SERIES CB...BREAKERS MCCBs
SERIES CB
UL 489
OPTIONS
FIELD KITS
15 Amp
to
600 Amp
• Auxiliary Contacts
• Alarm Contact
• Shunt Trip
• UV Trip
OPTIONS
25kA 35kA 50kA
100 Amp
CB-1S
225 Amp
CB-2S
25/50 kA
Interruption
Capacity
OPTIONS
• Open
• Enclosed
NEMA 1,3R,4,4X,12,7
400 Amp
CB-4S
600 Amp
CB-6S
OPTION
• MAGNETIC ONLY TRIP
50kA 480 Volt
MOLDED CASE CIRCUIT BREAKERS
15 AMP THRU 600 AMP
ELECTRICAL & ELECTRONIC
CONTROLS, INC.
3881 DANBURY ROAD
BREWSTER, NY 10509
845-278-5777, FAX 845-278-5444
www.eecontrols.com
E-MAIL: info@eecontrols.com
EECONTROLS, LTD
17 STEWART COURT
ORANGEVILLE, ONTARIO
CANADA L9W 3Z9
519-941-6845, FAX 519-940-0514
143
SERIES CB
Circuit Breaker
DESIGN
Structure
Series CB
2
1
3
6
4
5
1
Arc Extinguishers
Arc extinguishers dissapate arcs that
result when the circuit breaker
interrupts current flow. Two arc chutes
sets extinguish are in each phase for
2
Handle
The handle position clearly
indicates the contact status: closed,
open or tripped. The handle
indicates “ON” for safety when the
contacts are closed.
3
Auxiliary
Cover
Auxiliary cover provides
convenience when accessories are
field installed and replaced.
4
Trip Button
Trip button provides a manual means
of exercising the mechanism by manu
ally tripping the circuit breaker.
144
7
Trip Units Thermomagnetic
5
The function of the trip unit is to trip the
operating mechanism in the event of a
prolonged overload or short-circuit
current. To accomplish this, thermal
magnetic trip units are provided.
Protection is provided by combining a
temperature sensitive device with a
current sensitive electro magnetic
device. This magnetic trip is adjustable
from 5X to 10X on Frame Size 2,
6 only.
Operating Mechanism
Trip Free Design
Operating mechanism is to provide a
means of opening and closing the
circuit breaker. This mechanism is the
quick-make, quick-break type and it is
constructed so that all poles will make
and break simultaneously when
operated manually or automatically.
This mechanism is also trip-free.
Design - State of the Art
For Current Limiting Breakers
The moment of inertia of a rotating
bridge is significantly lower than that of
a breaker with a linear bridge.
Therefore, the reaction to short circuit
currents is much faster, which leads to
better current limiting as well as shorter
arc duration and substantially lower i2t
values.
The single axis of rotation provides
both the fast short circuit reaction time
as well as the normal switching func
tion time.
Branch circuit discrimination. Since
the operation is fast, Series CB are
excellent branch circuit protective
devices, which can be used either as
manual controllers with full (adjustable)
motor protection or in conjunction with
a contactor. Series CB provides good
discrminiation from upstream circuit
breakers or fuses as test oscillographs
demonstrate.
INDEX
SERIES CB
Circuit Breaker
CONTENTS
UL 489 LISTED Molded Case Circuit Breakers ••• Series CB
Page
Design ................................................................................. 144
146
High Capacity Trip #CB-*L (50kA).......... 147
Magnetic Only Trip #CB-*MCS (50kA)..... Contact Factory
Selection Data .............Standard Trip
#CB-*S (25kA).........
Accessories ......................................................................... 148
•
Operator Handles................................................................ . 150
Dimensions ................................................................... 151, 152
MODERN SPACE SAVING
DESIGNS!
100AF
225AF
400AF
600AF
COMPARE TO THE OLD SWITCHGEAR BREAKERS
OLD - VERY EXPENSIVE - VERY LARGE!
145
25kA IC CIRCUIT
BREAKER SELECTION
UL489
SERIES CB
Circuit Breaker
Order Information
Standard Interruption Capacity
50kA 240V
25kA 480V
STANDARD TRIP - 25kA, I.C. OPEN TYPE - THERMAL MAGNETIC
100 Amp Frame Series CB-1S 3 Pole
Continuous
Amps, Max.
(In Thermal)
Magnetic
Instantaneous
Trip - Amps
Interruption
Capacity
kA (480V)
Catalog No.
