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MERSENOpen Blocks with Lugs

MERSEN Power Distribution Block: Open, Lug, Lug

The MERSEN Power Distribution Block: Open is an open-style power distribution block with lugs, designed for surface mounting. It accommodates line-side wire sizes from 4 AWG to 500 kcmil and is constructed with…

SKU 3G-OTH-131350

Also listed as: MPDB 67403 · MPDB-67403

Brand
MERSEN
Item
Power Distribution Block: Open, Lug, Lug
Category
Open Blocks with Lugs
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Technical Specifications

MERSEN
Manufacturer Part Number
MPDB67403
Type
Lug, Lug, 4 AWG – 500 kcmil For Line Side Wire Sizes

Technical Documents

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN Power Distribution Block: Open is an open-style power distribution block with lugs, designed for surface mounting. It accommodates line-side wire sizes from 4 AWG to 500 kcmil and is constructed with aluminum. This unit, model MPDB67403, provides a lug-to-lug connection configuration for industrial power distribution applications.

Frequently Asked Questions

What is the MERSEN MPDB67403 power distribution block used for?

The MERSEN MPDB67403 is an open-style power distribution block with lugs, used to safely distribute power from a single incoming line to multiple branch circuits in industrial control panels, switchgear, and machinery. Its aluminum construction and surface-mount design suit heavy-duty electrical distribution applications.

What are the specifications of the MERSEN MPDB67403?

The MERSEN MPDB67403 is an open power distribution block with lug-to-lug connections. It accepts line-side wire sizes from 4 AWG to 500 kcmil, is made of aluminum, and is designed for surface mounting. The manufacturer part number is MPDB67403.

Where to buy the MERSEN MPDB67403 worldwide?

3G Electric supplies the MERSEN MPDB67403 power distribution block worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this MERSEN model to any international destination.

How to install the MERSEN MPDB67403 power distribution block?

Mount the MERSEN MPDB67403 on a clean, flat surface using appropriate hardware. Connect line-side conductors (4 AWG to 500 kcmil) to the input lugs and load-side conductors to the output lugs, torquing connections per MERSEN specifications. Ensure proper clearance and follow local electrical codes for safe installation.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

3G Electric supplies MERSEN open blocks with lugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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