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Mersen USBB1PH25K4 - 4P 1PH 600VAC/1000VDC BUSBAR
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Mersen USBB1PH25K4 4P 1PH 600VAC/1000VDC BUSBAR

Alternate Item Number: USBB1PH25K4

UPC: 782001447496


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Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen USBB1PH25K4 is a US-made 1-phase busbar system designed for efficient circuit distribution. This 4-pole busbar features a 25mm² copper cross-section with a 17.8mm pitch, offering a compact and reliable solution for electrical panels. Rated for 600 VAC and 1000 VDC, it is compatible with Mersen's UltraSafe Class CC (USCC) and Midget (USM) fuse holders, ensuring touch-safe operation and shock resistance. The USBB series, including this 1-phase configuration, significantly reduces installation time compared to traditional wiring, saving valuable space in control panels, motor control centers, and distribution boards. Manufactured in the USA, the USBB1PH25K4 meets Standard 508, File E348854. It is part of a versatile series available in 1-, 2-, and 3-phase configurations with varying pole counts. Protective covers (USBBPC) and end caps (USBB1PHEC) are available separately for enhanced safety and completion. Ideal for applications requiring organized, safe, and space-saving power distribution.
  • 4-Pole, 1-Phase Busbar System
  • 25mm² Copper Cross Section
  • 17.8mm Pitch
  • 600 VAC / 1000 VDC Voltage Rating
  • Fuse Holder Compatible (USCC/USM)

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
DC Voltage Rating
1000 V
Phase
1
Poles
4P 1PH
Series
USBB
Size
3.11 x 0.69 x 0.65 in
Size
78.994 x 17.526 x 16.51 mm
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
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
Standard
UL Listed to standard UL508, File E348854 IEC Compliant to standard 60947-2
Standard
• UL Listed to Standard 508, File E348854 • IEC Compliant
Type
UltraSafe Accessories
Type
Busbar
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
3.11 in x 0.69 in x 0.65 in
Package Dimensions (L x W x H)
78.994 mm x 17.526 mm x 16.51 mm
Package Weight (Imperial)
0.051 lb
Package Weight (Metric)
0.023 kg
Cover DFC Series 600VAC 200A Class J

DFC-12

Cover DFC Series 600VAC 200A Class J
Solid link for class J fuse 200A x3

37999020

Solid link for class J fuse 200A x3
Fuse Display

FSFD

Fuse Display
Open-Style PDB UL 1953 1000V

MPDBC692W

Open-Style PDB UL 1953 1000V
The Mersen P092496 is a high-quality industrial component designed for demanding applications. Engineered for reliability and durability, this product meets stringent performance standards, ensuring optimal operation in harsh environments. Trusted by professionals worldwide, Mersen's expertise in industrial solutions guarantees exceptional performance and longevity. Whether for manufacturing, energy, or infrastructure, the P092496 delivers consistent results, making it an ideal choice for critical applications.

P092496

The Mersen P092496 is a high-quality industrial component designed for demanding applications. Engineered for reliability and durability, this product meets stringent performance standards, ensuring optimal operation in harsh environments. Trusted by professionals worldwide, Mersen's expertise in industrial solutions guarantees exceptional performance and longevity. Whether for manufacturing, energy, or infrastructure, the P092496 delivers consistent results, making it an ideal choice for critical applications.
PIECE DE CONTACT 160A N. PLIEE

64090003

PIECE DE CONTACT 160A N. PLIEE
MACHOIRE NUE T1E AVEC 2 CLIPS

64190003

MACHOIRE NUE T1E AVEC 2 CLIPS
IP20 kit for fuse base T0 1P 160A

65111010

IP20 kit for fuse base T0 1P 160A

Frequently Asked Questions

What is the maximum voltage rating for the USBB bus bar system?

The USBB bus bar system has a maximum rating of 600VAC and 1000VDC.

What is the amperage rating for the end feed and center feed bus bars?

The end feed bus bar is rated for 100A, while the center feed bus bar is rated for 200A.

What is the SCCR for the USBB bus bar system?

The SCCR is 10kA, and 100kA when used with a 200A J Fuse.

What types of fuse holders are compatible with the USBB system?

The USBB system is intended for use with UltraSafe Class CC (USCC) and Midget (USM) fuse holders.

What are the benefits of using the USBB bus bar system?

It decreases installation time, saves panel space, and offers touch-safe, shock-resistant solutions.

What phase configurations are available for the USBB bus bar system?

The USBB bus bar system is available in 1-, 2-, and 3-phase designs.

What is the cross-section and pitch for the USBB1PH25K4 bus bar?

The USBB1PH25K4 bus bar has a cross-section of 25mm2 and a pitch of 17.8mm.

What is the wire range and torque for the USBBC1 feeder terminal?

The USBBC1 feeder terminal accepts a wire range of 10 - 1/0 AWG and requires a torque of 50 lb-in.

What is the maximum amperage for the USBB Feeder Terminal?

The USBB Feeder Terminal has a maximum amperage rating of 115A.

Is the USBB bus bar system RoHS compliant?

Yes, the USBB bus bar system is environmentally conscious, RoHS compliant, and lead-free.

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.