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IEC 60309 Industrial Plugs and Connectors | UKS Pin & Sleeve Devices
KRIPAL offers UKS and UKS3 series pin and sleeve devices
KRIPAL manufactures heavy-duty industrial plugs and connectors fully compliant with IEC 60309-1 and IEC 60309-2 standards for reliable single-phase and three-phase power distribution. The UKS series covers 16A, 32A, 63A, and 125A current ratings in 3-pole, 4-pole, and 5-pole configurations, available with IP44 splash-proof and IP67 watertight enclosures. Standardized color-coded housings and keyed clock positions strictly prevent cross-mating across different voltage supplies, ensuring intrinsic electrical safety across construction sites, industrial facilities, marine ports, and temporary event installations.
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UKS-G IP44 Cable Mount 4P/5P Industrial CEE Phase Inverter Plug 16/32A CE Certified
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
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UKS-G IP67 Cable Mount 4P/5P Industrial CEE Phase Inverter Plug 16/32A CE Certified
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
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UKS-A IP67 Cable Mount 3P/4P/5P Industrial CEE Power Plug 16A CE Certified
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
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UKS-A IP67 Cable Mount 3P/4P/5P Industrial CEE Power Plug 32A CE Certified
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
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UKS-A IP44 Cable Mount 3P/4P/5P Industrial CEE Power Plug 63A CE Certified
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
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UKS-A IP44 Cable Mount 3P/4P/5P Industrial CEE Power Plug 16A/32A CE Certified
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
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UKS-A IP67 Cable Mount 3P/4P/5P Industrial CEE Power Plug 63A/125A CE Certified
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
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UKS-C IP44 Cable Mount 3P/4P/5P Industrial Plug Connector 16A/32A CEE Socket
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
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UKS-C IP67 Cable Mount 3P/4P/5P Industrial Plug Connector 16A/32A CEE Socket
KRIPAL Multiple-outlet Socket ensures safety with colour-coded voltage, mistake-proof insertion, and high IP ratings.
Ask a QuoteIndustrial Plug and Connector Selection Guide
An IEC 60309 industrial plug and connector, commonly called a pin and sleeve device, serves as a heavy-duty power connection interface engineered for temporary and permanent electrical distribution in harsh environments. KRIPAL manufactures the comprehensive UKS series in house, providing robust connection solutions for construction sites, industrial facilities, marine ports, and outdoor events.
Technical Specifications of the UKS Series
Current Ratings: 16A to 125A
The UKS series accommodates four standard current levels: 16A for portable tools and lighting, 32A for medium machinery and sub-distribution, 63A for heavy equipment and generator feeds, and 125A for main incoming supply connections. High-current ratings utilize proportionally sized machined brass pins to ensure sustained thermal performance and minimal voltage drop under continuous load.
Pole Configurations: 3P, 4P and 5P
3-pole (2P+E) serves single-phase 230V equipment. 4-pole (3P+E) handles three-phase 400V balanced motor loads without neutral. 5-pole (3P+N+E) supports three-phase 400V/230V systems where both three-phase and single-phase loads are drawn from a single outlet. The extended earth pin guarantees a “first-make, last-break” safety contact sequence.
Enclosure Materials and Contact Construction
Housings are precision injection-molded from UV-stabilized PA6 polyamide or PC polycarbonate, rated for continuous outdoor exposure from -25°C to +40°C. Brass contact pins and sleeves feature nickel plating for maximum corrosion resistance and low insertion force. High-grade neoprene cable gland grommets reliably maintain the IP44 or IP67 enclosure rating across cable outer diameters ranging from 6mm to 48mm.
Color-Coded Voltage Identification System
Blue housing indicates 200–250V (commonly 230V at the 6h earth contact position). Red housing indicates 380–480V (commonly 400V at the 6h position). Yellow housing indicates 100–130V (110V site safety voltage at the 4h position). The earth sleeve clock position varies strictly by voltage category, ensuring a blue 230V plug physically cannot mate with a red 400V socket.
Specify Your IEC 60309 Connectors
- Complete UKS Catalog: Download datasheets with dimensional drawings, pin configuration tables, and ordering codes for every plug, connector, and socket combination in the UKS product range.
- Application Engineering Support: Our technical team reviews your power distribution layout and recommends the optimal current ratings, pole configurations, and IP protection levels for each connection point in your installation.
