MPDB Series
Open-Style Power Distribution Blocks
POWER DISTRIBUTION BLOCKS
THE NEXT GENERATION
POWER DISTRIBUTION BLOCK (PDB)
RATINGS:
• Volts: 1000VAC/DC
• Amps: 65 to 2260A based on
NEC table 310.15(B)(16) 75ºC
ampacities
• SCCR: 100kA with properly
sized fuse (See Mersen’s PDB
SCCR guide at ep.mersen.com
or contact Mersen Technical
Services)
Mersen power distribution blocks provide a safe and easy method of
splicing cables, splitting primary power into secondary circuits and
fulfilling requirements for fixed junction tap-o points. Unless noted
otherwise, all blocks are UL and CSA approved while meeting spacing
requirements for feeder and branch circuits in conjunction with
UL508A and the National Electrical Code®. PDB options include single
or dual conductor primary inputs and up to 30 secondary outputs.
Specialty blocks are available allowing for up to 7 primary inputs. The
MPDB series is oered in three size categories: miniature (MPDB62
and MPDB63 series), intermediate (MPDB66 and MPDB67 series), and
large (MPDB68 and MPDB69 series), in both aluminum and copper.
FEATURES/BENEFITS:
• 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. (Continued on next page.)
APPROVALS:
• UL Listed to subject 1953,
File E352417 unless noted
otherwise
P
• CSA Certified Class 6228 01
D
PD 4
© 2019 Mersen. All rights reserved. Mersen reserves the right to change, update,
or correct, without notice, any information contained in this datasheet.
POWER DISTRIBUTION
BLOCKS
Open-Style Power Distribution Blocks
MPDB
FEATURES/BENEFITS (CONTINUED):
• 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.
ADDITIONAL SPECIFICATIONS:
Wire Type: Copper Blocks: 60/75ºC Solid/Stranded CU; Aluminum Blocks: 60/75/90ºC Solid/Stranded
AL and CU
Connector: Copper Blocks: Highly conductive tin-plated copper; Aluminum Blocks: Highly conductive
tin-plated aluminum
Insulating Material: Glass-filled polycarbonate with verified dielectric strength in excess of 2500V
Flammability: UL94-V0
Mounting: Direct panel mount
Environmental: RoHS compliant, Lead Free
PART SELECTION NOTES
MPDBs in each size category come in one, two, and three pole configurations (ending in -1, -2, and -3
accordingly). Users also have the ability to field install additional poles, end barriers, and safety covers.
Safety Cover
Optional, snap-on, hinged safety cover
MPDBC6263 Miniature Series
MPDBC6667 Intermediate Series
MPDBC6869 Large Series
End Barrier
Snap-on to Adder pole to complete assembly
MPDBE6263 Miniature Series
MPDBE6667 Intermediate Series
MPDBE6869 Large Series
Adder Pole
Snap-on Adder
poles to fully
assembled units
to add additional
poles in the field.
Adder pole catalog
numbers in all.
Adder Pole
Field assemble
Adder poles to form
multi-pole units.
P
D
PD 5
MPDB62 AND MPDB63
POWER DISTRIBUTION
Open-Style Power Distribution Blocks
CATALOG NUMBERS, MINIATURE ALUMINUM MPDBs ,
BOX-BOX CONFIGURATION
Line Side Load Side Catalog Numbers Ampere Rating per Pole
Wire Range
4 -14 1 4-14 1 MPDB63100 MP DB63101 MPDB63102 MPDB63103 85 65
4 -14
6-14 (DLO) 6-14 (DLO) 65 (DLO)
2/0-14
1/0-14 (DLO) 1/0-14 (DLO) 125 (DLO)
2/0-14
1/0-14 (DLO) 3-14 (DLO) 125 (DLO)
2/0-14
1/0-14 (DLO) 6-14 (DLO) 125 (DLO)
(DLO) Indicates Ampere Rating or Wire Range applicable to DLO class wire.
Openings
per Pole
1
1
1
1
Wire Range
4 -14
2/0-14
2-14
4 -14
Openings
per Pole
4 MPDB63160 MPDB63161 MPDB63162 M PDB63163
1 MPDB63150 MPDB63151 MPDB63152 MPDB63153
2 MPDB63190 MPDB63191 MPDB63192 MPDB63193
4 MPDB63130 MP DB63131 MPDB63132 MPDB63133
ADDER 1- P 2-P 3-P Cu Wire Al Wire
85
175
175
175
CATALOG NUMBERS, MINIATURE ALUMINUM MPDBs ,
BOX-STUD CONFIGURATION
Line Side Load Side Catalog Numbers Ampere Rating per Pole
Wire Range
2/0-14 1 1/4" - 20 x 5/8" 1 MPDB63140 MPDB63141 MPDB63142 MPDB63143 175 135
Openings
per Pole
Stud Size
Studs
per Pole
ADDER 1- P 2-P 3-P Ratings (Cu) Ratings (Al)
BLOCKS
65
135
135
135
P
D
CATALOG NUMBERS, MINIATURE COPPER MPDBs ,
BOX-BOX CONFIGURATION
Line Side Load Side Catalog Numbers Ampere Rating per Pole
Wire Range
4 -14 1 4-14 1 MPDB62100 M PDB 62101 MPDB62102 MPDB62103 85
4 -14 1 4-14 4 MPDB62160 MPDB62161 M PDB62162 MPDB62163 85
2/0-14 1 2/0-14 1 MPDB62150 MPDB62151 MPDB62152 MPDB62153 175
2/0-14 1 2-14 2 MPDB62190 MPDB62191 MPDB62192 MPDB62193 175
2/0-14 1 4 -14 4 MPDB62130 MPDB62131 MPDB62132 MPDB62133 175
(DLO) Indicates Ampere Rating or Wire Range applicable to DLO class wire.
Openings
per Pole
Wire
Range
Openings
per Pole
ADDER 1- P 2-P 3-P Rating (Cu)
CATALOG NUMBERS, MINIATURE COPPER MPDBs ,
STUD-STUD CONFIGURATION
Line Side Load Side Catalog Numbers Ampere Rating per Pole
Stud Size
1/4"-20 X 5/8" 1 1/4"-20 X 5/8" 1 MPDB62200 MPDB62201 MPDB62202 MPDB62203 240 24 0
Hinged Safety Cover for MPDB62 and MPDB63 series: Catalog number MPDBC6263
End Barrier for MPDB62 and MPDB63 series: Catalog Number MPDBE6263
Studs
per Pole
Stud Size
Studs
per Pole
ADDER 1- P 2-P 3-P Ratings (Cu) Ratings (Al)
PD 6