Mersen USBBESB1 USBB FEEDER TERMINAL 115A 1000
Alternate Item Number: USBBESB1
UPC: 782001449308
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Minimum Qty: 10
Multiplier: 10
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Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 115A Maximum Current Rating
- 1000VDC/VAC Voltage Rating
- Accommodates 14-1 AWG Copper Conductors (75°C)
- Designed for Mersen UltraSafe Class CC & Midget Fuse Holders
- UL Listed to Standard 508 (File E348854) & IEC Compliant
Specifications
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 |
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) | 1.57 in x 1.13 in x 1.17 in |
Package Dimensions (L x W x H) | 39.878 mm x 28.702 mm x 29.718 mm |
Package Weight (Imperial) | 0.068 lb |
Package Weight (Metric) | 0.031 kg |

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The innovative and comprehensive Modulostar® range of Mersen fuse-holders. Modular fuse-holders are finger-safe under IEC standards to an IP20 grade of protection, including fuse changing (with the flick of a finger). Modular fuse-holders are available in 1, 2, 3 or 4 poles, with or without visual blown fuse indicator, in IEC version or IEC + UL version. Multi-pole units can also be field assembled by ordering pin-ties assembly kit. In size 14 or 22, the range also offers the possibility to use microswitches (supplied with the holders or ordered separately) to allow remote indication. Modulostar® range is made of tough and durable thermoplastic or thermoset material. 600 Volts 50 Amps 1 pole pin tie kit .Frequently Asked Questions
What is the voltage rating for the USBB bus bar system?
The USBB bus bar system is rated for 600VAC and 1000VDC.
What are the amperage ratings for the USBB bus bar?
The USBB bus bar has an amperage rating of 100A for end feed and 200A for center feed.
What is the SCCR for the USBB bus bar system?
The SCCR for the USBB bus bar system is 10kA and 100kA when used with a 200A J Fuse.
What is the maximum amperage for the USBB feeder terminal?
The USBB feeder terminal has a maximum amperage rating of 115A.
What is the SCCR for the USBB feeder terminal?
The SCCR for the USBB feeder terminal 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 phase configurations are available for the USBB bus bar?
The USBB bus bar systems are available in 1-, 2-, and 3-phase designs.
What is the wire range for the USBBC1 feeder terminal?
The USBBC1 feeder terminal accommodates wire sizes from 10 to 1/0 AWG.
What is the wire range for the USBBESB1 feeder terminal?
The USBBESB1 feeder terminal accommodates wire sizes from 14 to 1 AWG.
What is the torque specification for the USBBC1 feeder terminal?
The torque specification for the USBBC1 feeder terminal is 50 lb-in.
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.