- Factory Direct Volume Programs: Contact our export team for OEM factory pricing with flexible delivery schedules and consolidated logistics across the full UKS product line.
Industrial Plug and Connector Deployment Environments
KRIPAL UKS series industrial plugs and connectors power critical electrical loads across temporary and permanent installations where connection reliability, environmental sealing, and voltage safety are non-negotiable operational requirements.
Construction Site Temporary Power Networks
IP67 63A and 125A plugs feed main site switchboards, cascading through 32A sub-distribution boards to 16A outlets powering handheld tools, temporary lighting towers, and site welfare cabins. The standardized color-coded system strictly prevents 230V and 400V supply mismatches across multi-voltage site networks.
Port and Marina Shore-to-Ship Power Connections
IP67 63A and 125A connectors provide shore power interfaces for container vessels, commercial fishing vessels, and marina berths. Nickel-plated brass contacts resist salt spray corrosion, while heavily sealed enclosures prevent seawater ingress during connection and disconnection on wet docksides.
Outdoor Events and Live Entertainment Power Distribution
63A and 125A connectors distribute main power to stage lighting dimmer racks, audio amplifier stacks, video LED wall processors, and catering concession trailers at outdoor festivals and exhibitions. The heavy-duty pin and sleeve mechanism withstands rapid mating and unmating cycles during tight event setup and stage changeover schedules.
Power Your Project with Factory Direct Supply
- Project Specification Support: Send us your site power layout and our engineers will specify the optimal plug, connector, and socket combinations for each distribution level in your installation.
- Compliance Documentation Package: Obtain CE and IEC 60309 test reports prepared specifically for your project technical files and local authority electrical approval submissions.
- Phased Project Delivery: Contact our export team for volume factory pricing with scheduled delivery timelines aligned with your construction milestones and site readiness dates.
Behind KRIPAL Industrial Connector Manufacturing
KRIPAL manufactures IEC 60309 industrial plugs and connectors on dedicated production lines featuring in-house brass contact stamping, thermoplastic injection molding, and IP verification testing at our Zhejiang facility—supplying electrical wholesalers, panel builders, and site equipment OEMs through factory-direct channels.
Vertically Integrated Contact and Housing Production
Brass pins and sleeves are stamped, precision-machined, and nickel-plated in house rather than sourced as commodity components. PA6 polyamide and PC polycarbonate housings are injection-molded using UV-stabilized formulations on the same manufacturing campus, enabling real-time quality feedback between contact machining and molding teams.
ISO 9001 Certified with Batch-Level IP Verification
Sample units from every production lot undergo rigorous IP44 splash testing or IP67 immersion testing on certified in-house test rigs. Contact resistance, dielectric strength, and mechanical insertion force are measured and logged with full lot-level traceability for warranty support and customer quality audits.
Complete IEC 60309 Compliance Documentation
Every connector series carries CE certification backed by comprehensive IEC 60309-1 and IEC 60309-2 test reports, including temperature rise curves, mechanical endurance data exceeding 5,000 mating cycles, and dimensional verification against international standards. Full technical files are maintained for seamless export customs clearance.
Consolidated Multi-Product Export Shipments
Combine industrial plugs, connectors, wall-mounted sockets, and panel-mounted sockets into a single purchase order under one bill of lading. Mixed-pallet loading minimizes per-unit ocean freight costs and simplifies warehouse receiving compared to sourcing components from multiple suppliers.
Wholesaler Inventory Buffer Programs
Maintain agreed-upon safety stock levels at our Zhejiang manufacturing facility for your high-demand plug and connector configurations. We ship against rolling 12-week forecasts with guaranteed emergency stock release for urgent contractor orders and tight project deadlines.
Private Label Manufacturing with Laser Marking
Custom part numbers, technical ratings, and corporate logos are laser-marked directly onto the connector housing body. Customized branded packaging with tailored carton quantities is configured to seamlessly match your warehouse logistics and spare parts catalog numbering system.
Pre-Shipment Quality Documentation Package
Every export shipment includes functional test reports, certificates of origin (CO), and customs-ready packing lists. All documentation is pre-formatted for straightforward import clearance and swift end-customer quality acceptance.
Direct Engineering Communication Without Distributor Delays
Electrical contractors and equipment OEMs communicate directly with KRIPAL application engineers for connector selection guidance, site-specific IP suitability assessments, and custom configuration requests—eliminating multi-tier distributor delays for technical inquiries.
Frequently Asked Questions
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