Ironridge UFO-CL-01-B1
Ironridge UFO-CL-01-B1
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IronRidge UFO UFO-CL-01-B1 Black Universal Bonding Module Clamp

IronRidge UFO UFO-CL-01-B1 Black Universal Bonding Module Clamp

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Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

What’s covered by your return policy?

Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my order?

All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

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We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

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Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

IronRidge UFO® Universal Module Mid Clamp — Black

MPN UFO-CL-01-B1 | Single-Piece Universal Fastening Object | 30–48mm Frame Height | Mid Clamp | Converts to End Clamp with Stopper Sleeve | UL 2703 Integrated Grounding | Black Finish | 25-Year Warranty

30–48mm
Universal Frame Height Range
2-in-1
Mid + End Clamp (+ Stopper Sleeve)
UL 2703
Integrated Grounding Listed
25 Yrs
Manufacturer Warranty

Product Overview

The IronRidge UFO-CL-01-B1 is the black-finish version of IronRidge's UFO® (Universal Fastening Object) — a single-size, single-piece module mid clamp engineered to quickly and securely bond solar modules to IronRidge XR Series rails while simultaneously establishing the UL 2703 listed module-to-rail electrical bonding path. The UFO's circular clamp head, 360° bonding washer, and integrated Nylok T-bolt deliver a truly universal fastener: one clamp SKU covers every module frame height from 30mm to 48mm, eliminating the need to stock multiple clamp sizes for different module specifications. The UFO ships fully assembled and fully lubricated — ready to drop into the XR rail T-slot, self-stand while modules are positioned, and spin down to a finished torque in seconds. When a Stopper Sleeve is snapped onto the UFO's outboard side, the same clamp converts from a mid clamp to a fully rated end clamp — making the UFO-CL-01-B1 the only clamp SKU needed for both mid and end positions in an XR rail installation. The black finish matches dark-frame and all-black solar modules for a clean, low-visibility racking aesthetic. Backed by IronRidge's industry-leading 25-year product warranty.

Key Benefits

Truly Universal — One Clamp for 30–48mm, Mid and End: The UFO® covers every standard solar module frame height from 30mm to 48mm with a single continuously adjustable clamp — eliminating the need to stock separate clamp sizes for thin-frame (32mm), standard (35–38mm), and thick-frame (40–46mm) modules on the same job. Combined with the Stopper Sleeve conversion, the UFO-CL-01-B1 functions as both a mid clamp (without sleeve) and an end clamp (with sleeve), meaning a single clamp part number handles both positions in every row — dramatically simplifying purchasing, inventory, and field logistics for installers working across multiple module brands and specifications.

360° Bonding Washer — UL 2703 Grounding Without Separate Hardware: The UFO's integrated 360° bonding washer is the key to IronRidge's UL 2703 listed integrated grounding system. As the UFO is torqued down, the circular bonding washer makes continuous contact with the module frame anodizing at all points around its circumference — breaking through the anodized aluminum oxide insulating layer to establish a direct metal-to-metal electrical bond between the module frame and the UFO body. The UFO body simultaneously bonds to the XR rail through the T-bolt contact — creating a continuous, multi-path grounding circuit from every module frame through the rail to the structure ground without any grounding lugs, WEEB washers, or supplemental bonding jumpers at any point in the array.

Self-Standing T-Bolt — One-Person Installation: The UFO's long T-bolt features an integrated Nylok patch that grips the rail T-slot walls when inserted — allowing the UFO to stand freely in the rail channel without being held in place while modules are being positioned. This eliminates the conventional two-person clamp installation workflow (one person holds the clamp, another places the module), allowing a single installer to drop UFOs into position along the rail, lay modules between them, and then walk back along the row fastening each clamp without a second set of hands. The Nylok patch also auto-rotates and locks the T-bolt into the correct final position as the clamp is torqued — preventing T-bolt spin during final fastening.

Fully Assembled & Pre-Lubricated — Zero Field Prep: Every UFO-CL-01-B1 ships fully assembled — clamp head, T-bolt, nut, and 360° bonding washer pre-integrated — with factory-applied lubrication on the T-bolt threads. No field assembly, thread lubrication, or component alignment is required before installation. The pre-applied lubricant ensures consistent torque-to-clamping-force across every fastener in the array, preventing under-torque (inadequate bond) and over-torque (module frame deformation) — and dramatically reducing installation time per module position compared to multi-piece clamp systems requiring field assembly.

Black Finish — Aesthetic Match for Dark-Frame Modules: The black finish of the UFO-CL-01-B1 visually aligns with dark-anodized and black-frame solar modules — including most premium bifacial, all-black, and sleek residential modules from major manufacturers — minimizing the visual contrast between the silver clamping hardware and the module frame on completed arrays. When paired with IronRidge's black XR rails (XR-100-168B, XR-10-168B), the UFO-CL-01-B1 enables a fully monochromatic black racking and clamping system for installations where aesthetic uniformity across the roofline is a priority.

