LD32/SP32 Electrical Panel Mount Connector
IP68 Waterproof SP21 7 Pin Panel Mount Connector Overview
The IP68 waterproof SP21 7 pin panel mount connector provides a secure and durable electrical interface for equipment requiring stable multi-signal or power connections in outdoor and industrial environments. Its rear nut mount structure allows firm integration into enclosures or control cabinets, ensuring consistent performance under continuous operation.
With a 7-pin configuration, this connector supports multiple signal or combined power and signal transmission within a single connection point. The robust housing and sealing system help maintain reliable operation in environments exposed to moisture, dust, vibration, and temperature variation.

Panel Interface Design for Industrial Equipment
The SP21 panel mount connector serves as a fixed connection interface between internal circuits and external wiring systems. Its design focuses on mechanical stability and long-term sealing performance.
Key functional characteristics include:
- 7-pin configuration for multi-signal or power connections
- Rear nut panel mount installation for secure equipment integration
- IP68 waterproof and dustproof protection
- Durable housing suitable for outdoor and industrial use
- Stable electrical contact for continuous operation
- Reliable performance in demanding environments

Installation & Customization Capability
To support different project requirements, the SP21 panel mount connector can be configured according to system design and installation conditions:
- Panel mount or enclosure installation structure
- Solder or crimp termination options
- Compatibility with various cable sizes
- Optional protective caps and sealing accessories
- OEM marking, packaging, and mechanical customization
- Support for small-batch and large-scale production
This flexibility allows the connector to be integrated into a wide range of industrial equipment and electrical systems.

Typical Application Scenarios for SP21 Panel Mount Connector
The IP68 SP21 7 pin panel mount connector is widely used in equipment that requires reliable external connection interfaces, such as:
- Industrial automation equipment
- Outdoor electrical control cabinets
- Power distribution systems
- LED lighting and display installations
- Marine and transportation equipment
- Renewable energy and environmental monitoring systems
Manufacturing Strength & Quality Assurance
Our production system is built to ensure consistent performance and long-term reliability for waterproof connectors used in industrial environments. From raw material selection to final assembly, each stage follows standardized quality control procedures.

We operate a complete in-house manufacturing process that includes:
- Precision mold development and injection molding
- Metal component machining and surface treatment
- Connector assembly and sealing verification
- Electrical performance and durability testing

This integrated manufacturing capability helps maintain stable product quality and reliable delivery performance for global customers.
Certifications & Compliance
To meet international market requirements, our connectors are manufactured in accordance with recognized quality and safety standards. The SP21 series products comply with:
- ISO9001 Quality Management System
- CE Certification for European market requirements
- RoHS Compliance for environmental safety
- IP68 Waterproof Protection Standards

Selection Guidance for Your Application
When selecting the SP21 rear nut mount connector for your project, consider the following factors:
- Confirm the mating connector type and gender required for your system
- Verify the cable outside diameter and conductor size for proper termination
- Determine the electrical load (current and voltage) your application requires
- Check panel thickness and mounting hole dimensions for rear nut installation
- Specify the operating environment, including temperature range and exposure conditions
For detailed technical parameters including pin count, contact diameter, rated current, voltage, and material specifications, please refer to the Technical Specifications section. For assistance with configuration or to request a quotation, contact our engineering team with your application details, pinout requirements, and order quantity.
For related products, explore the Waterproof Connectors series or review the LD32/SP32 Electrical Panel Mount Connector for alternative panel mount options.
Used SP13 connectors to wire my new CCTV system. The IP68 rating means I don’t worry about rain or dust, and the locking mechanism keeps them from coming loose. Solid build, works flawlessly so far.SweetDealsAndSteals 2026-02-02
My submersible pump needed a durable connector, and the SP17 delivered. It’s waterproof, easy to install, and carries the current without any issues. No more tripping over exposed wires—highly recommend for industrial use.SustainableStyleX 2026-02-02
Finally fixed my submersible pump’s short circuit issue. SP17 is thick and durable, waterproof even underwater. Easy to connect, no power issues—worth every cent!CozyHomeShopper 2026-02-02
Solved my outdoor LED loose wire problem perfectly. Small size fits tight spaces, waterproof seal works great in rain. Solid build, no signal loss at all—great quality!EcoFriendlyFreak 2026-02-02