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Faster & More Clearly
Browse NITAI products visually by category -- from waterproof circular connectors and terminal blocks to DIN rail distribution and interface modules.
Three Core Product Families
Start with the product family, then browse visually by subcategory.

Connectors
6 CategoriesM5 to M23 circular connectors, panel sockets, adapters and industrial Ethernet connectivity.
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Terminal Blocks
4 CategoriesPCB, pluggable, spring, screw, barrier and DIN rail terminal block solutions.
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Distribution & Interface Modules
5 CategoriesD-SUB, RJ45, IDC, PLC interface, relay and power distribution modules for control cabinets.
Browse Categories →Connectors
Browse by connector family. Product images are shown in full to make selection faster and more intuitive.
Terminal Blocks
Compare terminal block families visually before entering detailed product selection.
Distribution & Interface Modules
Visual navigation for D-SUB, RJ45, IDC, PLC interface, power distribution, relay and related module families.
Featured Products
Explore our most popular connector and terminal block models -- engineered for demanding industrial environments.
Connectors
Application Scenarios
Nitai connectivity products power critical systems across diverse industrial environments globally.
Industrial Automation
Reliable connector and terminal block solutions for PLC control cabinets, sensor networks, and automated production lines.
Robotics Systems
High-cycle waterproof connectors and secure terminal blocks for robotic arms, AGVs, and smart factory equipment.
Sensor Connectivity
M8/M12 circular connectors for proximity sensors, photoelectric sensors, and field bus networks in factory environments.
Control Cabinets
DIN rail terminal blocks and distribution modules for organized, high-density wiring in industrial control panels.
Network Infrastructure
RJ45 and X-coded M12 connectors for industrial Ethernet, PROFINET, and EtherNet/IP network deployments.
Energy & Infrastructure
Rugged connectors and high-current terminal blocks for power distribution, renewable energy, and building automation systems.
Technical Documents
Datasheets, technical drawings, and CAD files for all product lines.
Browse DocumentsCertifications
CE, UL, RoHS, REACH, and ISO 9001 compliance documentation for your procurement process.
View CertificationsOEM / ODM Services
Custom pin configurations, cable lengths, labeling, and private label manufacturing for your brand.
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Industrial Connectors?
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