Mersen USFMAC11 USFM - Aux Contact EarlBreak/Late Make
Alternate Item Number: USFMAC11
UPC: 782001356668
Documents & Media
Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 1NO (late make) / NC (early break) auxiliary contact
- Designed for 45mm IEC contactors
- IP20 protection
- Suitable for DIN-rail mounting
- Ideal for control circuits and motor protection
- Compact busbars for efficient line-side terminations
- Optional open fuse visual indication available
- Designed for 45mm IEC contactors
Specifications
Amperage Rating | 5 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 | Pressure Plate |
Connection Type | Compact Busbars |
Current Rating | 5 A |
IP Rating | IP20 |
Mounting | DIN-rail |
Mounting Type | DIN-Rail |
Phase | 3 |
Series | UltraSafe Fuse Module |
Short Circuit Rating | 200 kA |
Size | 1.76 x 0.36 x 0.96 in |
Size | 45MM |
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 | 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) |
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 |
Type | Microswitches |
Type | UltraSafe |
Type Of Indicators | Microswitch |
Voltage Rating | 240 V |
Voltage Rating | 600 VAC |
Frequently Asked Questions
What types of fuses are compatible with the USFMCC module?
The USFMCC module is designed for use with Class CC fuses such as ATDR, ATMR, and ATQR.
What is the maximum voltage and amperage rating for USFM modules?
Both USFMCC and USFM10 modules have a maximum rating of 600VAC/DC and 30A.
What is the SCCR for USFMCC and USFM10 fuse modules?
The USFMCC module has an SCCR of 200kA, while the USFM10 module has an SCCR of 100kA.
Can the USFM fuse modules be mounted on a DIN-rail?
Yes, the USFM fuse modules feature tool-free removal from DIN-rail mounting.
What is the width of the Mersen UltraSafe Fuse Modules?
The UltraSafe Fuse Modules have a compact footprint with a width of 45mm.
Does the USFM module offer an auxiliary contact option?
Yes, an auxiliary contact option (1NO/1NC) is available for the USFM modules.
Can the fuse extractor handle be padlocked?
Yes, the fuse extractor handle can be padlocked in the OPEN position with a 1/4 inch shank diameter.
What is the IP protection rating of the UltraSafe Fuse Modules?
The UltraSafe Fuse Modules incorporate IP20 protection.
What is the USFMAC11 accessory?
The USFMAC11 is an accessory that provides a 1NO (late make)/NC (early break) auxiliary contact.
What is the minimum voltage required for the indicator lights to operate?
The indicator lights require a minimum of 90VAC or 115VDC to operate.
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.