— Precision Parts. Zero Compromise.
Search our full catalog of M8/M12/M16 waterproof connectors, terminal blocks, and cable assemblies. Filter by pin count, coding type, IP rating, or part number to find your exact specification.
From Dongguan's precision manufacturing hub, NITAI delivers connectivity solutions trusted by automation engineers, system integrators, and OEM brands across 50+ countries.
ISO 9001, UL, CE, RoHS, REACH -- every product meets rigorous international standards for industrial deployment.
Custom pin configurations, cable lengths, labeling, and packaging. From prototype to mass production under your brand.
Automated production lines with in-house injection molding and cable processing ensure short lead times and on-time delivery.
Trusted by customers in Europe, North America, Southeast Asia, Middle East, and South America. Export-ready documentation included.
Precision-engineered components for demanding industrial environments -- from control cabinets to field-level sensor networks.
Waterproof circular connectors for industrial sensors, actuators, and fieldbus networks. Available in A/B/D/X coding with 2-17 pin configurations.
Space-saving M8 connectors ideal for compact sensor applications. 3-8 pin options with robust IP67/IP68 protection for tight installation spaces.
Larger-format M16 connectors for high pin-count and high-current applications in heavy industrial and power transmission systems.
High-density wiring solutions for PLC control cabinets. PCB mount, DIN rail, and pluggable types with pitch sizes from 3.5mm to 10mm.
Pre-assembled cable solutions with M8/M12/M16 connectors. Custom lengths, PVC/PUR/TPU jackets, shielded options for industrial environments.
DIN rail-mounted interface modules for signal distribution and breakout in PLC control systems. Simplify wiring in complex automation panels.
NITAI connectors and terminal blocks are deployed in mission-critical environments worldwide -- wherever reliability cannot be compromised.
Reliable signal and power connectivity for PLCs, servo drives, frequency converters, and industrial control systems.
Compact M8/M12 connectors for robotic arms, end-effectors, and collaborative robots requiring flexible, durable cabling.
Standardized M12 connections for proximity sensors, photoelectric sensors, and process instrumentation in factory environments.
Terminal blocks and interface modules for organized, reliable wiring inside industrial control panels and distribution boards.
Industry 4.0 ready connectivity for IIoT gateways, edge computing nodes, and smart factory data acquisition systems.
Rugged connectors for wind turbines, solar inverters, power distribution, and building automation systems requiring long-term reliability.
Our Dongguan facility combines automated production lines with strict quality control -- from raw material inspection through final waterproof testing before every shipment.
In-house precision injection molding with PA66 and engineering plastics. Cable overmolding for sealed, robust assemblies.
High-speed automated connector assembly and cable processing for consistent quality and rapid throughput across standard and custom orders.
100% electrical continuity testing, IP67/IP68 waterproof pressure testing, and final inspection before every shipment.
Documented quality management system covering incoming material inspection, process control, and traceability throughout production.
From concept to mass production under your private label. NITAI provides comprehensive OEM/ODM services for industrial connector brands worldwide.
Share your specifications, application requirements, and target volume. Our engineers evaluate feasibility.
Custom mold design, material selection, and prototype production. Samples delivered for your approval.
Electrical testing, IP rating verification, and compliance checks. Full test reports provided for certification.
Scalable production with your branding, custom packaging, and export documentation. On-time delivery guaranteed.
Our multi-stage quality control process ensures that every NITAI product meets or exceeds international standards. From incoming material inspection to final waterproof verification.
PA66, brass terminals, copper conductors, and cable materials inspected against specifications before production.
Dimensional checks, assembly verification, and process monitoring at each production stage.
100% electrical continuity and insulation resistance testing. IP67/IP68 pressure immersion testing for waterproof products.
Pre-shipment final inspection, compliance documentation, and test reports for CE/UL/RoHS requirements.
Quality Management System -- documented processes, continuous improvement.
German electrical engineering standard -- safety, reliability, and performance testing compliance.
North American safety standards for industrial electrical components.
Restriction of hazardous substances -- environmentally responsible manufacturing.
Tested to IEC 60529 standard. IP68 rated for continuous submersion up to 1 meter depth -- suitable for outdoor and wash-down environments.
NITAI exports to major industrial markets worldwide, with deep experience in European CE compliance, North American UL requirements, and Asian market standards.
Germany, France, Italy, Netherlands, Nordics
USA, Canada, Mexico
Vietnam, Thailand, Indonesia, Malaysia
UAE, Saudi Arabia, Turkey
Brazil, Argentina, Chile
Hear from the engineers, procurement managers, and OEM brands who rely on NITAI for their connectivity needs.
"We've been sourcing M12 connectors from NITAI for 4 years for our automation equipment line. The IP68 rating holds up perfectly in our wash-down production environment. Consistent quality, batch after batch."
"NITAI handled our full OEM program -- custom pin layout, private label packaging, and CE documentation. Their engineering team responded quickly and the prototype turnaround was impressive. Strong partner."
"We integrated NITAI terminal blocks into our PLC cabinet production. The DIN rail mounting is precise, vibration stability is excellent. Good price-to-performance ratio for high-volume production."
Tell us about your application and requirements. Our technical team will respond within 24 hours with product recommendations, specifications, and pricing.
