Eaton AB De-ion Manual

Contents
Description Page
Trip Unit Assembly ..........4
Installation ................4
Effective August 2011
Supersedes IL 15560B Dated 1/90
Instruction Leaflet IL15560C
AB De-ion® Circuit Breaker
Type PB-DC (Mag. Only)

2
Instruction Leaflet IL15560C
Effective August 2011
AB De-ion® Circuit Breaker
Type PB-DC (Mag. Only)
EATON CORPORATION www.eaton.com
3 Poles
VoltageRating 500 VDc
Current RatingType PB
- DC 1600, 2000, 2500 Amperes (Mag. Only)
NOTE: Suitablefor 600 VDc Max.duringbatterycharge
cycle.
DO NOTATTEMPT TO INSTALL OR PERFORM MAIN-
TENANCE ON EQUIPMENTWHILE IT IS ENERGIZED.
DEATH,SEVERE PERSONAL INJURY, OR SUBSTAN-
TIAL PROPERTY DAMAGE CAN RESULTFROM CON-
TACT WITH ENERGIZED EQUIPMENT. ALWAYS VER-
IFY THAT NOVOLTAGE IS PRESENT BEFORE PRO-
CEEDING WITH TASK, AND ALWAYS FOLLOW GEN-
ERALLY ACCEPTED SAFETY PROCEDURES.
EATON IS NOT LIABLE FORTHE MISAPPLICATION
MISINSTALLATIONOFITS PRODUCTS.
The user is cautioned to observe all recommendations,
warnings, and cautions relating to the safety of person-
nel and equipment, as well as, all general and local
health and safety laws, codes and procedures.
The recommendations and information contained herein
are based on Eaton experience and judgement, but
should not be considered to be all-inclusive or covering
every application or circumstance which may arise. If
any questions arise, contact Eaton for further information
or instructions.
!WARNING
Type AB
" De - ion " circuit breakers are large, completely enclosed
devices equipped with
" De - ion " arc chambers and interchangeabletrip
units.The
" De - ion " chamber effectivelyinterrupts a short circuit without
outward disturbance.
When the breakeris open the handle is in either the mid or the OFF
position.If in mid
- position the breaker has been tripped automatically
and the latch must be reset by moving the handle to the extremeOFF
position before attempting to restore to service. Close, after resetting
the latch by moving the handle to the ON position.

3
Instruction Leaflet IL15560C
Effective August 2011
AB De-ion® Circuit Breaker
Type PB-DC (Mag. Only)
EATON CORPORATION www.eaton.com
Fig. 1 SectionalViews
The long dimension of these breakers can be mounted either vertically
or horizontally.When mounted vertically,the line or arc
- chamberend of
the breaker should be at the top. Removablerear connectorsare
provided.These are suitable for connecting to bus duct or tangs of
pressure type terminals.
The trip units are calibrated at the factory for one of the above current
ratings at 135% of rated trip current.On short circuit currents, they will
trip gnippirtsuoenatnatsnihcihwdnoyebtniopehT.ylsuoenatnatsnituo
will occur is not adjustableby depressing and turning button
" B " see
Fig.1.This button has been set at the factory to trip at max. 135%
current rating.

4
Instruction Leaflet IL15560C
Effective August 2011
AB De-ion® Circuit Breaker
Type PB-DC (Mag. Only)
EATON CORPORATION www.eaton.com
IMPORTANT:Thecontacts are so designed and con
-
structed that they shouldlastforthe life of the breaker,
unlessapplied in a highly corrosive atmosphere. If they
become oxidized or corrodedthe contact may be cleaned
by wiping the surface with a cleanclothdipped in carbon
tetrachloride or other chlorinated solvent. If badlycor
-
roded, surface may be scrapedlightlywith a fine file to
restorelowcontact resistance.
ASSEMBLY
Before the trip unitcan be installed in the breaker frame the conductors
K must be assembled to thetrip unitwith retainingscrews and
lockwashers
L. Insert conductors K throughrectangularslots in the trip
unit from the load end.The conductorsareinterchangeableandmay be
installedin anypole of the trip unit. Assemble screw andlockwasher
L
in the holes in the bottomof the trip unit under each conductor.The
screwwillextend throughthe laminatedcoreand engage a hole in the
conductor.Tightenthe screws on the lockwashers and the conductors
will be heldlooselyin place.The screws willprevent them from slipping
out of the slots.Threadthe twoscrews
C throughthe holesin the trip
unit bracket and center conductor.The screw shanksareundercutso
that both screwswill be heldcaptive in the centerpole.The trip unit is
now readyto be installedin the breaker frame.
INSTALLATION
Position trip unitin the breaker frame per Fig.
1 and make certain that
the trip unit bracket pin sits in the slotsin the frame mechanism as at
E.
The 2 centerscrews C are held captivein the centerpole of the trip unit
andare to be tightenedfirst.Outside pole screws
D are suppliedwith
the frame and trip unit.These screws are tightenedlast afterthose in
the center are securelytightened.Use a socket wrench for a finalhard
tighteningto make surethat all
6 screwsare securelyin place.Tighten
witha torqueof
15 ft. Ibs.max.

