Mersen, formerly Ferraz Shawmut FUSERBLOC General Product Line Information
SOCOMEC
FUSERBLOC FUSIBLE DISCONNECT SWITCHES
Ferraz Shawmut FUSERBLOC disconnect switches
are extremely durable, manually operated, fusible
disconnect switches. The switches employ double
break contacts per pole that ensure complete
isolation of the fuse when the switch is in the
OFF position. With safety in mind, all FUSERBLOC
switches are supplied with fuse covers and line
side shrouding as a standard feature. These switches provide the ultimate in short circuit protection
when used with Ferraz Shawmut’s Class CC, J or L
fuses.
These heavy-duty switches are designed with the
most up-to-date disconnect fuse and switch
technology available. Designed to meet the UL98
standard, the FUSERBLOC gives you the product
that “makes and breaks” power circuits on load.
FUSERBLOC switches are tested and approved for
use in the most demanding applications, such as
“Service Entrance”. The optional TEST function
(up to 400A) enables testing of the control circuit
auxiliaries without switching the main contacts.
This function provides a simple alternative to a
separately wired push button. A wide array of
handles are available to meet OSHA padlocking requirements, NEMA configurations, defeater
options and NFPA 79 requirements.
HIGHLIGHTS:
Double break contacts
➤
per pole up to 400 A
Touch safe fuse
➤
covers/line shrouding
standard
Service Entrance Rated
➤
Compact Footprints
➤
Front operated switches
➤
Side operated switches
➤
Defeatable pistol handles
➤
automatically re-latch
when panel door is
closed - no tool necessary
to reset latch
Test positions available
➤
up to 400A
External or direct
➤
operation handles
Flange operation
➤
APPLICATIONS:
➤
Service entrance or
main panel disconnects
up to 600VAC, 800A
“Make and Break”
➤
power circuit applications
on load
Fusible isolation switches
➤
NFPA 79 Solutions
➤
Ratings
600 VAC, 250VDC
➤
30, 60, 100, 400, 600,
➤
and 800 amperes
up to 200kA Short
➤
Circuit Rating with Class
CC, J, or L Fuses
Recommended fuse usage
.................................... use with ATDR*, ATMR, ATQR
FBCC
FBJ ................................................. use with AJT, A4J, HSJ
FBL .......................................... use with A4BQ, A4BY, A4BT
* Recommended for DC applications
Approvals
All FUSERBLOC switches
➤
meet the requirements of
UL98
UL Listed
➤
Guide WHTY,
File E191605
CSA C22.2 # 4
➤
Class 4652 04,
File 703166
IEC 947-3
➤
CE mark
K 26
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