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Minimum Qty: 50
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Overview
- 6-pole, 1-phase busbar
- Rated for 600VAC and 1000VDC
- Compatible with Mersen USCC and USM fuse holders
- Compact design reduces panel space
- Touch-safe connections for enhanced safety
Specifications
Amperage Rating | 200 A |
Application | Applications where Mersen USM/USCC fuseholders are in use UL 508 panels Solar string combiner boxes Control panels Power distribution panels |
Brand Name | Ferraz Shawmut |
Class | Accessory |
Connection | Comb Bus Bar |
Phase | 1 |
Poles | 6P 1PH |
Poles | 6 |
Poles | 6P |
Series | UltraSafe |
Series | USBB UltraSafe |
Series | USBB |
Special Features | • Decrease installation time compared to wire solutions • Save panel space with compact design and footprint • Reduce shock hazards with touchsafe cover (included) • Environmentally conscious, RoHS compliant and lead free • Cuttable design offers flexibility |
Standard | UL Listed to standard UL508, File E348854 IEC Compliant to standard 60947-2 |
Type | UltraSafe Accessories |
Voltage Rating | 600 VAC |
Package Dimensions (L x W x H) | 4.17 in x 0.59 in x 0.61 in |
Package Dimensions (L x W x H) | 105.918 mm x 14.986 mm x 15.494 mm |
Package Weight (Imperial) | 0.079 lb |
Package Weight (Metric) | 0.036 kg |

LEXAA
The Littelfuse 600 V in-line watertight fuse holders are the ideal answer for all high humidity and corrosive environments where fuses are required. Available in both breakaway and non-breakaway, single and double pole versions, these fuse holders allow maximum flexibility for any application.
3007N32P009
NEMA power devices. GPC accessory kits. NEMA combo starters. FUSEHOLDER 3 POLE REJECTION.Frequently Asked Questions
What is the voltage rating for the Mersen USBB1PH25K6 busbar?
The Mersen USBB1PH25K6 busbar is rated for 600VAC and 1000VDC.
What Mersen fuse holders are compatible with this busbar?
The USBB1PH25K6 busbar is designed for use with Mersen UltraSafe Class CC (USCC) and Midget (USM) fuse holders.
Where is the Mersen USBB1PH25K6 busbar manufactured?
The Mersen USBB1PH25K6 busbar is manufactured in the US.
What is the primary benefit of using this busbar system?
This busbar system facilitates efficient power distribution, offering a compact alternative to traditional wiring that reduces panel space and simplifies installation.
Frequently Asked Questions about Mersen
What industries and applications are Mersen products used for?
Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.
What are the main product lines offered by Mersen?
Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.
What are the key features of Mersen products?
Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.
What environmental ratings do Mersen products have?
Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.
What accessories are available for Mersen products?
Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.
How are Mersen products typically installed?
Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.
What certifications and standards do Mersen products comply with?
Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.
What technical support does Mersen offer?
Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.




