Cut Sheet

SEQUESTR PREFERREDCUTOUT DISCONNECTS SEQUESTR ExTERnal DiSconnEcTS
nVent.com/HOFFMANSUBJECT TO CHANGE WITHOUT NOTICEDISCONNECT5
Spec-01077 D
DISCONNECT MOUNTING SPACE
Disconnects are located by dimension E1. Wiring space W1 is
available when disconnect is installed in the enclosure.
See the Hoffman Specifier’s Guide Technical Information chapter
for E1 Spacing by Enclosure Height for various disconnect switch
manufacturers.
Refer to
National Electrical Code
®
2008 article 430.10(B) for
wiring space required for line side conductors to be connected to
disconnect.
Verify your application to determine if wiring space is
adequate.
Consult Space Occupied by Disconnect drawing to determine whether
the disconnect device you are using will fit the enclosure size you have
selected.
Consult disconnect
manufacturer for F1
and G1 dimensions.
STAINLESS STEEL SEQUESTR PREFERREDCUTOUT OVERVIEW
APPLICATION
The SEQUESTR enclosures have the standard preferred cutout on
the left-hand flange. They accept up to 200A disconnect switches
from Allen-Bradley and Schneider Square D.
SEQUESTR cutouts are designed to house the following:
Allen-Bradley
•
Bulletin 1494V DSX left-hand disconnect switches with flange-
mount variable-depth operating mechanisms and Bulletin 1494V
flange-mount variable depth operating mechanisms for circuit
breakers.
•
Bulletin 1494U Allen-Bradley universal disconnect switches
with flange-mount handles for either variable-depth or cable-
operated mechanisms.
These enclosures will NOT accept Allen-Bradley Bulletin 1494F
disconnect devices or Bulletin 1494D circuit breaker operators.
Schneider Square D
®
Class 9422 disconnect switches with flange-
mount left-hand variable-depth operating mechanisms and Class
9422 flange-mount left-hand variable-depth operating mechanisms
for circuit breakers.
These enclosures will NOT accept Square D Class 9422 bracket-
mounted disconnect devices, Class 9422TGI or TG2 devices.
ORDERING
Disconnect switch (or circuit breakers), operating handle and
operating mechanism are not furnished with enclosure. Consult the
Hoffman Specifier’s Guide Technical Information chapter for wire
bend information. Consult drawings to match the disconnect device
you are using with the correct enclosure size.
A complete assembly consists of:
1. An enclosure
2. Door interlock brackets
3. 3-point door latching system
4. Instructions to locate and install disconnect
5. Grounding hardware kit
6. Conductive panel in SEQUESTR External Disconnect
Enclosure