Open Type
List
15
20
30
40
50
60
80
100
500
500
500
500
500
600
800
1000
25
25
25
25
25
25
25
25
CB-1S-15A
CB-1S-20A
CB-1S-30A
CB-1S-40A
CB-1S-50A
CB-1S-60A
CB-1S-80A
CB-1S-100A
$398
$398
$398
$398
$398
$398
$455
$455
25
25
25
25
25
CB-2S-125A
CB-2S-150A
CB-2S-175A
CB-2S-200A
CB-2S-225A
$988
$988
$988
$988
$988
25
25
25
25
CB-4S-250A
CB-4S-300A
CB-4S-350A
CB-4S-400A
$1600
$1600
$1600
$1600
UL489
225 Amp Frame Series CB-2S 3 Pole
125
150
175
200
225
Adjustable
Magnetic
625A to 1250A
Instantaneous adjustable,
In x 5, 6, 7, 8, 9, 10.
400 Amp Frame Series CB-4S 3 Pole
250
300
350
400
2500
3000
3500
4000
I.C. 50kA at 240V, 25kA at 480V, 14kA at 600 Volt.
600 Amp Frame Series CB-6S 3 Pole
500
600
5000
6000
Check with Factory for 2 and 4 Pole Breakers.
25
25
CB-6S-500A
CB-6S-600A
$2200
$2200
I.C. 50kA at 240V, 25kA at 480V, 14kA at 600 Volt.
ENCLOSED TYPE BREAKERS
4X
NEMA 1/3R
Add
Add
Suffix Extra
Cost
NEMA 4/12
Add
Add
Suffix
Extra
Cost
NEMA 4X
Add
Add
Suffix
Extra
Cost
15 to 60 Amp
80 - 100 Amp
125 - 150 Amp
-3R
-3R
-3R
$244
$244
$370
-4/12
-4/12
-4/12
$330
$330
$450
-4X
-4X
-4X
$330
$330
$450
-7
-7
-7
$1,475
$1,560
$1,700
175 - 225 Amp
250 - 400 Amp
500 - 600 Amp
-3R
-3R
-3R
$540
$725
$960
-4/12
-4/12
-4/12
$620
$805
$1,040
-4X
-4X
-4X
$620
$805
$1,040
-7
-7
-7
Check with
Factory
BREAKER
Amp Rating
146
NEMA 7
Add
Add
Suffix
Extra
Cost
$3,190
Discount Schedule CB
UL489
50kA IC CIRCUIT
BREAKER SELECTION
SERIES CB
Circuit Breaker
Order Information
High Interruption Capacity
100kA 240V
50kA 480V
TRIP - 50kA, I.C. OPEN TYPE - THERMAL MAGNETIC
100 Amp Frame Series CB-1L 3 Pole
Continuous
Amps, Max.
(In Thermal)
Magnetic
Instantaneous
Trip - Amps
Interruption
Capacity
kA (480V)
Catalog No.
Open Type
List
15
20
30
40
50
60
80
100
500
500
500
500
500
600
800
1000
50
50
50
50
50
50
50
50
CB-1L-15A
CB-1L-20A
CB-1L-30A
CB-1L-40A
CB-1L-50A
CB-1L-60A
CB-1L-80A
CB-1L-100A
$599
$599
$599
$599
$599
$599
$665
$665
50
50
50
50
50
CB-2L-125A
CB-2L-150A
CB-2L-175A
CB-2L-200A
CB-2L-225A
$1490
$1490
$1490
$1490
$1490
50
50
50
50
CB-4L-250A
CB-4L-300A
CB-4L-350A
CB-4L-400A
$2580
$2580
$2580
$2580
UL489
225 Amp Frame Series CB-2L 3 Pole
125
150
175
200
225
Adjustable
Magnetic
625A to 1250A ›
› Instantaneous adjustable,
In x 5, 6, 7, 8, 9, 10.
400 Amp Frame Series CB-4L 3 Pole
250
300
350
400
2500
3000
3500
4000
I.C. 100kA at 240V, 50kA at 480V, 22kA at 600 Volt.
600 Amp Frame Series CB-6L 3 Pole
500
600
5000
6000
50
50
CB-6L-500A
CB-6L-600A
$3470
$3470
I.C. 100kA at 240V, 50kA at 480V, 22kA at 600 Volt.
CATALOG NUMBERING SYSTEM Typical 200 Amp, 3 Pole.
Series CB
2
Breaker Series
Breaker Frame
CB
CB
CB
CB
MCS
25ka
35kA
50kA
1
2
4
6
S
100AF
225AF
400AF
600AF
I.C. at 480V
S
25kA
L
50kA
MCS
50kA
MCS is
Magnetic Trip
(Instantaneous Trip
only, no thermal trip)
200A
SNT AC/DC 24V
Rated Current
100AF
15A
20A
30A
40A
50A
60A
80A
100A
225AF
400AF
600AF
Discount Schedule CB
Catalog No.: CB-2S-200A
Accessories
125A
150A
175A
200A
225A
250A
300A
350A
400A
500A
600A
AS
AL
SNT
UVT
MI
Auxiliary Switch
Alarm Switch
Shunt Trip
Under voltage trip
Mech. Interlock
147