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Phoenix PLC-OPT- 48DC/ 48DC/100 Solid State Relay Module
The Phoenix PLC-OPT- 48DC/ 48DC/100 Solid State Relay Module (Part No: 2900353 ) offers a 48 V DCnominal input voltage UN, 38.4 V DC ... 57.6 V DC input voltage range, 1 N/O contact contact switching type, electronic design of digital output. Manufactured by Phoenix under the Phoenix Solid State Relay Module category, this model belongs to the Phoenix PLC Series.
| Brand | Phoenix Contact |
| Product Type | Solid state relay Module |
| Model Number | PLC-OPT- 48DC/ 48DC/100 |
Phoenix PLC-OPT- 48DC/ 48DC/100 Solid State Relay Module – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Solid-state relay module |
| Product family | PLC-INTERFACE |
| Application | Universal |
| Overvoltage category | III |
| Maximum power dissipation for nominal condition | 0.43 W |
| Test voltage (Input/output) | 2.5 kV (50 Hz, 1 min., input/output) |
| Nominal input voltage UN | 48 V DC |
| Nominal voltage (plugged-in solid-state relay) | 24 V DC |
| Input voltage range in reference to UN | 0.8 ... 1.2 |
| Input voltage range | 38.4 V DC ... 57.6 V DC |
| Switching threshold "0" signal in reference to UN | ≤ 0.3 |
| Switching threshold "1" signal in reference to UN | ≥ 0.8 |
| Typical input current at UN | 9 mA |
| Typical response time | 30 µs (at UN) |
| Typical turn-off time | 300 µs (at UN) |
| Operating voltage display | Yellow LED |
| Protective circuit | Reverse polarity protection; Polarity protection diode |
| Transmission frequency | 300 Hz |
| Contact switching type | 1 N/O contact |
| Design of digital output | electronic |
| Contact connection type | Signal contact |
| Output voltage range | 3 V DC ... 48 V DC |
| Limiting continuous current | 100 mA |
| Maximum inrush current | - |
| Voltage drop at max. limiting continuous current | ≤ 1 V |
| Output circuit | 2-conductor, floating |
| Connection method | Push-in connection |
| Stripping length | 10 mm |
| Screw thread | - |
| Tightening torque | - |
| Width | 6.2 mm |
| Height | 80 mm |
| Depth | 94 mm |
| Color | gray (RAL 7042) |
| Ambient temperature (storage/transport) | -25 °C ... 70 °C |
| Temperature | D |
| Humidity | A |
| Vibration | B/C |
| EMC | B |
| Enclosure | Required protection according to the Rules shall be provided upon installation on board |
| Mounting Type | DIN rail mounting |
| Mounting Position | any |
| Degree of Protection Relay | - |
| Housing Material | - |
| Output Resistor | - |
The Phoenix Contact PLC-OPT- 48DC/48DC/100 belongs to the trusted PLC-INTERFACE product family and is engineered for universal applications in automation control. With a nominal input voltage of 48 V DC and an input voltage range of 38.4 V DC to 57.6 V DC, it ensures reliable performance across fluctuating conditions. It features a 2-conductor floating output circuit and an electronic 1 N/O contact, making it ideal for noise-free signal transmission. The push-in terminal design simplifies wiring and speeds up installation time, especially in high-density panels. This miniature relay module boasts a typical input current of 9 mA, an ultra-fast response time of 30 µs, and turn-off time of 300 µs, making it suitable for high-speed applications. Designed for safe operation, it includes reverse polarity protection, an integrated yellow LED for status indication, and supports DIN rail mounting in any position. The slim 6.2 mm housing width optimizes space, while operation within -25°C to 70°C ensures durability in industrial environments. Compliance with Overvoltage Category III, EMC, and vibration resistance standards reinforces its robustness and long-term reliability in mission-critical setups.
This solid-state relay is an excellent fit for projects involving sensor-actuator control, machine signal isolation, and high-frequency switching tasks. Whether you're managing complex PLC systems or upgrading legacy control panels, this module offers consistent performance, secure electrical isolation, and efficient power handling. It is especially preferred by OEMs, panel builders, and automation contractors who value reliability, easy integration, and long service life in demanding industrial settings.
