These instructions are not complete and may not
contain all of the relevant information necessary
to diagnose or solve a particular problem you
face. If you have any question concerning the
correct operation or maintenance procedures,
please contact your local Cutler-Hammer
representative.
There are no understandings, agreements,
representations, or warranties expressed or
implied including warranties of merchantability
or fitness for a particular purpose other than
those specifically set forth in any separate
contract between the parties. Any such contract
states the sole obligations of Cutler-Hammer and
the contents of this document are not intended
to and shall not become part of or in any way
modify the terms set forth in such a contract.
Information in this literature is intended to be
comprehensive but not all inclusive. Should
further information be required, please contact
the nearest Cutler-Hammer sales office.
IDENTIFICATION
Each Cutler-Hammer ATSBI Switch is supplied with a
permanently affixed nameplate which provides the
user with data on that specific unit. The switch may
only be applied within the limits identified on this
nameplate without additional modification. The
catalogue number appearing on the nameplate will
provide the user with the following application
information:
The nameplate will also list the shop order number/
style number of the unit which should be referenced
when contacting the factory for technical support.
A ratings nameplate will also be affixed to the
switch identifying the withstand, interrupting, and
closing ratings for which the unit is intended.
DO NOT APPLY THIS PRODUCT AT RATINGS
WHICH EXCEED THE VALUES NOTED ON THE
RATINGS LABEL OF THIS UNIT. EXCEEDING THE
NOTED RATINGS CAN CAUSE DEATH, SERIOUS
PERSONAL INJURY OR PROPERTY DAMAGE.
DESCRIPTION
The Combination Bypass Isolation and Transfer
Switch is a completely factory assembled and tested
apparatus used in conjunction with standby power
distribution equipment to provide alternate power
availability to critical load circuits in the event or
primary power interruption and or required
maintenance activity.
It consists of three (3) basic elements. (See Fig. 1.)
1. Automatic Transfer Switch (ATS)
The ATS performs the function of monitoring both
normal and standby power sources and
accomplishing an automatic transfer of critical load
circuits between these sources as dictated by
source availability. The normal source will be the
preferred source and the ATS will remain connected
to this source if available. The ATS consists of three
basic elements:
Effective July 2007
1
I.L. 16913A
Switch Type
BIHI/5BIH3/5BIHI/4BIH3/4BIHI
Combination
Bypass
Isolation and
Transfer Switch
No. of
Switched
Poles
2 = 2 Pole
3 = 3 Pole
4 = 4 Pole
Ampere
Rating
0400
0100 = 100A
0150 = 150A
0225 = 225A
0300 = 300A
0400 = 400A
0600 = 600A
0800 = 800A
1000 = 1000A
Voltage
X
A = 120V
B = 208V
W = 240V
X = 480V
E = 600V
G = 220V
M = 230V
Z = 365V
H = 380V
N = 401V
O = 415V
Switch
Frame
F = F Frame
K = K Frame
L = L Frame
M = M Frame
N = N Frame
Enclosure
Type
S
S = Nema 1
U
U = UL
C = CSA
WARNING
