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Overview
- 12-pole, 3-phase busbar system
- 25mm² copper cross-section
- 17.8mm pitch
- 600V rating
- Designed for Mersen UltraSafe fuse holders
Specifications
AC Voltage Rating | 600 V |
Amperage Rating | 200 A |
Application | • UL 508 panels • Solar string combiner boxes • Control panels • Power distribution panels |
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 |
Connection Type | Busbar |
Current Rating | 25 A |
DC Voltage Rating | 1000 V |
Material | Copper |
Phase | 3 |
Poles | 12P 3PH |
Poles | 3PH |
Series | USBB |
Size | 25 mm |
Size | 81mm width, 35mm² cross-section |
Size | 16.43 x 0.85 x 1.38 in |
Size | 417.322 x 21.59 x 35.052 mm |
Special Features | • Decrease installation time compared to wire solutions • Save panel space with compact design and footprint • Reduce shock hazards with touch-safe cover (included) • Environmentally conscious, RoHS compliant and lead free • Cuttable design offers flexibility |
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 508, File E348854 • IEC Compliant |
Standard | UL Listed to standard UL508, File E348854 IEC Compliant to standard 60947-2 |
Type | Busbar |
Type | UltraSafe Accessories |
Voltage Rating | 600 VAC |
Package Dimensions (L x W x H) | 16.43 in x 0.85 in x 1.38 in |
Package Dimensions (L x W x H) | 417.322 mm x 21.59 mm x 35.052 mm |
Package Weight (Imperial) | 0.432 lb |
Package Weight (Metric) | 0.196 kg |
Frequently Asked Questions
What is the rated current for this busbar?
The USBB3PH25K12 has a rated current of 25A.
What is the cross-sectional area of the busbar?
The cross-sectional area is 35mm².
What fuse holders is this busbar compatible with?
This busbar is designed for use with Mersen UltraSafe Class CC (USCC) and Midget (USM) fuse holders.
What is the voltage rating of this busbar?
The busbar is rated for 600V.
What is the weight of the USBB3PH25K12?
The weight of the busbar is 640g.
What is the width of the busbar?
The width of the busbar is 81mm.
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.