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Overview
- 1-Pole, 30A, 600V AC/DC Class J Fuse Holder
- UltraSafe™ finger-safe design (IP20)
- Durable polyamide construction
- Pressure plate connection, #2 to #14 AWG wire range
- Snap-mounts on 35 mm DIN-rail; UL, CSA, IEC certified
Specifications
AC Voltage Rating | 600 V |
Amperage Rating | 30 A |
Application | 600 volt motors, transformers, lighting, heating, control circuits, general loads Non-load disconnect |
Brand Name | Mersen |
Class | Class J |
Connection | Pressure Plate |
Connection Type | Pressure Plate |
Current Rating | 30 A |
DC Voltage Rating | 600 V |
IP Rating | IP20 |
Material | Polyamide |
Maximum Operating Temperature | 80 C |
Mounting | DIN Rail |
Mounting Type | Snap-mounting on 35 mm DIN-rail |
Number of poles | 1 |
Operating Temperature, Maximum | 176 F |
Phase | 1 |
Poles | 1-pole |
Series | UltraSafe |
Size | 4.49 x 1.28 x 3.15;114.046 x 32.512 x 80.01 in;mm |
Special Features | Finger-safe IP20 protection Optional indicator lights DIN-rail mount Compact footprint Quick, easy fuse change |
Standard | UL Listed, guide IZLT File E52283 CSA Certified C22.2, class 6225 01, File 32169 IEC certified 60269-1, 60947-3 |
Sub Brand | UltraSafe™ |
Type | UL/CSA Fuse Holders |
Voltage Rating | 600 VAC |
Voltage Rating | 600 VAC/VDC |
Package Dimensions (L x W x H) | 4.49 in x 1.28 in x 3.15 in |
Package Dimensions (L x W x H) | 114.046 mm x 32.512 mm x 80.01 mm |
Package Weight (Imperial) | 0.460 lb |
Package Weight (Metric) | 0.209 kg |
LEXCYC
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E91/32SPV
E 91/32s PV is a fuseholder for overcurrent and short circuit protection in PV applications
Frequently Asked Questions
What is the voltage rating for the Mersen US3J1 fuse holder?
The Mersen US3J1 fuse holder is rated for 600V AC and 600V DC.
What is the maximum amperage for the US3J1 fuse holder?
The Mersen US3J1 fuse holder has a maximum amperage rating of 30A.
What type of fuses are compatible with the US3J1 fuse holder?
The US3J1 fuse holder is designed for Class J fuses or 22 x 58 mm French Ferrule fuses, with recommended usage for AJT, A4J, and HSJ fuse types.
How is the Mersen US3J1 fuse holder mounted?
The US3J1 fuse holder is designed for snap-mounting onto a 35 mm DIN-rail.
What wire sizes can be connected to the US3J1 fuse holder?
The US3J1 fuse holder accepts wire sizes from #2 to #14 AWG, either solid or stranded copper.
Does the US3J1 fuse holder offer finger-safe protection?
Yes, the US3J1 UltraSafe fuse holder provides finger-safe protection to an IP20 grade under IEC standards.
What certifications does the Mersen US3J1 fuse holder hold?
The US3J1 fuse holder is UL Listed, CSA Certified, and IEC Certified.
How to Install the Mersen US3J1 Fuse Holder
Step-by-step guide for installing the Mersen US3J1 UltraSafe™ Class J Fuse Holder onto a DIN rail.
Estimated time: 15m
Tools needed:
Phillips/slot head screwdriver, 35 mm DIN rail
Supplies needed:
Mersen US3J1 Fuse Holder, Appropriate Class J fuse
- Prepare the DIN Rail
Ensure a clean and properly installed 35 mm DIN rail is available at the mounting location.
- Mount the Fuse Holder
Align the snap-mounting mechanism on the back of the US3J1 fuse holder with the 35 mm DIN rail. Press firmly until the holder snaps securely into place.
- Connect Wiring
Open the pressure plate terminal covers. Insert the appropriately sized (2 to #14 AWG) solid or stranded copper wire into the terminal. Tighten the terminal screw using a Phillips or slot head screwdriver to the recommended torque (35 in-lbs for 30A models).
- Insert Fuse
Ensure the fuse holder is in the open position. Insert the correct Class J fuse (e.g., AJT, A4J, HSJ) into the designated slot. Close the fuse holder cover until it latches securely.
- Verify Installation
Confirm that the fuse holder is securely mounted to the DIN rail and that all electrical connections are tight. Check that the fuse is correctly seated and the cover is closed.
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.