5
Instruction Leaflet IL15560C
Effective August 2011
AB De-ion® Circuit Breaker
Type PB-DC (Mag. Only)
EATON CORPORATION www.eaton.com
Before replacing covermake sure that 2 barriers Gare in the line end
and one in the load end of each pole of the breaker. Replace cover and
fasten down with
8 coverscrews H and I.
Install rear connectors
J with 4 hex head screws in each connector as
shown.Tighten screws with a torque of 15 ft. Ibs. max.
To change trip units, throw breakerto the open position and remove
breaker coverby loosening the
8 coverscrews H and I.Removeload
end rear studs
J. Then loosen trip unit screws Cand D. Lift trip unit out
of the breaker frame.
3 PolesIn Series
+
LOAD
Use rated cable per
N.E.C.,
connectto terminals, as per
breaker nameplate.

6
Instruction Leaflet IL15560C
Effective August 2011
AB De-ion® Circuit Breaker
Type PB-DC (Mag. Only)
EATON CORPORATION www.eaton.com
Notes:

7
Instruction Leaflet IL15560C
Effective August 2011
AB De-ion® Circuit Breaker
Type PB-DC (Mag. Only)
EATON CORPORATION www.eaton.com
Notes:

Eaton Corporation
Electrical Sector
1111 Superior Ave.
Cleveland, OH 44114
United States
877-ETN-CARE (877-386-2273)
Eaton.com
© 2011 Eaton Corporation
All Rights Reserved
Printed in USA
Publication No. IL15560C / TBG000672
Part No. 69C0686H01
August 2011
Eaton is a registered trademark of Eaton Corporation.
All other trademarks are property of their respective
owners.
Instruction Leaflet IL15560C
Effective August 2011
AB De-ion® Circuit Breaker
Type PB-DC (Mag. Only)
The instructions for installation, testing, maintenance, or repair herein are provided for
the use of the product in general commercial applications and may not be appropriate for
use in nuclear applications. Additional instructions may be available upon specific request
to replace, amend, or supplement these instructions to qualify them for use with the
product in safety-related applications in a nuclear facility.
This Instruction Booklet is published solely for information purposes and should not be
considered all-inclusive. If further information is required, you should consult an autho-
rized Eaton sales representative.
The sale of the product shown in this literature is subject to the terms and conditions
outlined in appropriate Eaton selling policies or other contractual agreement between the
parties. This literature is not intended to and does not enlarge or add to any such con-
tract. The sole source governing the rights and remedies of any purchaser of this equip-
ment is the contract between the purchaser and Eaton.
NO WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WARRANTIES OF
FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, OR WARRANTIES
ARISING FROM COURSE OF DEALING OR USAGE OF TRADE, ARE MADE
REGARDING THE INFORMATION, RECOMMENDATIONS, AND DESCRIPTIONS
CONTAINED HEREIN.
In no event will Eaton be responsible to the purchaser or user in contract, in tort (includ-
ing negligence), strict liability or otherwise for any special, indirect, incidental or conse-
quential damage or loss whatsoever, including but not limited to damage or loss of use
of equipment, plant or power system, cost of capital, loss of power, additional expenses
in the use of existing power facilities, or claims against the purchaser or user by its
customers resulting from the use of the information, recommendations and description
contained herein.