Product Description

The Mersen MPDB69153 power distribution block provides a safe and easy method of splicing cables and splitting primary power into secondary circuits. It fulfills requirements for fixed junction tap-off points. This large, open-style block is UL and CSA approved, meeting spacing requirements for feeder and branch circuits. It is rated for 600 VAC and 310 A with 3 poles.

Adder poles can be stacked to form multi-pole units without tools.
Aluminum connectors accept both aluminum or copper wire.
Insulators are made of virtually unbreakable, glass-filled polycarbonate.

Product Highlights

This power distribution block features tin-plated aluminum contacts and optional polycarbonate safety covers for dead-front protection.

Product Information

Standard Information

Brand: Mersen
Manufacturer Part Number: MPDB69153
Country of Origin: Mexico

Technical Specifications

Series: MPDB
Voltage Rating: 600 VAC
Amperage Rating: 310 A
Number of Poles: 3
Wire Size: 6 AWG to 350 kcmil, 14 to 4 AWG
Short Circuit Current Rating: 100 kA
Material: Polycarbonate
Finish: TiN Coated
Color: Black
Primary Connections/Pole: 1
Secondary Connection/Pole: 12
Application: Splicing cables Splitting primary power into secondary circuits Fixed junction tap-off points.
Mounting: Screw
Standard: UL Listed to subject 1953, File E352417 unless noted otherwise CSA Certified Class 6228 01
Item Type: Open-Style Power Distribution Blocks
Depth: 3.55 in
Width: 7.89 in
Length: 5.7 in
Features: Flammability Rating 94 V-0; GFPC Insulators; 1 inch through air and 2 inches over surface spacing available
Includes: Polycarbonate Safety Covers
Max. Amps: 310 A
Standards: CSA Class 6228-01, UL 1953
Overall Depth: 3.55 in
Overall Width: 7.89 in
Overall Length: 5.7 in
RoHS Compliant: Yes
Maximum Voltage: 1,000 V AC/DC
Housing Material: GFPC
Terminal Material: Aluminum
Number of Circuits: 3
Primary Wire Range: 6 AWG to 350 kcmil
Load Side Wire Range: 14 AWG – 4 AWG
Max. Operating Temp.: 80C
Secondary Wire Range: 14 to 4 AWG
Line Connections/Pole: 1.0
Load Connections/Pole: 12.0
For Conductor Material: Aluminum
Primary Wire Range (AWG): 6 AWG to 350 MCM
Line Side Connection Type: Lug
Line Side Wire Size Range: 6 AWG – 350 kcmil
Load Side Connection Type: Lug
Secondary Wire Range (AWG): 14 to 4 AWG
Power Distribution Block Design: Open
Maximum Current – Copper Conductor: 310 A
For Line Copper Wire Size – Maximum: 350 kcmil
For Line Copper Wire Size – Minimum: 6 AWG
For Load Copper Wire Size – Maximum: 4 AWG
For Load Copper Wire Size – Minimum: 14 AWG
Maximum Current – Aluminum Conductor: 310 A
For Line Aluminum Wire Size – Maximum: 350 kcmil
For Line Aluminum Wire Size – Minimum: 6 AWG
For Load Aluminum Wire Size – Maximum: 4 AWG
For Load Aluminum Wire Size – Minimum: 14 AWG
Rated voltage AC UL: 1000 V
Rated voltage DC UL: 1000 V
Frequency (Hz): 50/60 Hz
Ampere Rating (AL): 250 A
Ampere Rating (CU): 310 A
AC or DC: AC/DC
Short Circuit Rating (Class CC): 100 kA with 30A Fuse
Short Circuit Rating (Class G): 100 kA with 60A Fuse
Short Circuit Rating (Class J): 100 kA with 400A Fuse
Short Circuit Rating (Class L): 100 kA with 400A Fuse
Short Circuit Rating (Class RK1): 100 kA with 200A Fuse
Short Circuit Rating (Class RK5): 100 kA with 100A Fuse
Short Circuit Rating (Standalone): 10 kA
Short Circuit Rating (Class T): 100 kA with 400A Fuse
Number of Openings per Pole (Primary): 1
Number of Openings per Pole (Secondary): 12
Connector Type (Primary): Box
Connector Type (Secondary): Box
Hex/Screw Size & Type (Primary): 11/16-16 x .88
Hex/Screw Size & Type (Secondary): 5/16-24 x .38
Hole Diameter (Primary): 0.75 in
Hole Diameter (Secondary): 0.27 in
Torque Rating (Primary): 350-#6 275
Torque Rating (Secondary): #4-#8 40; #10-#14 35
Wire Range (Primary): 350-#6
Wire Range (Secondary): #4-#14
Installation Mounting: Direct Screw Mount
Body/Insulating Material: Glass Filled Polycarbonate