Mersen, formerly Ferraz Shawmut FSPDB Catalog
FSPDB Finger-Safe Power Distribution Blocks
Safety evolving
Mersen FSPDBs introduce a new level of safety and ease for installing power
distribution blocks. An IP20 level of nger-safe protection is achieved using FSPDBs,
eliminating the need for special covers or custom Plexiglas sheets to protect your
panels. FSPDBs (sizes 1 to 4) simply snap onto 35mm DIN rail to provide the quickest
installation. Modular design also allows for multi pole applications by use of assembly
pins. FSPDBs provide a safe, convenient way of splicing cables, splitting primary power
into a variety of secondary circuits or providing a xed junction tap-off point.
Features/Benefits:
• Finger-safe protection
Fully insulated block ensures touch safe isolation of live parts. Recessed
termination screws and wire openings provide IP20 grade protection and
qualify as “nger-safe” per IEC 529.
• Compact modularity
Single or multiple pole congurations in the most compact footprint. Allows
users to build smaller or higher density panels.
• Snap on DIN-rail mounting
Sizes 1 to 4 feature integral DIN rail adaptors allowing for quick and easy
installations on 35mm DIN rail yielding lower installed costs.
• Captive termination screws
Unique channel design ensures captive metric wire termination screws.
Screws can never be lost.
• Available accessories
For multi-pole panel mounting, simply snap in pins for rigid t. Cap plugs
provide the ability to maintain touch safety on unused openings. Circuit
identication markers simply snap into blocks to ID circuits. End anchors
provide rigid end stops.
• Multiple wire ratings
Provide users more versatility by offering capability of using multiple
conductors in #2 and 2/0 openings.
• AC & DC ratings
FSPDB1, 2, and 3 have been evaluated for use at 1000V (AC or DC)
provided they are installed on DIN-rails only and with barriers between
poles of opposite polarity of sufcient size to maintain required spacings.
Ratings:
Volts : 600V
Amps: : 175 to 840A
SCCR : 100kA with proper fuse.
Contact Technical Services for
instruction sheet and/or DC
Ratings.
Approvals:
• UL Recognized Component
Guide XCFR2, File E73571
• CSA Certied: Class 6228, File
69363
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FSPDB Finger-Safe Power Distribution Blocks
Catalog Numbers
Catalog Number Ampere
Aluminum Copper Wire Range Wire Range
(Connector
rated for 90° C
Cu/AL wire)
FSPDB1A FSPDB1C 175 2/0-#14 70-2.5 1 2/0-#14 70-2.5 1 100kA
FSPDB2A FSPDB2C 175 2/0-#14 70-2.5 1 #2-#14 35-2.5 4 100kA
FSPDB3A FSPDB3C 310
FSPDB4A FSPDB4C 335 400-#6 185-16 1 400-#6 185-16 1 100kA
FSPDB5A FSPDB5C 840 600-#4 300-25 2 600-#4 300-25 2 100kA
•
Contact Mersen Technical Services at technicalservices.nby@mersen.com for fuse type and maximum ampere required.
Multiple Wire Ratings (Same Size & Type Wires Only)
(2) #4 AWG (2) #10 AWG (2) #6 AWG (2-4) #12 AWG
(2) #6 AWG (2) #12 AWG (2) #8 AWG (2-4) #14 AWG
(2) #8 AWG (2) #14 AWG (2-4) #10 AWG
(Connector
rated for 75° C
Cu wire only)
2/0 Openings #2 Openings
Rating
(Based on NEC
Table 310-16 for
75° C Cu wire
only)
AWG/ mm2 Openings
350-#6 185-16
2/0-#14 70-2.5
Dimensions
FSPDB1A FSPDB2A FSPDB3A FSPDB4A FSPDB5A
Dimension
A 25.4 1.00 28.4 1.12 46.9 1.85 39 1.54 72 2.84
B 43.3 1.70 57.8 2.28 64.3 2.53 108 4.25 91 3.58
C 49.5 1.95 56.0 2.21 64.3 2.53 80 3.15 80 3.15
D 45.1 1.78 51.6 2.03 59.8 2.36 75.5 2.97 - -
E 39.4 1.55 39.4 1.55 51.5 2.03 50.1 1.97 50.1 1.97
F 72.6 2.86 87.7 3.45 100.8 3.97 145.5 5.73 145 5.71
G 59.6 2.35 74.6 2.94 82.4 3.24 120.6 4.75 127.5 5.02
H 5.3 0.21 5.1 0.20 6.5 0.26 7 0.28 3 0.12
I - - - - 31.5 1.24 - - 52 2.04
J 5.3 0.21 6.4 0.25 6.5 0.26 6.5 0.26 6.5 0.26
K 10 0.40 11.7 0.46 8.9 0.35 16 0.63 8.5 0.34
FSPDB1C FSPDB2C FSPDB3C FSPDB4C FSPDB5C
Figure 1 Figure 1 Figure 2 Figure 1 Figure 2
mm in mm in mm in mm in mm in
Line Load
AWG/
kcmil
1 #8-#14 8-2.5 8 100kA
mm2
Accessories
Catalog No. Description
FSPIN1
FSCIM1
FSCIM2
FSCAP1 Cap plug for spare 2/0 openings
FSCAP2 Cap plug for spare 350 kcmil openings
FSCAP3 Cap plug for spare 600 kcmil opening
FSEA Pair of end anchors
Openings
Per Pole
Accessory pin to form multiple pole
block
Circuit identification marker for 2/0 &
#2 max. conductors (Qty of 100)
Circuit identification marker for 350,
400 & 600 kcmil max. conductors (Qty
of 100)
Short
Circuit
Current
Rating
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