The MERSEN MPDB67661 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 open-style block is UL and CSA approved, meeting spacing requirements for feeder and branch circuits. It has a maximum current of 310 A and is rated up to 1000V AC/DC.
Flammability Rating 94 V-0
GFPC Insulators
Includes polycarbonate safety covers
Product Highlights
The Mersen power distribution block offers a safe and efficient solution for power distribution needs with its robust design and UL/CSA approvals.
Product Information
Standard Information
Brand: MERSEN
Manufacturer Part Number: MPDB67661
Country of Origin: Mexico
Technical Specifications
Item [Specifications]
Power Distribution Block
Depth [Specifications]
3.25 in
Width [Specifications]
1.85 in
Length [Specifications]
5.0 in
Features [Specifications]
Flammability Rating 94 V-0; GFPC Insulators; 1 inch through air and 2 inches over surface spacing available
Includes [Specifications]
Polycarbonate Safety Covers
Mounting [Specifications]
Direct Screw Mount
Max. Amps [Specifications]
310 A
Standards [Specifications]
CSA Class 6228-01, UL 1953
Housing Color [Specifications]
Black
RoHS Compliant [Specifications]
Yes
Voltage Rating [Specifications]
600V AC/DC
Maximum Voltage [Specifications]
1,000 V AC/DC
Number of Poles [Specifications]
1
Housing Material [Specifications]
GFPC
Terminal Material [Specifications]
Aluminum
Number of Circuits [Specifications]
1
Primary Wire Range [Specifications]
6 AWG to 350 kcmil
Load Side Wire Range [Specifications]
14 AWG - 2 AWG
Max. Operating Temp. [Specifications]
80\nC
Secondary Wire Range [Specifications]
14 to 2 AWG
Line Connections/Pole [Specifications]
1
Load Connections/Pole [Specifications]
6
For Conductor Material [Specifications]
Aluminum
Primary Connections/Pole
1
Primary Wire Range (AWG) [Specifications]
6 AWG to 350 MCM
Length (Straight Wireway) [Specifications]
5.0 in
Line Side Connection Type [Specifications]
Lug
Line Side Wire Size Range [Specifications]
6 AWG - 350 kcmil
Load Side Connection Type [Specifications]
Lug
Secondary Connection/Pole
6
UL 94 Flammability Rating [Specifications]
V-0
Secondary Wire Range (AWG) [Specifications]
14 to 2 AWG
Power Distribution Block Design [Specifications]
Open
Maximum Current - Copper Conductor [Specifications]
310 A
For Line Copper Wire Size - Maximum [Specifications]
350 kcmil
For Line Copper Wire Size - Minimum [Specifications]
6 AWG
For Load Copper Wire Size - Maximum [Specifications]
2 AWG
For Load Copper Wire Size - Minimum [Specifications]
14 AWG
Maximum Current - Aluminum Conductor [Specifications]
310 A
For Line Aluminum Wire Size - Maximum [Specifications]
350 kcmil
For Line Aluminum Wire Size - Minimum [Specifications]
6 AWG
For Load Aluminum Wire Size - Maximum [Specifications]
2 AWG
For Load Aluminum Wire Size - Minimum [Specifications]
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
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 Poles
1-Pole
Connector Material
Tin-plated Aluminum
Number of Openings per Pole (Primary)
1
Number of Openings per Pole (Secondary)
6
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)
0.31 in
Torque Rating (Primary)
350-#6 275
Torque Rating (Secondary)
#2-#3 50; #4-#6 35; #8 25; #10-#14 20
Wire Range (Primary)
350-#6
Wire Range (Secondary)
#2-#14
Installation Mounting
Direct Screw Mount
Product Width
1.85 in
Product Length
3.08 in
Product Height
3.25 in
Product group
Power Distribution Blocks
Body/Insulating Material
Glass Filled Polycarbonate
Amp Rating
310 Amp
Phase
See Spec or N/A
All - Specific Ratings
UL508
All - Voltage
1000V AC/DC
Series
MPDB Series
Material
Polycarbonate
Short Circuit Current Rating
100 kA
Type
Power Distribution Block
Voltage Rating
1000 V
Wire Size
6 AWG to 350 kcmil
Application
Cable Splicing, Splitting Primary Power into Secondary Circuits, Fixed Junction Tap-Off Points
Standard & Approvals
RoHS Compliant, UL File No. E352417, CSA Class 6228-01, File No. 069363_0_000, CE Certified, UL94-V0 Flammability