 400V, with an adjustable current range of 0.30 A to 3.00 A. It also includes a break contact rated for AC 400V / 0.75A and connects via Han Q4/2 - Han 10E with touch protection.
This device is ideal for motor control applications in industrial automation, machine building, and conveyor systems where integrated protection and communication capabilities are required. The PROFIBUS DP interface allows for seamless integration into distributed control systems.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RK1303-6BS74-3AA3. Sourcing this ECOFAST SRSSTE from Stanlo provides a reliable and cost-effective solution for your motor control and automation needs.
| Part Number | 3RK1303-6BS74-3AA3 |
| Manufacturer | Siemens |
| Series | ECOFAST SRSSTE |
| Type | Electronic Switching Device |
| Inputs | 4 DI (24V DC) |
| Output | 1 BO |
| Communication | PROFIBUS DP |
| Overload Protection | Electronic/Thermal, AC-3 up to 1.1kW/400V |
| Current Range | 0.30 A...3.00 A |
| Break Contact | AC 400V/0.75A |
| Connection | Han Q4/2 - Han 10E |