Mersen MPDB69282 - Open-Style PDB UL 1953 1000V 445A Tin-plated Aluminum - 545A 2-Pole 1 - 1 openings; 1000-250 --- 1/2-13 x 1-3/8 Box to Stud
Mersen

MPDB69282

Alternate Item Number: MPDB69282

UPC: 782001455613

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Overview

The Mersen MPDB69282 is a Next Generation Power Distribution Block (PDB) from the large MPDB69 series, engineered for robust power distribution applications. This 2-pole, open-style block is constructed from tin-plated aluminum, ensuring reliable conductivity and durability. It boasts a substantial voltage rating of 1000V and a continuous current rating of 445A, with a higher short-term rating of 545A. Designed to meet UL 1953 standards, this PDB facilitates safe and efficient cable splicing, splitting primary power into secondary circuits, and fulfilling requirements for fixed junction tap-off points. It adheres to UL508A and National Electrical Code® spacing requirements for feeder and branch circuits. The MPDB69282 features a box-to-stud connection type, specifically a 1/2-13 x 1-3/8 stud size for primary connections. It offers one primary input and one opening for secondary circuits, making it suitable for applications requiring straightforward power splitting. The MPDB series, to which this unit belongs, is available in three size categories: miniature (MPDB62 and MPDB63), intermediate (MPDB66 and MPDB67), and large (MPDB68 and MPDB69). Both aluminum and copper options are available across the series. Mersen power distribution blocks are UL and CSA approved, providing assurance of safety and compliance for critical electrical installations. The SKU for this specific model is MPDB69282, and it is manufactured in Germany (DE).
  • Mersen MPDB69282 Open-Style Power Distribution Block
  • 1000V Voltage Rating, 445A Continuous Current Rating (545A short-term)
  • Tin-plated Aluminum Construction for reliable conductivity
  • 2-Pole configuration with Box to Stud connection type
  • UL 1953 and UL508A compliant for safe power distribution

Specifications

Amperage Rating
445 A
Ampere Rating (AL)
445 A
Ampere Rating (CU)
545 A
Application
Splicing cables Splitting primary power into secondary circuits Fixed junction tap-off points.
Brand Name
Mersen
Connection
Box To Stud
Connector Type (Primary)
Box
Connector Type (Secondary)
Stud
Material
Tin-plated Aluminum
Mounting
Direct Screw Mount
Mounting
Screw
Number Of Terminals
2-pole
Number Of Terminals
2
Size
5.7 x 5.31 x 3.55;144.78 x 134.874 x 90.17 in;mm
Special Features
Adder Poles: All sizes have optional adder poles for increased flexibility and ease-of-use. Adder poles can be stacked to form multi-pole units in the field without the use of tools. Adder poles allow for customization of primary and secondary wire combinations. End barriers are also available for sale, catalog numbers can be found in the catalog number selection tables for each size block. Wire Connectors: Standard aluminum and copper wire connectors are available. Aluminum connectors accept both AL or CU wire while copper connectors accept CU wire only. Connectors are all 1-piece tin-plated. Many part numbers are rated to accept DLO-type fine-strand wire, allowing users to connect flexible conductors. Insulators: Insulators are virtually unbreakable, made of glass-filled polycarbonate. “See-through,” hinged safety covers are optional and provide a greater degree of safety and shock resistance where required. Hinged covers can be installed without tools. Spacings: 1 inch through air and 2 inches over surface between uninsulated live parts of opposite polarity meets requirements for feeder and branch circuit applications of UL508A. Safety Covers: Polycarbonate safety covers provide dead-front protection. One cover is needed for each pole. Each cover has a test probe hole in the center for circuit checking. Covers are optional accessories and catalog numbers can be found in the catalog selection tables for each size block.
Standard
UL Listed to subject 1953, File E352417 unless noted otherwise CSA Certified Class 6228 01
Type
Open-Style Power Distribution Blocks
Voltage Rating
1000 V
Wire Range (Primary)
1000-250
Wire Range (Secondary)
1/2-13 x 1-3/8
Package Dimensions (L x W x H)
5.7 in x 5.31 in x 3.55 in
Package Dimensions (L x W x H)
144.78 mm x 134.874 mm x 90.17 mm
Package Weight (Imperial)
3.700 lb
Package Weight (Metric)
1.678 kg
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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.