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WEIPU WK Series IP67 Lock Hook Plug Socket — Rugged Industrial Connectors

Weipu WK16 TE plug WK16 Z square flange socket V0 fireproof matching set product shot

The WEIPU WK series IP67 lock hook plug socket answers a simple but critical need: dependable, easy-to-use connections where failure is not an option. Designed to maintain performance under dust, moisture, and mechanical stress, this collection focuses on longevity, serviceability, and secure engagement. Whether you are sealing sensor lines on outdoor equipment or connecting control cabinets in factory automation, the WK family is a practical choice that prioritizes uptime and safety.

Why these connectors matter for your projects

Failure of a single connection can halt production, jeopardize safety, or cause costly downtime. The WK series addresses those risks with a firm but forgiving lock-hook system that secures mating halves without complex tools. Its IP67-rated enclosure repels dust and temporary immersion, which is essential for field equipment, outdoor lighting, and on-board vehicle applications. Beyond raw ingress protection, the design reduces maintenance cycles: technicians can perform inspections and service faster while minimizing the chance of human error during reconnections.

Quick connect/disconnect with positive mechanical locking
Consistent sealing performance for outdoor and washdown environments
Compact footprint that supports space-constrained panels and devices
Options for multiple contact arrangements to handle signal, power, and mixed loads

Design philosophy and real-world applications

WEIPU’s design choices balance ergonomics, durability, and manufacturability. The lock hook engages intuitively, providing audible and tactile feedback so installers know a secure connection has been made. Materials and plating options are selected to resist corrosion in coastal, industrial, and automotive-edge conditions. By standardizing the mechanical interface across variants, the WK series simplifies spare-part management and accelerates field repairs.

Typical applications include:

Renewable energy: PV array junctions and inverter interfaces where weatherproofing is mandatory
Industrial automation: Sensors, actuators, and control network endpoints in manufacturing lines
Transportation: Auxiliary systems in rail and commercial vehicles that demand vibration resistance
Medical equipment housings where robust electrical connections must endure cleaning and movement

WEIPU reliability, production scale, and service support

Founded in 1996, WEIPU is a recognized global leader in high-reliability industrial connectors and was a principal drafter of the GB/T 11918-2014 national standard. With a modern 80,000 m² facility expanded in 2025 and an annual capacity of 55 million units, WEIPU offers more than 70,000 specifications—ranging from circular and heavy-duty connectors to CEE formats—serving over 30,000 customers in 130 countries. Our products meet elite IRIS (Rail Transit) and IATF 16949 (Automotive) certifications, and our in-house R&D and vertically integrated production enable rapid prototypes (7–15 days) and comprehensive OEM/ODM solutions.

Key technical benchmarks you can rely on include IP69K protection for high-pressure washdown models, medical-grade options rated for 134°C autoclaving, and high-current designs supporting up to 800A in specialized families. When you choose WEIPU’s WK-series solutions, you access a global support network, 24-hour rapid response, and engineering consultation to match connector selection with signal integrity, current needs, and environmental constraints. For sales or technical support, visit https://www.weipu-group.com/ or contact salse01@weipu-group.com • +86-020-80501102.

WK series IP67 lock hook plug socket Display

Weipu WK16 TE plug WK16 ZE inline socket V0 fireproof matching set product sho

Weipu WK16 TE plug WK16 ZQ front nut socket V0 fireproof matching set product shot

Weipu WK16 TE plug WK16 ZM rear nut socket V0 fireproof matching set product shot

FAQ

What does IP67 mean for the WK series lock hook plug socket?

IP67 indicates that the connector is dust-tight (6) and protected against temporary immersion up to 1 metre (7). For the WK series, this means the plug and socket maintain electrical continuity and mechanical integrity when exposed to wet, dusty, or splash-prone environments commonly found in outdoor installations and industrial washdown areas. For higher pressure washdown conditions, WEIPU also offers variants rated to IP69K.

How does the lock hook mechanism improve reliability compared with threaded or push-pull connectors?

The lock hook provides a positive mechanical latch that is quick to engage and disengage while offering audible and tactile confirmation of a secure connection. Compared with threaded connectors, it saves installation time and reduces cross-threading risk. Compared with simple push-pull designs, the hook prevents accidental disconnection under vibration and pull-loads, making it well-suited for mobile equipment, rail, and heavy industrial machinery where movement and shock are common.

Are there different contact configurations and current ratings available in the WK series?

Yes. The WK family supports multiple contact arrangements to handle signals, low-power control circuits, and combined power-and-signal configurations. Contact materials and plating (e.g., tin, gold) are selectable based on electrical and environmental requirements. For projects that require higher currents or specialized pins, WEIPU’s broader portfolio includes heavy-duty connectors that support much larger amperage—our engineering team can recommend the correct configuration for your load and application.

Can WEIPU provide custom or OEM versions of the WK series, and what are typical lead times?

WEIPU offers OEM/ODM services with a vertically integrated production process, enabling rapid prototyping and customization. Typical prototype turnaround is 7–15 days depending on complexity. For production volumes, lead times vary with order size and configuration but are supported by WEIPU’s 55 million-unit annual capacity. Early engagement with WEIPU engineering helps optimize tooling, sealing, and assembly for your production schedule.

What certifications and test procedures back the durability of the WK series IP67 lock hook plug socket?

WEIPU products are developed under stringent quality systems, including IATF 16949 for automotive and IRIS for rail transit where applicable. The WK series undergoes electrical, mechanical, and environmental testing consistent with industry standards: ingress protection tests (IP67/IP69K where applicable), vibration and shock testing, and mating-cycle endurance tests. Material selections and plating are validated for corrosion resistance in harsh environments. For specific test reports and certification copies, contact WEIPU sales at salse01@weipu-group.com.