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Blocks and Holders
POWR-BLOKS ?
Distribution/Splicer Blocks and Covers
Connectors
Box lug connectors are designed for use with a single, solid or class
B or C stranded conductor. Use of more than one conductor per
connector opening or use of extra-flexible, fine stranded conductors,
such as welding cable, voids the UL Listing, and may cause overheating.
Manufacturers of cable terminations can furnish crimp-on sleeves for
fine stranded conductors which permit these conductors to be used with
box lugs.
Ampere Ratings
The ampere rating per pole for power distribution blocks is based on
the line ampacity of 75°C insulated conductors per NEC Table 310.16. If
60°C insulated conductors are used, load must not exceed the ampacity
of 60°C conductors. Use of conductors rated in excess of 75°C is
permitted (for example 90°C), however, load must not exceed the
ampacity of 75°C conductors.
Ordering Information
Distribution Block
Splicer Block
POWR-BLOKS power distribution blocks offer a safe, convenient way
of splicing cables, providing a fixed junction tap-off point or splitting
primary power into secondary circuits. LX2xxx-DIN series offers integral
DIN-Rail mount and an optional hinged safety cover.
Applications
Typical applications include heating, air conditioning and refrigeration
systems, elevator systems, material handling equipment, control
Example Part No.
Example Part No.
panels, motor controls, switchgear, and anywhere power needs to be
distributed to more than one load.
Specifications
Note: Aluminum blocks can use copper or aluminum wire; copper blocks can
only use copper wire.
Voltage Rating:
Amperage:
Material:
600V
Based on NEC Table 310.16,
using 75°C copper wire
Phenolic rated at 150°C and Thermoplastic rated at
125°C (LD1400 and LS1300 series only)
Connector:
Flammability Rating:
Approvals:
Standard: Highly conductive aluminum, tin plated
Copper: Highly conductive copper, tin plated
94V-0
UL Recognized (File No. E171395)
CSA Certified (File No. LR700111)
? 2005 Littelfuse ? POWR-GARD ? Products Catalog
www.littelfuse.com
137
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