Maintenance teams planning replacements for OPT-24DC-48DC-100 frequently review Phoenix SMPS, Phoenix 2982100 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches to prevent downtime, checking availability and compatibility with existing systems.
Phoenix OPT-24DC/ 48DC/100 Solid State Relay
The Phoenix OPT-24DC/ 48DC/100 Solid State Relay (Part No: 2966618 ) offers a 19.2 V DC ... 28.8 V DC input voltage range, 3 V DC ... 48 V DC output voltage range, 100 mA 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/ 48DC/100 |
Phoenix OPT-24DC/ 48DC/100 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 | 20 µs (at UN) |
| Typical turn-off time | 300 µs (at UN) |
| Transmission frequency | 300 Hz |
| Contact switching type | 1 N/O contact |
| Design of digital output | electronic |
| Output voltage range | 3 V DC ... 48 V DC |
| Limiting continuous current | 100 mA |
| Voltage drop at max. limiting continuous current | ≤ 1 V |
| Output circuit | 2-conductor, floating |
| Protective circuit | Reverse polarity protection |
| Width | 5 mm |
| Height | 28 mm |
| Depth | 15 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 |
Phoenix Contact introduces the OPT-24DC/48DC/100 (Part No: 2966618), a high-performance Single Solid-state Relay designed for fast, noise-free, and maintenance-free operation. This Phoenix 48V DC Mini Solid-state Relay enables reliable DC load switching in compact control panels where mechanical relays are unsuitable due to wear or noise. It operates with a nominal input voltage of 24 V DC and an input range between 19.2 V DC and 28.8 V DC, consuming just 7 mA. The relay supports an output voltage range of 3 V DC to 48 V DC with a limiting continuous current of 100 mA and a low voltage drop ≤ 1 V, ensuring energy-efficient performance and consistent output stability.
The OPT-24DC/48DC/100 is engineered with a floating 2-conductor output circuit and integrated reverse polarity protection for system safety. Built with basic insulation and tested at 2.5 kV between input and output, it conforms to IEC 60664 standards and Overvoltage Category III, providing robust electrical isolation. It achieves ultra-fast response times of 20 µs and turn-off times of 300 µs, supporting switching frequencies up to 300 Hz—ideal for high-speed signal control in digital or analog circuits. Measuring only 5 mm wide, 28 mm high, and 15 mm deep, it fits effortlessly into dense DIN rail panels. The RT III protection rating and ISA-S71.04 G3 harsh group classification further confirm its durability under industrial temperature, humidity, and corrosion conditions.
With a minimal power dissipation of 0.17 W and excellent thermal balance, the OPT-24DC/48DC/100 ensures long service life even in continuous operation. Its precision design, tested quality, and compact construction make it a reliable choice for system integrators, machine builders, and maintenance engineers seeking long-lasting and efficient switching performance from Phoenix Contact components.
The Phoenix Contact Single Solid-state Relay family, including the OPT-24DC/48DC/100, is widely applied in industrial control, instrumentation, and automation systems. It isolates low-level control signals and drives small DC loads with high precision, ensuring consistent response under varying voltage conditions. Engineers use it in alarm circuits, PLC output modules, and low-current actuator control, where compactness and fast operation are essential. Maintenance teams prefer this model for its plug-and-play installation, no-contact wear, and long-term electrical endurance. Its silent switching operation also makes it suitable for noise-sensitive environments such as laboratories, medical equipment panels, and testing setups. The OPT-24DC/48DC/100 represents the ideal combination of compact design, reliability, and high-speed electronic control in industrial applications.
The OPT-24DC/48DC/100 (Part No: 2966618) continues to be a trusted choice among automation professionals seeking dependable Single Solid-state Relay solutions. Engineers searching for opt-24dc-48dc-100-2966618, phoenix 2966618, phoenix contact 2966618, or opt-24dc/48dc/100 frequently select this model for its precision and long-term reliability. The advanced switching design ensures accurate, low-noise performance for control panels and embedded systems. Compact, efficient, and compliant with global standards, 2966618 Phoenix Contact delivers consistent results in demanding industrial automation environments, enhancing equipment uptime and reducing maintenance overhead.
