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Molex DIN rail terminal blocks

DIN Rail Terminal Blocks

Offering safe and reliable power connectivity for a wide variety of industries and applications, DIN Rail Terminal Blocks provide a modular and scalable system that utilizes 35mm DIN rails to optimize space and performance. Multiple options for wire sizes, types and attachment styles streamline integration of complex wiring layouts, while robust clamping and a vibration-resistant design help prevent failures in harsh environments.

Voltage Current Rated Impulse Voltage per III/3 Wire Gauge
Up to 1,000V DC Up to 24.0A 8,000V 0.34 to 2.50mm² (22 to 12 AWG), larger wire sizes available

Feed-Through Type

Single level feed-through DIN rail terminal block with screw connection.

Fuse Type

Single level fuse DIN rail terminal block with screw connection.

Diode Type

Double level diode DIN rail terminal block with screw connection.

Disconnect Type

Single level disconnect DIN rail terminal block with screw connection.

Grounding Type

Single level grounding DIN rail terminal block with screw connection.

Accessories

DIN rail terminal block test plug.

Features and Benefits


Wiring in industrial and other demanding environments calls for reliable, safe and space-efficient connection solutions. Design engineers need connectors that are flexible enough to handle a range of conductor cross sections and wire types while offering consistent quality, durability, power capacity and compliance with industry and regulatory standards. These solutions should ensure installer safety and streamline maintenance work to minimize system downtime.​

Modular terminal blocks designed for 35mm DIN rail attachment can offer robust and versatile connections for a variety of industries. By supporting a broad range of attachment styles and wire types, these terminal blocks can also help maximize space efficiency and ensure safe and dependable long-term operation.​

Molex DIN Rail Terminal Blocks provide a large selection of products that deliver safe, reliable, compact and scalable power connectivity. These terminal blocks offer multiple wire attachment options and support both solid and stranded wires, allowing engineers to integrate multiple conductor types in a consolidated installation. Robust, vibration-resistant clamping and fire-retardant materials enhance reliability and help prevent connection failures, while compliance with UL, CE and IEC regulations simplifies paperwork and ensures worker safety.

Flexible Connection Types for Diverse Application​s

With options for screw, spring and push-in wiring terminations that support both solid and stranded wires, DIN Rail Terminal Blocks offer multiple options to meet application-specific needs, enhance design flexibility, and reduce wiring time and errors.

Double level grounding DIN rail terminal block with screw connection.

Compact, Modular Design for Simplified Installation​

The space-efficient and modular design overcomes space constraints in smaller control panels by supporting high-density wiring, saving valuable panel space, and accelerating installation work. Accessories such as spacers and covers enable efficient and maintenance-friendly layouts.

Single level feed-through terminal block with screw connection and end cover.

Secure, Long-Lasting Electrical Performance​

Strong clamping and a vibration-resistant design help ensure secure and reliable connections in mobile applications and other harsh environments by helping prevent loose wires, eliminating overheating, and minimizing the unreliable connections that can create downtime.​

Single level feed-through terminal block with push-in design for secure connections.

Accelerates testing and diagnostic work
Integrated test points remove the need to disconnect wires when testing, saving maintenance time and minimizing service interruptions.

Reduces maintenance errors and accelerates repair work
A large marking and labeling area enables clear identification of circuits and simplifies troubleshooting.​

Enhances design flexibility​
Standard, high-current, multi-level and special-function solutions in the product line reduce sourcing complexity and ensure consistent quality across diverse projects.​

Simplifies inventory and installation
A large range of standardized accessories, including jumpers, end plates and marking systems, reduces complexity and eliminates the need for components from multiple suppliers.

Ensures worker safety and certification compliance​
High safety standards, including UL94 V-0 flame-retardant insulation and CE/IEC certifications, make these products compliant with international regulations, eliminating certification barriers.​

Datasheets and Guides


Applications by Industry


Grain handling and processing systems
Irrigation control panels​

Assembly line equipment​
Plant electrical distribution systems​
Test rigs

Circuit protection equipment​
Distribution panels​
Generators​
Substations
Switch gear​
Transformers

Battery energy storage systems (BESS)​
Electric vehicle charging stations​
Renewable energy systems

Air-handling units​
Building automation control systems​
Chillers​
Compressors​
Temperature-regulation control systems

Automated systems​
Control cabinets​
Production line machinery​
Programmable logic controllers (PLCs)
Signal and power distribution

High-density power-distribution units​

Base station power distribution​
Networking racks​
Routers​
Server cabinets​
Switches

This is not a definitive list of applications for this product. It represents some of the more common uses.

Frequently Asked Questions


What are DIN Rail Terminal Blocks?​

DIN Rail Terminal Blocks are modular solutions that deliver versatile, safe and reliable electrical connections in a compact and modular form factor. These terminal blocks offer multiple connection styles, wide accessory compatibility, and a broad selection of wire size and layout options, supporting wiring applications across a variety of industries and devices.

What makes Molex DIN Rail Terminal Blocks different from the competition?​

DIN Rail Terminal Blocks from Molex deliver high-level functional quality, consistent performance and long-term reliability while still maintaining cost efficiency. By ensuring low contact resistance and minimizing failure rates, the precision engineering of these blocks helps manufacturers and panel builders reduce maintenance expenses and power loss. This results in a lower total cost of ownership compared with alternative solutions.​

How do DIN Rail Terminal Blocks create value for their users?​

DIN Rail Terminal Blocks facilitate easy wiring, maintenance and expansion, and are adaptable to various voltages, currents and applications. This flexibility helps users reduce costs by simplifying inventory challenges and accelerating installation and maintenance operations. They also reduce risk by providing secure and insulated connections that minimize the chances of short circuits.​

What features are available using DIN Rail Terminal Blocks?​

DIN Rail Terminal Blocks can fulfill several functions, depending on the version. Feed-through versions allow wires to pass through, while bi-level versions offer two connection levels stacked vertically. Ground/earth versions provide a secure grounding point. Fuse versions include a fuse holder for overcurrent protection. Disconnect versions feature a disconnect lever or button for isolating circuits, while test-disconnect versions include a built-in disconnect mechanism such as a knife switch, lever or plug-in disconnect. Finally, diode versions are specialized products that integrate diodes within the terminal. The diverse selection of capabilities enables use of a common product family to meet a variety of needs, simplifying sourcing, reducing inventory challenges and streamlining design work.