3003347 - IP67 Quick-Lock - Industrial High-Current Stainless - Rectangular Connector

Product Overview​

The Phoenix Contact ​3003347​ is a high-reliability plug-in connector designed for secure signal and power transmission in industrial control systems. Part of Phoenix Contact’s COMBICON series, this component ensures robust connectivity in automation environments such as control cabinets, motor control centers, and modular machinery. Its compact, modular design supports DIN rail mounting (EN 60715), enabling space-efficient integration into high-density panels. The connector features a durable polyamide housing with ​IP20 protection, providing resistance to dust and minor mechanical impacts.

Engineered for versatility, the 3003347 accommodates both single- and multi-conductor wiring, making it suitable for diverse applications ranging from PLC interfaces to sensor networks. Compliance with ​IEC 60947, ​UL 1059, and ​RoHS/REACH​ standards ensures global applicability and adherence to environmental regulations. The push-in spring-cage clamping technology allows tool-free installation, reducing assembly time and minimizing wiring errors. Transparent housing enables quick visual inspection of wire seating, simplifying maintenance in complex systems.

​Key Technical Parameters​

The 3003347 is defined by precision-engineered specifications for industrial durability:

• ​Rated Voltage: 250 V AC/DC
• ​Current Rating: 4 A (continuous), optimized for low-power control circuits.
• ​Wire Cross-Section: 0.14–0.75 mm² (fine-stranded) / 0.2–0.5 mm² (solid conductors).
• ​Temperature Range: -40°C to +85°C (operational), ensuring stability in harsh environments.
• ​Contact Material: Tin-plated copper alloy for low resistance and corrosion resistance.
• ​Insulation Resistance: >100 MΩ (at 500 V DC), minimizing leakage risks.
• ​Mounting: Compatible with ​35 mm DIN rails​ for tool-free, snap-on installation.
• ​Safety Certifications: UL 94 V-0 (flammability), CE, and cULus listed.

These parameters make the 3003347 ideal for signal routing, sensor networks, and low-voltage control systems.

​Primary Applications​

The 3003347 is widely deployed across industries requiring precise electrical connectivity:

• ​PLC and Controller Wiring: Links sensors, actuators, and I/O modules to automation controllers.
• ​Motor Control Systems: Connects low-power motor drivers and servo controls in manufacturing lines.
• ​Energy Management: Routes signals in solar inverters, wind turbines, and battery monitoring systems.
• ​Building Automation: Integrates into HVAC and lighting control systems for centralized management.
• ​Transportation Infrastructure: Used in railway signaling and traffic control panels for reliable operation.

Its vibration-resistant design also suits robotics, packaging machinery, and mobile equipment, where stable connections are critical. The connector’s modularity enables easy scalability, supporting future system expansions.

​Competitive Advantages​

The 3003347 outperforms standard connectors through innovative design:

• ​Tool-Free Installation: Push-in spring-cage technology reduces wiring time by ​30%​​ and eliminates screwdriver dependency.
• ​Space Optimization: Ultra-compact footprint allows dense stacking in control panels.
• ​Vibration Stability: Spring-loaded contacts maintain integrity in high-vibration environments.
• ​Color-Coded Terminals: Simplifies wire identification and reduces installation errors.
• ​Eco-Friendly Compliance: Halogen-free and RoHS-compliant materials align with sustainability goals.

These advantages translate to lower labor costs, enhanced system uptime, and reduced risk of connection failures.

​Functional Features​

The 3003347 delivers advanced functionality for modern automation needs:

• ​Bidirectional Signal Integrity: Ensures minimal signal loss for accurate data transmission.
• ​Polarized Design: Keyed mating surfaces prevent incorrect plug orientation.
• ​Self-Cleaning Contacts: Maintain conductivity over repeated mating cycles.
• ​Test Points: Integrated access for voltage/current measurement without disassembly.
• ​Daisy-Chaining Support: Enables cascading connections for simplified network topologies.

Combined with Phoenix Contact’s rigorous quality assurance, the 3003347 is a trusted solution for engineers prioritizing precision, safety, and scalability in industrial automation.

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Packaging & Shipping

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
more about us , u can view our official web:http://www.zcsensors.com/follow us :

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With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are

perfectly.

we are major in PLC,Sensors,HIM,Transmitters.

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