Ironridge UFO Black Stopper Sleeve UFO-STP-33MM-B1

The IronRidge UFO-STP-33MM-B1 Stopper Sleeve is a precision-designed accessory used with the IronRidge UFO (Universal Fastening Object) clamp system. This 33mm black anodized sleeve converts a standard UFO mid clamp into a bonded end clamp, enabling secure module termination at array edges.

Engineered for compatibility with a wide range of module frame heights, this stopper sleeve ensures proper spacing, grounding continuity, and reliable mechanical attachment within IronRidge racking systems. 

Key Features

• Converts UFO to End Clamp
  Snaps onto the UFO clamp to transform it into a fully functional end clamp for module edges. 

• 33mm Module Frame Compatibility
  Designed specifically for solar modules with ~33mm frame thickness.

• Integrated Bonding Capability
  Works within the IronRidge UFO system to maintain electrical bonding without additional grounding hardware.

• Durable Aluminum Construction
  Manufactured from 6000 series aluminum with a black anodized finish for corrosion resistance and long-term durability.

• Snap-On Installation
  Quick and tool-free attachment to the UFO clamp simplifies installation and reduces labor time.

• Multiple Size Options Available
  Part of a range of stopper sleeves (30–46mm) to accommodate different module frame heights. 

Best Uses

• Solar Module End Clamping
  Used at the ends of module rows to securely terminate panels.

• IronRidge UFO Mounting Systems
  Designed exclusively for use with IronRidge UFO mid clamp hardware.

• Residential & Commercial PV Installations
  Ideal for rooftop systems requiring integrated bonding and fast installation.

Product Specifications

Simple, Reliable End Clamp Conversion

The IronRidge UFO-STP-33MM-B1 Stopper Sleeve provides a fast and effective way to convert mid clamps into end clamps, streamlining installation while maintaining secure module attachment and electrical bonding.

Why Buy From US Solar Supplier

US Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.

Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.

Need Assistance?

Have questions before you order? Call 1-800-230-7004 to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.