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Mersen MPDB66020
UL1953 Open-Style Power Distribution Block 1000V 350A Adder 2 2/0-#14 in-2 2/0-#14 out Box/Box
Product Description
The UL1953 Open-Style Power Distribution Block is designed for efficient power distribution in electrical systems. It supports a maximum voltage of 1000V and an ampere rating of 350A. With dual 2/0-#14 wire connections for both primary and secondary outputs, this block allows for versatile electrical configurations.
This power distribution block is compliant with UL508A and the National Electrical Code®, ensuring safe operation in feeder and branch circuit applications. The MPDB Series includes options for single or dual conductor primary inputs and up to 30 secondary outputs, accommodating various installation needs.
Constructed from glass-filled polycarbonate, the insulators are designed to withstand up to 80 °C maximum operating temperature and provide robust shock resistance. The block features optional adder poles that can be stacked easily in the field without tools, allowing customization of wire combinations. Safety covers are available to enhance protection, with a test probe hole for circuit checking.
Additionally, the wire connectors are tin-plated, supporting both solid and stranded copper wire. With a short circuit rating of up to 400 kA for Class J and L, this power distribution solution meets high safety standards for demanding electrical environments.
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Offer details
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees - Availability:
- On requestLead time to be confirmed
- Warranty:
- 12 months
- Condition:
- New Factory Sealed
Specifications
- Brand
- Mersen
- 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.
- Max Operating Temp
- 80 °C
Available Offers
(1)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Factory Sealed | Availability On requestLead time to be confirmed | SupplierItalyTrusted supplier — member since 2021, 10–19 employees | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Mersen MPDB66020, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 19-09-2026
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