Industrial Connectivity
Solutions by Nitai
From precision terminal blocks to waterproof circular connectors and distribution modules -- Nitai manufactures a comprehensive range of industrial connectivity products engineered for automation, robotics, and control systems worldwide.
Three Core Product Lines
A complete industrial connectivity ecosystem -- engineered to work together across your automation infrastructure.
Terminal Blocks
High-density PCB and pluggable terminal blocks for PLC control cabinets, available in multiple pitches and pole configurations.
Connectors
M5 to M23 waterproof circular connectors for sensors, actuators, and industrial networks -- multiple coding and wiring methods.
Distribution Modules
Industrial signal and power distribution modules for DIN rail mounting, designed for control cabinets and automation panels.
Connector Categories
Terminal Block Categories
PCB Terminal Blocks
Surface-mount and through-hole terminal blocks for PCB integration in compact control systems.
Spring Terminal Blocks
Tool-free spring clamp connection for fast wiring and reliable vibration-resistant contacts.
Pluggable Terminal Blocks
Plug-and-socket design for easy field wiring and modular panel assembly.
Barrier Terminal Blocks
Heavy-duty screw barrier terminals for high-current industrial panel wiring.
Distribution Module Categories
PLC Interface Modules
Compact interface modules designed for seamless PLC integration in control cabinets and automation systems.
Power Distribution Modules
Reliable power distribution solutions for industrial panels, supporting multi-circuit protection and monitoring.
Relay Interface Modules
Relay-based interface modules for signal isolation, switching, and logic control in automation applications.
Sensor and Signal Interface Modules
Signal conditioning and interface modules for sensors, transducers, and field devices in industrial environments.
Terminal Block Modules
DIN rail mounted terminal block modules for organized, high-density wiring in distribution and control panels.
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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Ready to Source
Industrial Connectors?
Tell us your application requirements -- our engineering team will recommend the right product series, specifications, and customization options for your project.