Multiple Parallel Grounding Paths — Enhanced System Safety: Because every UFO in an array independently bonds its module frame to the XR rail, the completed installation contains as many parallel grounding paths as there are module clamps — typically 4–8 per module for a standard portrait-mount layout. This redundancy means the grounding system remains fully functional even if one clamp connection becomes compromised due to corrosion, loosening, or mechanical impact — a significant safety advantage over single-path grounding systems where any single failed connection can leave module frames ungrounded.

How It Works — Mid Clamp & End Clamp Installation

As a Mid Clamp (No Stopper Sleeve)
  1. Drop the UFO T-bolt into the XR rail T-slot at the mid-clamp position between two adjacent modules. The Nylok patch grips the rail and holds the UFO upright without assistance.
  2. Position the solar modules on each side of the UFO — the modules slide under the clamp head's lower lip from both sides.
  3. Hand-tighten the UFO nut to pull the clamp head down onto both module frames simultaneously. The 360° bonding washer contacts both module frames.
  4. Torque to 80 in-lbs using a torque wrench or impact driver with a torque-limiting socket. The Nylok patch auto-rotates and locks the T-bolt as the final torque is reached.
As an End Clamp (With Stopper Sleeve)
  1. Snap a Stopper Sleeve (sold separately) onto the outboard side of the UFO clamp head. The sleeve fills the side of the clamp that would otherwise contact a second module — converting the UFO into a single-sided end clamp.
  2. Drop the UFO (with Stopper Sleeve attached) into the XR rail T-slot at the end-clamp position beyond the last module in the row.
  3. Position the end module so its frame slides under the UFO clamp head on the inboard side. The Stopper Sleeve occupies the outboard side, preventing the clamp from sliding over the module edge.
  4. Torque to 80 in-lbs. The Stopper Sleeve provides a hard stop that prevents over-travel of the clamp head past the module frame edge.

Note — EFO End Clamp Alternative: IronRidge now offers the EFO™ (End Fastening Object, MPN UFO-END-01-B1 in black) — a dedicated single-piece end clamp designed to eliminate the Stopper Sleeve step. The EFO supports 30–40mm frame heights and torques to 80 in-lbs. For new installations, IronRidge recommends using UFO mid clamps + EFO end clamps as a purpose-built pair. The UFO-CL-01-B1 with Stopper Sleeve remains a fully valid and code-compliant end-clamp solution for all XR rail installations.

Technical Specifications

Manufacturer IronRidge
MPN UFO-CL-01-B1
Product Name UFO® — Universal Fastening Object | Solar Module Mid Clamp
Clamp Function Mid Clamp (Standard) | Converts to End Clamp with Stopper Sleeve (sold separately)
Compatible Frame Heights 30mm to 48mm (Universal — Single Size Fits All)
Compatible Rails IronRidge XR10 & XR100 Series Rails — Flush Mount, Tilt Mount, Ground Mount
Material Clamp Head: Aluminum | T-Bolt: 300 Series Stainless Steel | Bonding Washer: Stainless Steel
Finish Black Anodized Aluminum
Grounding System 360° Integrated Bonding Washer | UL 2703 Listed — No Separate Grounding Hardware Required
Pre-Assembly Fully Assembled | Factory Pre-Lubricated T-Bolt Threads
T-Bolt Feature Integrated Nylok Patch — Self-Standing in Rail | Auto-Rotates & Locks at Final Torque
Installation Torque 80 in-lbs (9 N·m)
Applications Residential & Commercial Pitched Roof | Tilt Mount | Ground Mount — XR Rail Systems
Also Available In Mill Finish — MPN UFO-CL-01-M1 | Dedicated End Clamp: EFO™ Black — MPN UFO-END-01-B1
Warranty 25-Year Manufacturer Warranty

Certifications & Compliance

Grounding / Bonding: UL 2703 — Module-to-Rail Integrated Bonding & Grounding System Listed
System Listing Scope: IronRidge Flush Mount, Tilt Mount, and Ground Mount Systems — All XR Rail Applications
NEC Compliance: NEC 2020 §690.43 — Module Frame Bonding | §690.47 — Grounding Electrode System
Building Codes: IBC | IRC — Via IronRidge XR System Pre-Stamped Engineering Letters (Most U.S. States)
T-Bolt Material: 300 Series Stainless Steel — Corrosion-Resistant for Coastal & High-Humidity Environments
Warranty: 25-Year Manufacturer Warranty — Free of Defects in Materials and Manufacturing

● Available | Contact us for lead time and pricing

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Customer Success Stories

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

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Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

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