Maintenance teams planning replacements for FL-SWITCH-2303-8SP1 frequently review SMPS Phoenix, Fl Switch 2208 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches to prevent downtime, checking availability and compatibility with existing systems.
Phoenix FL SWITCH 2303-8SP1 Industrial Ethernet Switches
The Phoenix FL SWITCH 2303-8SP1 Power Supply (Part No: 1278397 ) offers a Push-in spring connection method, 10 Mbps (full duplex) transmission speed, 20 V DC ... 32 V DC supply voltage range, IP20 degree of protection. Manufactured by Phoenix under the Phoenix Industrial Ethernet Switches category, this model belongs to the Phoenix FL Series.

| Brand | Phoenix Contact |
| Product Type | Industrial Ethernet switches |
| Model Number | FL SWITCH 2303-8SP1 |
Phoenix FL SWITCH 2303-8SP1 Industrial Ethernet Switches
| Specification | Value |
|---|---|
| Width | 45 mm |
| Height | 130 mm |
| Depth | 119 mm |
| Housing material | Polycarbonate fiber reinforced |
| Mounting type | DIN rail mounting |
| Connection method | Push-in spring connection |
| Transmission speed | 10 Mbps (full duplex) |
| Transmission length | 1000 m (per segment) |
| Signal LEDs | Data receive, link status |
| No. of channels | 8 (SPE ports) |
| Product type | Switch |
| MTTF | 185.12 Years (SN 29500 standard, temperature 25°C, operating cycle 21%) |
| Article revision | 2 |
| Supply voltage (DC) | 24 V DC (Simultaneous PoDL supply according to IEEE 802.3cg) |
| Supply voltage range | 20 V DC ... 32 V DC |
| Power supply connection | via COMBICON, max. conductor cross section 1.5 mm² |
| Max. current consumption | 2.3 A (US = Min, Tamb = Max, SPE = 8x max. PoDL power, 100% data traffic on all connected ports) |
| Typical current consumption | 1.03 A (at US = Nom, Tamb = 25°C, SPE = 4x max. PoDL power, 100% data traffic at all connected ports) |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 70 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Permissible humidity (operation) | 10 % ... 95 % (non-condensing) |
| Permissible humidity (storage/transport) | 10 % ... 95 % (non-condensing) |
| Electromagnetic compatibility | Conformance with EMC Directive 2014/30/EU |
| Noise emission | EN 61000-6-4 |
| Status display | LEDs: US1, US2 (power supply), Fail (alarm contact), 2 LEDs per Ethernet port (Link/Activity and Speed) |
| Shock (operation) | 30g (EN 60068-2-27) |
| Vibration (operation) | in acc. with IEC 60068-2-6: 5g, 150 Hz |
Phoenix Contact introduces the advanced FL SWITCH 2303-8SP1 (Part No: 1278397), a durable Industrial Ethernet Switch engineered to support modern automation networks. This Phoenix 3 RJ45 ports Managed Switch is designed for reliable data exchange with 3 RJ45 ports and 8 SPE ports, ensuring consistent network performance across multiple field devices. Built with a polycarbonate fiber-reinforced housing, it offers excellent resistance to shock, vibration, and harsh environmental factors while maintaining long service life.
Operating on a 24 V DC power input, with a voltage range of 20 V to 32 V, the FL SWITCH 2303-8SP1 provides stable operation even in variable power conditions. It supports data and power transmission simultaneously according to IEEE 802.3cg PoDL standards, simplifying cabling and installation efforts. The device handles full-duplex communication at 10 Mbps with a maximum transmission distance of 1000 meters per segment, ideal for large-scale automation systems. Its typical current consumption of 1.03 A and MTTF of 185.12 years (SN 29500 standard) demonstrate long-term efficiency and dependability. Equipped with DIN rail mounting and a Push-in spring connection, it ensures quick installation, secure connectivity, and reduced downtime. The IP20-rated housing, coupled with operating temperature support between -40°C to 70°C, makes it dependable for manufacturing, processing, and utility applications.
Engineers trust this model for its precision design, compliance with EMC Directive 2014/30/EU, and strong network diagnostic features including LEDs for power, link, and activity. The FL SWITCH 2303-8SP1 demonstrates Phoenix Contact’s commitment to delivering high-performance Ethernet solutions that maintain stable communication even in demanding industrial environments.
The Phoenix Contact Industrial Ethernet Switches like the FL SWITCH 2303-8SP1 are widely used across control panels, machine automation systems, and process industries. They connect PLCs, drives, HMIs, and sensors into unified communication networks that ensure accurate data exchange and operational safety. Maintenance engineers prefer this model because of its strong design, easy DIN mounting, and stable network recovery after power interruptions. It is ideal for long-distance signal transmission in distributed I/O systems, ensuring uninterrupted connectivity in high-vibration zones and temperature-critical environments. Engineering students can also reference this model to study modern industrial Ethernet architecture and understand how managed switches enable secure, deterministic communication in Industry 4.0 frameworks.
The FL SWITCH 2303-8SP1 (Part No: 1278397) remains one of the most reliable Industrial Ethernet Switches from Phoenix Contact. Many engineers search for terms such as fl-switch-2303-8sp1-1278397, fl switch 2303-8sp1, and phoenix 1278397 when sourcing components for automation projects. This model delivers exceptional efficiency with simplified power and data management, long service life, and global compatibility. The FL SWITCH design provides durable network performance for modern industrial systems, making 1278397 Phoenix one of the most trusted identifiers among professionals specifying Ethernet devices in their procurement lists.







