Mersen Open-Style Power Distri...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$520.87
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Mersen Open-Style Power Distribution Block, Tin-Plated Copper

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Model: MPDB66591

In Stock (leaves warehouse same day if ordered before 3pm ET)

$520.87
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Mersen Open-Style Power Distribution Block, Tin-Plated Copper

The Mersen Open-Style Power Distribution Block (PDB) provides a safe, code-compliant method of splicing cables, splitting primary power into secondary circuits, and creating fixed junction tap-off points. Built with tin-plated copper connectors and a glass filled polycarbonate body, this block is rated 1000V AC/DC UL and 175A, with a primary wire range of 2/0-#14 and box-type primary and secondary connectors. It meets spacing requirements for feeder and branch circuits per UL508A and the National Electrical Code, and mounts via direct screw mount for straightforward panel installation.

Key Features

  • Wire Range (Primary): 2/0-#14 for flexible primary conductor sizing.
  • Ampere Rating: 175A (CU) for reliable primary-to-secondary power distribution.
  • Voltage Rating: 1000V AC UL and 1000V DC UL for demanding industrial applications.
  • Durable Construction: Tin-plated copper connectors housed in a glass filled polycarbonate body for corrosion resistance and dielectric strength.
  • Connector Type: Box-style primary and secondary connectors, 1 opening per pole (primary), for secure box-to-box splicing.
  • Installation Mounting: Direct screw mount for fast, secure panel or enclosure installation.
  • Short Circuit Ratings: 100 kA with Class G, L, T, J fuses at 200A; 100 kA with Class CC and RK5 at 30A; 100 kA with Class RK1 at 100A; 10 kA standalone.
  • Frequency & Current Type: 50/60 Hz, AC/DC operation for broad system compatibility.

Certifications & Compliance

  • UL Listed and CSA Approved
  • RoHS Compliant
  • Meets UL508A and National Electrical Code spacing requirements for feeder and branch circuits

Technical Specifications

  • Number of Openings per Pole (Primary): 1
  • ROHS Compliant: Yes
  • Connector Type (Primary): Box
  • Connector Type (Secondary): Box

Typical Applications

  • Industrial Control Panel Power Distribution
  • Splicing Feeder and Branch Circuit Cables
  • Splitting Primary Power into Secondary Circuits
  • UL508A Panel Building Applications
  • Commercial and Industrial Electrical Installations

Why Mersen?

Mersen power distribution blocks combine tin-plated copper connectors with a glass filled polycarbonate body to deliver dependable, code-compliant performance for professional electrical work. With UL and CSA approval, RoHS compliance, and short circuit ratings up to 100 kA across multiple fuse classes, this Open-Style PDB is engineered for safe, reliable power splicing in demanding industrial and commercial environments.

Manufacturer Resources

Product Specs

Rated voltage AC UL:
1000 V
Ampere Rating (CU):
175 A
Short Circuit Rating (Class G):
100 kA with 60A Fuse
Installation Mounting:
Direct Screw Mount
Short Circuit Rating (Class L):
100 kA with 200A Fuse
Hole Diameter (Primary):
0.44 in
Short Circuit Rating (Class T):
100 kA with 200A Fuse
Hex/Screw Size & Type (Primary):
3/8-24 x .56
Short Circuit Rating (Class CC):
100 kA with 30A Fuse
Number of Openings per Pole (Primary):
1
Wire Range (Primary):
2/0-#14
Short Circuit Rating (Class RK5):
100 kA with 30A Fuse
ROHS Compliant:
Yes
Frequency (Hz):
50/60 Hz
Short Circuit Rating (Standalone):
10 kA
AC or DC:
AC/DC
Short Circuit Rating (Class J):
100 kA with 200A Fuse
Connector Material:
Tin-plated Copper
Connector Type (Primary):
Box
Rated voltage DC UL:
1000 V
Connector Type (Secondary):
Box
Short Circuit Rating (Class RK1):
100 kA with 100A Fuse
Torque Rating (Primary):
2/0-#3 50; #4-#6 45; #8 40; #10-#14 20
Body/Insulating Material:
Glass Filled Polycarbonate
list_batch:
MERSEN-20260825
Department:
Electrical
Product Group:
Wiring Devices
Product Type:
Power Distribution Block

Mersen MPDB66591 – Frequently Asked Questions

How fast can I get the Mersen MPDB66591 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Mersen MPDB66591 come with a warranty?
Absolutely. The Mersen MPDB66591 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Mersen MPDB66591?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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