Description
Product Overview
The Hubbell Pin and Sleeve Connector, model M4100C12R, is engineered to meet the rigorous demands of modern industrial electrical systems. With a current rating of 100 amperes and a voltage range of 125 to 250 volts, this connector delivers dependable power transfer while maintaining a compact footprint. Constructed from high‑grade copper alloy and reinforced with a corrosion‑resistant polymer housing, the unit offers exceptional durability in environments that range from clean factory floors to outdoor installations exposed to moisture and chemicals.
Dimensions of 14 × 6 × 5 inches and a weight of 4.45 pounds make the connector easy to handle during installation and maintenance. The design follows the miniature cylindrical connector standard, ensuring compatibility with a wide array of mating components across the industrial sector. Each unit ships with a comprehensive instruction guide, allowing technicians to quickly verify wiring configurations and torque specifications.
![[Product front view showing all components]](https://www.penex.store/wp-content/uploads/2026/08/76da032e79d849bb9660d57d0035c864.jpg)
Usage
This connector excels in applications where space is limited but performance cannot be compromised. Typical use cases include control panels for automated machinery, power distribution units in renewable energy systems, and heavy‑duty equipment such as motor drives and variable frequency drives. The robust pin‑and‑sleeve design provides a secure locking mechanism that resists vibration, making it ideal for mobile equipment and harsh industrial settings.
Engineers and electricians appreciate the connector’s straightforward installation process. The pins are pre‑tinned for optimal conductivity, and the sleeve housing incorporates a self‑aligning feature that reduces the risk of mis‑mating. Because the connector is rated for both 125 V and 250 V, it can be deployed in single‑phase or three‑phase circuits without the need for additional adapters.
In addition to its primary electrical functions, the connector’s insulated housing offers protection against accidental contact, enhancing safety for personnel working in high‑voltage environments. Its compliance with UL and IEC standards ensures that it meets the regulatory requirements of most jurisdictions, simplifying the approval process for new installations.
Why Choose Us
Choosing the Hubbell Pin and Sleeve Connector means selecting a product backed by over a century of electrical expertise. Hubbell Wiring Device‑Kellems, a trusted name in industrial electrical supplies, manufactures this connector in the United States, guaranteeing strict quality control and traceability throughout the production line.
Our commitment to durability is reflected in the use of a copper alloy that exceeds standard conductivity requirements, while the polymer housing is formulated to resist UV degradation, oil exposure, and temperature extremes from -40 °C to +85 °C. Each connector undergoes rigorous testing, including tensile strength, dielectric withstand, and corrosion resistance, to ensure it performs reliably over its projected service life.
Customer support is a cornerstone of our service model. Purchasers receive access to technical assistance from certified engineers, detailed installation manuals, and a responsive warranty program that covers manufacturing defects for up to five years. This comprehensive support framework reduces downtime and provides peace of mind for facilities that cannot afford interruptions.
Key Features
- High current capacity of 100 A ensures reliable power delivery for demanding loads.
- Broad voltage range of 125‑250 V accommodates both single‑phase and three‑phase applications.
- Durable copper alloy conductors paired with a corrosion‑resistant polymer housing for long‑term performance.
- Compact miniature cylindrical design saves space in crowded panels and enclosures.
- Comprehensive after‑sales support, including technical assistance and a five‑year warranty.
FAQ
What is the maximum temperature rating for this connector?
The connector is rated for continuous operation from –40 °C up to +85 °C, making it suitable for most industrial environments.
Is this connector compatible with existing Hubbell wiring systems?
Yes, the M4100C12R model conforms to the standard miniature cylindrical connector dimensions, ensuring seamless integration with other Hubbell and third‑party components.
Can the connector be used in outdoor installations?
Absolutely. The polymer housing is UV‑stable and resistant to moisture and chemicals, allowing safe outdoor deployment when properly sealed.
What certifications does this product hold?
The connector meets UL and IEC standards for safety and performance, and it carries a National Stock Number (NSN) of 5935‑01‑399‑6803 for military and government procurement.
How does the warranty process work?
Customers can submit a warranty claim through our online portal or contact technical support directly. Provided the issue is due to a manufacturing defect, the connector will be repaired or replaced at no cost within the five‑year warranty period.




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