Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.

The IronRidge Stopper Sleeve, designated as UFO-STP-46MM-B1, is a crucial component designed for enhanced grounding of solar module installations. This innovative product features easy integration with the IronRidge XR Rails, simplifying the entire process of establishing secure electrical connections. By using this high-quality stopper sleeve, users can ensure reliable performance and safety in solar mounting systems, making it an essential part of any solar project focusing on efficiency and reliability.
The IronRidge UFO-STP-46MM-B1 effectively removes the need for standalone grounding equipment by directly bonding solar modules to IronRidge XR Rails. This feature facilitates a streamlined installation process, saving time and reducing material costs, making it an excellent choice for solar contractors.
This stopper sleeve is fully compliant with UL 2703 standards, certifying that it maintains robust electrical and mechanical connections even in harsh outdoor conditions. This certification instills confidence in installers and end-users, knowing that the product meets rigorous safety and performance criteria.
Designed to fit a wide range of module heights, the IronRidge UFO-STP-46MM-B1 ensures versatility across various solar installations. This adaptability enhances its usability, making it a suitable choice for diverse applications, whether its a flush mount, tilt mount, or ground mount system.
With a user-friendly design, the installation of the IronRidge Stopper Sleeve is straightforward and efficient. It comes pre-assembled and lubricated, allowing for quick fitting onto the UFO and ensuring a hassle-free installation experience.
The built-in bonding properties of the UFO-STP-46MM-B1 provide numerous parallel grounding paths throughout the installation. This significantly increases safety by ensuring that electrical faults have multiple pathways to ground, effectively reducing the risk of electrical hazards.
The IronRidge Stopper Sleeve operates by forming a cohesive bond between solar modules and XR Rails, which plays a pivotal role in grounding. By integrating seamlessly into the mounting system, it enhances the electrical connectivity which is essential for optimal system performance.
When installed, the Stopper Sleeve interacts with the UFO to create a secure connection. The solid bond it establishes between the rail and the solar module contributes to the overall structural integrity of the solar array.
The installation process involves simply snapping the Stopper Sleeve onto the UFO, which then serves as a bonded end clamp. This quick setup minimizes labor costs while ensuring a secure and reliable connection.
Each unit is engineered to maximize grounding efficiency, creating multiple pathways for electrical discharge. This feature not only enhances the safety of the installation but also improves the overall durability of the solar system.
| Manufacturer | Ironridge |
| MPN (Manufacturer Part Number) | UFO-STP-46MM-B1 |
| Weight | 0.15 lbs |
| Material | High-Strength Aluminum |
| Dimensions | 46 mm |
| Color | Black |
| Compatibility | IronRidge XR Rails |
| Safety Certification | UL 2703 Certified |
| Use Case | Solar Module Grounding |
| Installation Method | Snap-On |
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.