
Contact for Pricing
Minimum Qty: 3
Multiplier: 3
*Contact for lower quantities*
Overview
- IP20 Finger-Safe Protection for enhanced electrical safety
- 1500V AC/DC voltage rating for high-voltage applications
- 175A current rating with wire range 2/0 AWG - #14 AWG
- Quick and easy 35mm DIN rail mounting
- Modular design for flexible panel configurations
Specifications
Amperage Rating | 175 A |
Ampere Rating (AL) | 175 A |
Ampere Rating (CU) | 175 A |
Application | Splicing cables Splitting primary power into a variety of secondary circuits Providing a fixed junction tap-off point |
Brand Name | Mersen |
Connection | Box |
Connector Type (Primary) | Box |
Connector Type (Secondary) | Box |
Mounting | Screw Mount or DIN Rail |
Number Of Terminals | 1 |
Size | 3.45 x 2.21 x 2.21 in |
Size | 87.63 x 56.134 x 56.134 mm |
Special Features | Finger-safe protection: Fully insulated block ensures touch safe isolation of live parts. Recessed termination screws and wire openings provide IP20 grade protection and qualify as “fingersafe” per IEC 529 Compact modularity: Single or multiple pole configurations in the most compact footprint. Allows users to build smaller or higher density panels Snap on DIN-rail mounting: Sizes 1 to 4 feature integral DIN rail adaptors allowing for quick and easy installations on 35mm DIN rail yielding lower installed costs Captive termination screws: Unique channel design ensures captive metric wire termination screws. Screws can never be lost Available accessories: For multi-pole panel mounting, simply snap in pins for rigid fit. Cap plugs provide the ability to maintain touch safety on unused openings. Circuit identification markers simply snap into blocks to ID circuits. End anchors provide rigid end stops Multiple wire ratings: Provide users more versatility by offering capability of using multiple conductors in #2 and 2/0 openings AC & DC ratings: FSPDB1, 2, and 3 have been evaluated for use at 1500V (AC or DC) provided they are installed on DIN-rails only and with proper barriers and spacing between poles of opposite polarity |
Standard | UL Recognized Component Guide XCFR2, File E73571 CSA Certified: Class 6228, File 69363 IEC-947-7-1, 529, 68-2-6, CE Marked |
Type | Finger-Safe (IP20) Power Distribution Blocks |
Voltage Rating | 1500 V |
Wire Range (Primary) | 2/0 - #14 |
Wire Range (Secondary) | #2 - #14 |
Package Dimensions (L x W x H) | 3.45 in x 2.21 in x 2.21 in |
Package Dimensions (L x W x H) | 87.63 mm x 56.134 mm x 56.134 mm |
Package Weight (Imperial) | 0.450 lb |
Package Weight (Metric) | 0.204 kg |

FG1
Control Transformer Accessories - Optional Unfused Finger Guard Kits, 50 VA, For AJ, AR, MQMJ, MEMX, QR, SP, PG, PP Suffixes
LB94914
Self-Sticking Polyester Safety Labels, Polyester 7 x 5, Legend WARNING Arc Flash Hazard, Black on Orange
SMS196-9-DH
SMS Series Vinyl Sleeve Marker - Closed Spring-Action, Recommended Wire Diameter .059 - .197 inches, Wire Range 16-10AWG, Color White, Legend -, Packaging Bag
SMC118-9-7
SMC Series Vinyl Sleeve Clip On Marker - Open Clip-On, Recommended Wire Diameter 0.094 -.118 inches, Wire Range 18-16AWG, Color White, Legend 7, Packaging Strips
SMC118-9-A
SMC Series Vinyl Sleeve Clip On Marker - Open Clip-On, Recommended Wire Diameter 0.094 -.118 inches, Wire Range 18-16AWG, Color White, Legend A, Packaging StripsFrequently 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.

























