Phoenix OPT Series: Miniature Solid-State Relays & Optocouplers - Selection Guide
Product Overview
The Phoenix OPT Series comprises miniature solid-state relays and optocouplers designed for safe, reliable signal isolation and switching in industrial automation systems. These compact DIN-rail mountable modules provide electrical isolation (up to 2kV) between control and load circuits, protecting sensitive equipment from voltage spikes and interference. With multiple voltage compatibility options (5V/24V/48V/60V DC input; 24V/48V DC or 230V AC output) and current ratings (2-100mA), the series supports diverse industrial applications requiring secure signal transmission between different voltage domains. Ideal for PLC interfaces, control cabinets, and automation setups where space is limited but reliability is critical.
Model Quick Reference Table
| Model No. | Product Name | Input Voltage | Output Voltage | Rated Current | Core Features | Application Scenarios |
|---|---|---|---|---|---|---|
| 2966621 | OPT-60DC/48DC/100 | 54-66V DC | 3-48V DC | 100mA | High-input voltage isolation | Industrial equipment control with high-voltage signals |
| 2967963 | OPT-60DC/230AC/1 | 54-66V DC | 24-253V AC | 1A | DC-to-AC switching, high load capacity | Powering AC devices from DC control signals |
| 2966605 | OPT-60DC/24DC/2 | 54-66V DC | 3-24V DC | 2A | High-voltage input, low-voltage high-current output | Industrial automation with high-voltage control |
| 2966618 | OPT-24DC/48DC/100 | 19.2-28.8V DC | 3-48V DC | 100mA | Standard 24V DC control, 48V DC load | General-purpose PLC interface |
| 2982100 | OPT-24DC/24DC/5 | 19.2-28.8V DC | 3-24V DC | 5A | High-current capability (5A), compact design | Direct control of solenoids, motors, and valves |
| 2966595 | OPT-24DC/24DC/2 | 19.2-28.8V DC | 3-24V DC | 2A | Standard 24V DC interface, 2A capacity | General industrial control, sensors, and actuators |
| 2982171 | OPT-24DC/230AC/2 | 19.2-28.8V DC | 24-253V AC | 2A | DC-to-AC conversion, industrial-grade | Powering AC equipment from PLC outputs |
| 2967950 | OPT-24DC/230AC/1 | 19.2-28.8V DC | 24-253V AC | 1A | Compact AC switching, standard 24V DC control | Small AC loads in automation systems |
| 2982113 | OPT-5DC/24DC/5 | 4-6V DC | 3-24V DC | 5A | Low-voltage input, high-current output | Microcontroller/PLC to industrial load interface |
| 2967992 | OPT-5DC/48DC/100 | 4-6V DC | 3-48V DC | 100mA | Low-voltage control, isolated 48V DC output | Sensor signal isolation for industrial networks |
| 2967989 | OPT-5DC/24DC/2 | 4-6V DC | 3-24V DC | 2A | Low-voltage interface, standard 24V DC output | Connecting low-voltage devices to industrial control systems |
Core Technical Specifications (Universal)
| Parameter | Value | Notes |
|---|---|---|
| Isolation Voltage | 2kV (input-output) | Prevents electrical noise transmission and protects equipment |
| Operating Temperature | -25°C to +60°C (standard); -25°C to +70°C (certain models) | Suitable for harsh industrial environments |
| Mounting Type | 35mm DIN rail (NS 35/7.5) | Easy installation in control cabinets |
| Protection Class | IP20 (module), RT III (wash-proof) | Dust protection, suitable for industrial environments |
| Response Time | <10ms (standard); <1ms (fast models) | Ensures rapid signal transmission |
| Contact Configuration | 1 Form A (NO) contact | Single-channel switching capability |
| Input Circuit | LED indicator (most models) | Visual confirmation of operation status |
| Connection Method | Spring clamp/push-in terminals | Secure wiring with minimal tools |
| Certifications | CE, UL, CSA, IEC 60664 | Global compliance for industrial applications |
| Dimensions | 29mm × 29mm × 60mm (typical) | Compact design for space-constrained applications |
Application Scenarios & Recommended Models
1. PLC-to-Field Device Interface
- Requirement: Connect PLC outputs to industrial actuators (solenoids, valves, motors)
- Recommended Models: 2982100 (OPT-24DC/24DC/5, 5A), 2966605 (OPT-60DC/24DC/2)
- Key Reason: Isolation prevents PLC damage from field device voltage spikes; high current capacity (5A) supports direct actuator control
2. Signal Isolation & Level Conversion
- Requirement: Transfer signals between different voltage domains (e.g., 5V logic to 24V industrial)
- Recommended Models: 2967992 (OPT-5DC/48DC/100), 2966618 (OPT-24DC/48DC/100)
- Key Reason: Electrical isolation (2kV) eliminates ground loops and noise; voltage conversion enables cross-domain communication
3. High-Voltage Control Applications
- Requirement: Control high-voltage equipment from low-voltage control systems
- Recommended Models: 2967963 (OPT-60DC/230AC/1, AC output), 2966621 (OPT-60DC/48DC/100, DC output)
- Key Reason: Handles high input (60V DC) or output (230V AC) voltages while maintaining low-voltage control compatibility
4. AC-to-DC Equipment Control
- Requirement: Operate AC-powered devices from DC control signals
- Recommended Models: 2982171 (OPT-24DC/230AC/2), 2967950 (OPT-24DC/230AC/1)
- Key Reason: Converts DC control signals to AC outputs for driving motors, heaters, and other AC loads
5. Low-Power Industrial Automation
- Requirement: Small control signals (5V) to drive industrial loads
- Recommended Models: 2982113 (OPT-5DC/24DC/5, 5A), 2967989 (OPT-5DC/24DC/2)
- Key Reason: Low-voltage input compatibility (5V) for microcontrollers/PLCs; high current output (5A) for direct load control
Core Advantages
- Electrical Isolation: 2kV isolation protects control systems from field device voltage surges and noise
- Versatile Voltage Compatibility: Supports various input (5V/24V/48V/60V DC) and output (24V/48V DC or 230V AC) voltage combinations
- High Current Capacity: Models up to 5A can directly drive solenoids, motors, and other industrial loads without additional relays
- Compact Design: Space-saving 29mm width fits densely packed control cabinets
- Easy Installation: 35mm DIN rail mounting with push-in/spring clamp terminals for quick wiring
- Reliability: No moving parts (solid-state design) ensures long life and minimal maintenance
- Visual Feedback: LED indicators provide operation status monitoring
Installation & Usage Notes
- Voltage Matching: Verify input voltage matches the module's rated voltage (e.g., 24V DC modules require 19.2-28.8V DC input)
- Current Rating: Never exceed the module's rated output current (2A/5A/100mA) to prevent damage
- Wiring: Use appropriate wire gauge (0.14-2.5mm²) and ensure secure connections to prevent arcing
- Heat Dissipation: Leave ≥10mm space between modules for adequate ventilation, especially in high-current applications
- Noise Reduction: For sensitive applications, use shielded cables and consider adding RC snubbers for inductive loads
- Protection: Inrush currents may damage outputs; use fuses (rated at 1.25× the module's rated current) for protection
- Environmental Considerations: Ensure ambient temperature does not exceed 60°C (70°C for select models) to maintain performance
Phoenix OPT Series: Miniature Solid-State Relays & Optocouplers - Selection Guide
Created on：2025-11-19 11:16
