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Overview
- 8-pole, 2-phase configuration
- 600V voltage rating
- 25mm width
- Mole to Offset Bus termination
- Designed for Mersen USCC/USM fuse holders
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 |
Current Rating | 25A |
Phase | 2 |
Poles | 2P |
Poles | 8P 2PH |
Series | USBB |
Size | 25 mm |
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) | 5.57 in x 0.85 in x 1.44 in |
Package Dimensions (L x W x H) | 141.478 mm x 21.59 mm x 36.576 mm |
Package Weight (Imperial) | 0.168 lb |
Package Weight (Metric) | 0.076 kg |
FEXN-81-81-B1
Mersen's complete line of single and dual pole in-line fuseholders with integral neutral link. The fuseholders are designed for quick installation. Securing nuts or screws are captive thus speeding installation by reducing the need to locate and assemble loose components in the field. Three internal O-rings per pole seal the fuseholder providing a water-resistant compartment for the fuse. The captive O-rings are colored (blue for single pole and red for dual pole) for quick detection. Optional cone shaped insulator boots can be slipped on to provide a watertight seal (breakaway versions come with boots standard). Both single and dual pole versions have an optional breakaway feature which safely disconnects the load in case of a pole knockdown. Fuses remain safely encapsulated within the watertight fuse holder on the load side. Once the pole has been reinstalled the fuseholder can be easily reconnected. 600 Volts 30 Amps 2 pole 81-81 B1 series.
Frequently Asked Questions
What is the voltage rating for the Mersen USBB2PH25K8 busbar?
The Mersen USBB2PH25K8 busbar system is rated for 600V.
How many poles does the USBB2PH25K8 busbar system have?
The Mersen USBB2PH25K8 busbar system features an 8-pole configuration.
What type of fuse holders is the USBB2PH25K8 compatible with?
The USBB2PH25K8 busbar system is designed for use with Mersen UltraSafe Class CC (USCC) and Midget (USM) fuse holders.
What phase configuration does the USBB2PH25K8 busbar system support?
The Mersen USBB2PH25K8 busbar system is a 2-phase configuration.
Where is the Mersen USBB2PH25K8 busbar system manufactured?
The Mersen USBB2PH25K8 busbar system is manufactured in the US.
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.