In sourcing discussions, OPT-24DC-230AC-2 is often placed next to Phoenix SMPS, Phoenix 2982100 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches so procurement teams can align budgets and technical requirements effectively.
Phoenix OPT-24DC/230AC/ 2 Solid State Relay
The Phoenix OPT-24DC/230AC/ 2 Solid State Relay (Part No: 2982171 ) offers a 19.2 V DC ... 28.8 V DC input voltage range, 24 V AC ... 253 V AC output voltage range, 2 A (see derating curve) limiting continuous current, RT III Degree of protection. Manufactured by Phoenix under the Phoenix Solid State Relay category, this model belongs to the Phoenix OPT Series.
| Brand | Phoenix Contact |
| Product Type | Single Solid State Relay |
| Model Number | OPT-24DC/230AC/ 2 |
Phoenix OPT-24DC/230AC/ 2 Solid State Relay – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Solid State Relay |
| Insulation | Basic insulation |
| Overvoltage category | III |
| Maximum power dissipation for nominal condition | 0.17 W |
| Test voltage (Input/output) | 2.5 kV (50 Hz, 1 min., input/output) |
| Nominal input voltage UN | 24 V DC |
| Input voltage range in reference to UN | 0.8 ... 1.2 |
| Input voltage range | 19.2 V DC ... 28.8 V DC |
| Typical input current at UN | 7 mA |
| Typical response time | 10 ms |
| Typical turn-off time | 10 ms |
| Transmission frequency | 10 Hz |
| Contact switching type | 1 N/O contact |
| Design of digital output | electronic |
| Output voltage range | 24 V AC ... 253 V AC |
| Limiting continuous current | 2 A (see derating curve) |
| Maximum inrush current | 30 A (10 ms) |
| Voltage drop at max. limiting continuous current | ≤ 1 V |
| Output circuit | 2-conductor floating, zero voltage switch |
| Protective circuit | Surge protection; RC element |
| Width | 12.7 mm |
| Height | 29 mm |
| Depth | 15.7 mm |
| Color | black (RAL 9005) |
| Degree of protection | RT III |
| Ambient temperature (operation) | -25 °C ... 60 °C |
| Ambient temperature (storage/transport) | -25 °C ... 70 °C |
| Identification | ISA-S71.04. G3 Harsh Group |
| Standards/regulations | IEC 60664 |
| Mounting position | any |
| Rated insulation voltage | 250 V AC |
| Output nominal voltage | 230 V AC |
| Min. load current | 25 mA |
| Leakage current | typ. 1 mA |
| Surge current | 30 A (10 ms) |
| Max. load value | 4 A2s (tp = 10 ms, at 25 °C) |
The Phoenix OPT-24DC/230AC/2 (Part No. 2982171) is a compact Single Solid-state Relay with a 24 V DC input range of 19.2–28.8 V DC and a switching output range of 24–253 V AC. With a continuous current rating of 2 A and a 30 A inrush current (10 ms), it ensures stable and fast switching for motors, heaters, and inductive loads. Its zero-voltage switch design reduces electrical noise and prolongs system life.
Designed with RC snubber and surge protection, the OPT-24DC/230AC/2 prevents voltage spikes and supports high-frequency switching with a typical response time of 10 ms. Its slim 12.7 mm housing fits densely populated panels, and the RT III-rated enclosure withstands harsh, high-humidity environments. Ideal for HVAC systems, PLC-driven actuators, and resistive heating circuits, this Phoenix relay guarantees durability and safety. Learn more at the Phoenix Relay or browse all models at Phoenix Contact.
The OPT-24DC/230AC/2 is widely used in automation environments requiring fast, contactless switching—such as PLC-controlled circuits, resistive heater banks, actuator solenoids, and low-noise applications like test rigs or HVAC panels. Its fast switching (10 ms ON/OFF) helps eliminate arcing and mechanical wear, extending lifespan compared to electromechanical relays. Maintenance teams benefit from its compact footprint and reliable thermal stability, especially in cabinets with tight spacing or high ambient heat. Engineering students and junior technicians can clearly understand its function due to the relay’s simplicity and visual feedback, while industrial users appreciate the longevity and minimal failure points. If you require high-speed AC switching with long service life and compact design, the Phoenix OPT-24DC/230AC/2 offers exceptional value in real-world applications.
