Mersen USFMBBC1 - USFM - BB 600V 3-Pole C1 phases
Mersen

USFMBBC1

Alternate Item Number: USFMBBC1

UPC: 782001382162

Contact for Pricing

Overview

The Mersen UltraSafe™ Fuse Module, SKU USFMBBC1, represents a pinnacle of safety and efficiency in industrial electrical protection. Engineered for seamless integration with 45mm wide IEC contactors, this 3-pole module offers robust 600V/63A protection with an IP20 rating, ensuring a secure environment for critical electrical circuits. Its innovative design prioritizes user safety and operational convenience, making it an indispensable component for a wide range of industrial applications. Mersen's commitment to advanced safety is evident in the UltraSafe™ Fuse Module's unique features. Unlike conventional fuse holders, the USFMBBC1 incorporates an optional auxiliary contact. When wired in conjunction with an adjacent contactor, this intelligent feature immediately drops out the load circuit if an attempt is made to open the fuse extractor handle, providing an unparalleled layer of protection against accidental exposure to live circuits. This proactive safety measure is crucial in high-risk industrial settings where personnel safety is paramount. Installation and maintenance are streamlined thanks to the USFMBBC1's thoughtful engineering. The module features padlock capabilities, allowing for secure lockout during maintenance procedures, further enhancing safety protocols. Compact busbars are integrated for efficient line-side terminations, simplifying wiring and reducing installation time. Furthermore, the module is designed for tool-free removal from standard DIN rails, facilitating quick and easy replacement or reconfiguration of electrical panels. These design elements contribute to reduced downtime and improved operational efficiency. Beyond its advanced safety features, the Mersen UltraSafe™ Fuse Module retains the well-regarded characteristics of the UltraSafe™ product line. These include the robust IP20 protection against solid objects greater than 12.5mm, ensuring protection against accidental contact. The easy-operating fuse extraction handles provide a secure and ergonomic grip for fuse replacement, while the optional open fuse visual indication offers immediate confirmation of fuse status, simplifying troubleshooting and maintenance. The USFMBBC1 is designed to accommodate Class CC and midget fuses, offering flexibility for various protection requirements. Mersen, a globally recognized leader in electrical protection and power management, brings its extensive expertise and reputation for quality to the USFMBBC1, ensuring reliability and performance in demanding industrial environments. This fuse module is ideal for use in motor control centers, power distribution panels, and other applications where safe and reliable fuse protection is essential.
  • Mersen UltraSafe™ Fuse Module, SKU USFMBBC1
  • Designed for 45mm wide IEC contactors
  • 600V/63A rating with 3-pole configuration
  • IP20 rated for enhanced safety
  • DIN rail mountable with integrated busbar connector terminal

Specifications

AC Voltage Rating
600 V
Amperage Rating
30 A
Amperage Rating
63 A
Application
Primarily for motor circuits to replace circuit breakers for higher SCCR ratings Other circuits up to 600 volts for control circuits, transformers, etc. Non-load disconnect Padlock compliance RECOMMENDED FUSE USAGE: USM use with: ATQ, ATM(1), A6Y-2B, A25Z-2, TRM, OTM, A13X-2, A60Q-2, DCT(1) USCC use with: ATDR, ATMR(1), ATQR (1) Recommended for DC applications
Application
Primarily for replacement of circuit breakers in motor circuits to achieve higher SCCR Circuits up to 600V for motors, control, transformers, etc… Applications requiring lock-out / tag-out procedures
Brand Name
Ferraz Shawmut
Class
Accessory
Connection Type
DIN Rail Mount
Current Rating
63 A
DC Voltage Rating
600 V
IP Rating
IP20
Mounting Type
DIN Rail
Poles
3
Series
UltraSafe
Short Circuit Rating
200 kA
Size
1.72 x 1.26 x 1.26 in
Special Features
Dedicated 3-pole fuse module Compact footprint - 45mm width IP20 Finger-safe Auxiliary contact option (1NO/1NC) Ability to padlock in Open position with 1/4" diameter shank DIN-rail mount with tool free removal Optional visual blown fuse indication
Special Features
Dedicated 3-pole fuse module Finger-safe Compact footprint with 45mm width Auxiliary contact option (1NO/1NC) Ability to padlock in OPEN position with 1/4" shank diameter DIN-rail mount with tool free removal Quick, easy fuse change Optional indicator lights
Standard
UL Listed to standard 4248-4, File E52283 CSA Certified C22.2, Class 6225, File 32169 UL Listed to standard 508, File E336456 UL Recognized Component to standard 4248-1, File E319605 UL Recognized Component to standard 4248-14, File E52283 CSA Certified C22.2, Class 6225, File 32169 IEC Compliant to 60269-2-1, 60947-3
Standard
USFMCC (Class CC Fuses) UL Listed, guide IZLT, File E52283 CSA Certified C22.2, class 6225 01, File 32169 USFM10 (Midget 10x38mm Fuses) UL Recognized Component, guide IZLT2, File E52283 CSA Certified C22.2, Class 6225 01, File 32169 IEC Certified 60269-1, 60947-3 (690VAC, 32A, 120kA)
Type
UltraSafe
Type
Busbar
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
1.73 IN x 1.73 IN x 1.26 IN
Package Dimensions (L x W x H)
4.3942 cm x 4.3942 cm x 3.2004 cm
Package Weight (Imperial)
0.200 L
Package Weight (Metric)
0.091 kg
USFM - BB 600V 3-Pole B3 phases

USFMBB3

USFM - BB 600V 3-Pole B3 phases
For use with Littelfuse FLNR_ID/FLSR_ID, IDSR, LLNRK/LLSRK and KLNR/KLSR series fuses.

LRU-2621R

For use with Littelfuse FLNR_ID/FLSR_ID, IDSR, LLNRK/LLSRK and KLNR/KLSR series fuses.

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.