Power Distribution Blocks

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Typically, PDB’s facilitate getting power from the Main (high ampacity) to the Load (low ampacity), while conforming to Codes and specs.

The “Primary” is the input side of the PDB and accepts large wires from the main switch.

The “Secondary” is the output side and can usually accommodate a lot of smaller wires that continue on to the loads.

PDB - Introduction

Main PowerMain Power

Loads

3-pole PDB’s

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There are Two types of PDB’s:

PDB - Introduction

Finger-Safe Open-style

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PDB - Introduction

We have many different open-style configurations in both Aluminum and Copper

Section I of our catalog shows Mini, Intermediate and Large Configs

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Our FSPDB is our Newest style

FSPDB - Introduction

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What is it?Copper or aluminum block designed to provide a convenient method of splicing cable or splitting primary power into multiple secondary circuits.

Approved for use in UL 508A industrial control panels

Finger-safe providing protection against electrical shock

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It replaces existing open style PDB’s

Finger-Safe PDBs

FS Open-Styles to be replaced

FSPDB1A 6310x, 6315x, 6705x

FSPDB1C 6210x, 6215x, 6605x

FSPDB2A 6313x, 6316x, 6319x, 6757x

FSPDB2C 6213x, 6216x, 6219x, 6657x

FSPDB3A 6703x, 6706x, 6708x, 6709x, 6751x, 6756x, 6758x, 6761x, 6763x, 6766x, 6767x

FSPDB3C 6603x, 6606x, 6608x, 6609x, 6651x, 6656x, 6658x, 6661x, 6663x, 6666x, 6667x

FSPDB4A 6700x

FSPDB4C 6600x

FSPDB5A 6740x, 6742x, 6752x, 6905x, 6906x, 6909x, 6912x, 6965x

FSPDB5C 6640x, 6642x, 6652x, 6805x, 6806x, 6809x, 6812x, 6865x

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Wire sizes and ampacity for 75 C wire (Cu)

14 12 10 8 6 4 3 2 1 1/0

.070 .091 .112 .156 .193 .242 .270 .301 .343 .383

15 20 30 50 65 85 100 115 130 150

Size

Diameter

Amps

2/0 3/0 4/0 250 MCM 300 MCM 350 MCM 400 MCM 500 MCM

.428 .479 .536 .584 .638 .688 .735 .818

175 200 230 255 285 310 335 380

Size

Diameter

Amps

UL 508A

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FSPDB Block configuration

Primary/line side Secondary/load side

FSPDB1A, C

(1) 2/0 - #14 X (1) 2/0 - #14

FSPDB3A, C

(1) 350 - #6 & (1) 2/0 - #14

X (8) #2 - #14

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Where is it sold?

508 PANEL SHOPS

SYSTEMS INTEGRATORS

OEM’s

ELECTRICAL DISTRIBUTORS

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Why is it Sold?

Easy way to splice or split cable in electrical panels and wiring circuits.

Sell as a replacement against open style blocks because it has added safety feature

Smaller than open style blocks - Din rail mountable - Captive termination screws

SCCR requirement for UL 508 panels

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How Do You Sell It?

Sell the features

- High SCCR (100kA)

- Compact size, modular

- IP20 Finger-safe

- Din rail mountable

Sell FS services & tools

- Technical services

- Website

- Customer service after sale

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FSPDB FEATURESUL Recognized to std. 1059 and CSA certified

600V rated, 175A to 840A

IP20 Finger-Safe protection per IEC529

Short circuit current rating 100kA

Multi wire approved

Compact footprint with snap-on DIN rail mounting

Captive termination screws

Multi-pole mounting capability

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The Competition:

Major features:

- UL Recognized to std. 1059

- CSA Certified

- IP20 Finger-Safe per IEC 60529

- High SCCR (100kA)

- High strand count wire approval

(classes B, C, G, H, I, K, 1, 2, 5)

- Multi-wire approved

Marathonsp.com

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Marathon Price Comparison

Marathon 4/08 PRICE FS Equivalent 9/08 PRICE FS Avg. PriceAL Cu AL Cu AL Cu

EPBX41 $7.64 $14.73 FSPDB1 $10.95 $13.08 $6.12 $7.35EPBX44 $9.75 $20.02 FSPDB2 $13.73 $27.95 $6.83 $15.29EPBX74 $21.83 $57.00 FSPDB3 $30.56 $79.51 $19.19 $42.06

FSPDB4 $25.37 $60.16 $15.84 $36.53EPBX71 $20.25 $55.44 - - - - -

- - - FSPDB5 $57.38 $145.40 $39.88 $52.00

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Marathon/FS Footprint comparison

EPBX41 4.11" 1.33" 2.6"FSPDB1 2.86" 1" 1.95"EPBD44 4.11" 1.33" 2.6"FSPDB2 3.45" 1.12" 2.21"EPBX74 4.73" 2.27" 3.29"FSPDB3 3.97" 1.85" 2.53"

PRODUCT LENGTH WIDTH HEIGHT

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The Competition:

Major features: - UL Listed to 1953 (service entrance spacing)

- CSA Certified

- CE per IEC 60947-7-1

- IP20 Finger Safe per IEC 60529

- High SCCR (200kA)

- Multi-pole mounting capability

- Captive termination screws

- DIN rail or panel mounting

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Bussmann Price Comparison

Bussmann 7/08 PRICE FS Equivalent 9/08 PRICE FS Avg. PriceAL Cu AL Cu AL Cu

PDBFS204 $10.83 - FSPDB1 $10.95 $13.08 $6.12 $7.35PDBFS220 $16.27 - FSPDB2 $13.73 $27.95 $6.83 $15.29

- - - FSPDB3 $30.56 $79.51 $19.19 $42.06PDBFS303 $32.98 - FSPDB4 $25.37 $60.16 $15.84 $36.53PDBFS330 $41.23 - - - - - -PDBFS377 $38.51 - - - - - -PDBFS500 $73.75 - - - - - -PDBFS504 $83.88 - FSPDB5 $57.38 $145.40 $39.88 $52.00

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Bussmann/FS Footprint comparison

PDBFS204 3.37" 1.03" 2.14"FSPDB1 2.86" 1" 1.95"

PDBFS220 3.37" 1.03" 2.14"FSPDB2 3.45" 1.12" 2.21"

PDBFS303 4.67" 1.55" 2.87"FSPDB4 5.73" 1.54" 3.15"

PDBFS504 4.67" 2.56" 3.15"FSPDB5 5.71" 2.84" 3.15"

PRODUCT LENGTH WIDTH HEIGHT