CLL Circuit Breakers

48049-101-61
Cedar Rapids IA, USA 08/01
ECN K451
CLL Circuit Breakers
1
Instruction Bulletin
© 1996–2001 Schneider Electric All Rights Reserved
Retain for future use.
English
HORIZON
1. Turn off all power supplying this equipment before working on or inside
equipment.
2. Turn off circuit breaker or trip circuit breaker by pressing push-to-trip
button.
3. Check clearances.
4. Cut out panel section to accomodate circuit breaker, if necessary.
8.0
[200]
Dimensions:
08303000
in.
[mm]
3.88
[98]
3.88
[98]
0.25
[6]
0.25
[6]
8.0
[200]
7.75
[197]
Mechanical
Clearance Electrical
Clearance
2.45
[62]
10.75
[273]
8.70
[221]
0.99
[25]
7.39
[188]
0.125 R
Max. (4)
Drill/tap for 10-32
UNC screws (4)
Dimensions:
Panel Section
in.
[mm]
08303012
2.50
[63]
INSTALLATION
HAZARD OF ELECTRIC SHOCK, BURN,
OR EXPLOSION
•This equipment must be installed and
serviced only by qualified electrical
personnel.
•Turn off all power supplying this equipment
before working on or inside equipment.
•Always use a properly rated voltage
sensing device to confirm power is off.
•Replace all devices, doors and covers
before turning on power to this equipment.
•High fault current interruption results in
high pressure gas. Mount circuit breaker
only in equipment marked to accept it.
Mount no closer to enclosure metal or live
parts than is indicated in drawing. Make
sure all enclosure closing hardware is
properly installed.
Failure to follow these instructions will
result in death or serious injury.
DANGER
Prepare Enclosure

CLL Circuit Breakers 48049-101-61
Instruction Bulletin 08/01
© 1996–2001 Schneider Electric All Rights Reserved
2
English
5. Mount circuit breaker in metal enclosure.
6. Remove lug cover.
7. Install according to enclosure instructions. See last page for mounting
dimensions.
1.63
[41]
4.0
[102]
1.50
[38]
6.0
[152]
Insulating fiber 4 in. x 10 in.
(102 mm x 254 mm)
centered on circuit breaker.
Insulating fiber 6 in. x 7.5 in.
(152 mm x 190 mm). Cut 1/2 in.
(13 mm) dia. clearance holes for
mounting screws
Dimensions:
ON OFF
in.
[mm]
08303001
08303003
OFF Position
Loosen screws
six turns.
Pry lug cover off
Torque to
30 lb-in (3 N•m)
08303004
Circuit breaker
terminal
Terminal clip
Bus bar
08303002
1/4-20 grade 5 steel
screw (not provided)
Torque screws to
80 lb-in (9 N•m).
Washers
Screw Length = Thickness of Bus Bar + 5/16 to 3/8 in. (7.90–9.50 mm) Maximum
Install Circuit Breaker
HAZARD OF EQUIPMENT DAMAGE
Circuit breaker must be insulated from metal on
off end when mounting in metal enclosure.
Failure to follow this instruction can result in
equipment damage.
CAUTION
Install Terminal Clips (Circuit Breakers
Without Lugs Only)

48049-101-61 CLL Circuit Breakers
08/01 Instruction Bulletin
3
© 1996–2001 Schneider Electric All Rights Reserved
English
1. See circuit breaker faceplate label or instructions with optional lugs for
wire sizes and torque.
2. Replace lug cover.
Press push-to-trip button once a year to exercise circuit breaker. Push-to-trip
button will not function when circuit breaker handle is in the OFF position.
Remove circuit breaker in reverse order of installation.
Strip Length
1-1/8 in. [29 mm]
08303005
Torque screws to
15 lb-in [2 N•m]
08303007
Push-to-trip Button
ON
Tripped
OFF
Reset
08303006
WIRE INSTALLATION–ALL CIRCUIT
BREAKERS
Conductor Installation
HAZARD OF EQUIPMENT DAMAGE
Do not allow wire binding strands to interfere
with threads of wire binding screw. Wire strands
interfering with binding screw can cause false
torque indication.
Failure to follow this instruction can result in
equipment damage.
CAUTION
CIRCUIT BREAKER OPERATION
CIRCUIT BREAKER REMOVAL
HAZARD OF ELECTRIC SHOCK, BURN, OR
EXPLOSION
Disconnect all power to electrical equipment
before removing circuit breaker. Turn circuit
breaker off.
Failure to follow this instruction will result
in death or serious injury.
DANGER

CLL Circuit Breakers 48049-101-61
Instruction Bulletin 08/01
© 1996–2001 Schneider Electric All Rights Reserved
4
English
1. Loosen screws (A). Remove access cover.
2. Refer to label on circuit breaker for electrical specifications of factory-
installed accessories. Install field-installable accessories according to
instructions supplied with them.
3. Replace access cover and torque screws to 5 lb-in (1 N•m).
A
08303008
ON
Shunt trip, undervoltage release
or auxiliary switches
Connect control wire to
accessory terminals
Route wires
out wire exit.
Alarm switch
terminals
08303009
5 lb-in
[1 N•m]
08303010
FACTORY-INSTALLED ACCESSORIES

48049-101-61 CLL Circuit Breakers
08/01 Instruction Bulletin
5
© 1996–2001 Schneider Electric All Rights Reserved
English
CIRCUIT BREAKER WITH PADLOCK
ACCESSORY
TROUBLESHOOTING
Condition Possible Causes Solution
Circuit breaker fails to stay closed. 1. Magnetic trip adjustment too low.
2. Undervoltage trip not energized.
3. Shunt trip energized.
4. Short circuit or overload on system.
1. Adjust magnetic trip adjustment.
2. Energize undervoltage trip.
3. De-energize shunt trip.
4. Check system for short circuit or overload.
Circuit breaker trips, but no short circuit or overload is
evident. 1. Magnetic trip adjustment too low. 2. Voltage below undervoltage trip setting. 1. Adjust magnetic trip adjustment. 2. Check system for low voltage.
Push-to-trip button will not trip circuit breaker. Circuit breaker already tripped or OFF. Move circuit breaker handle to reset then to ON
position. Press push-to-trip button.
HAZARD OF PERSONAL INJURY OR
EQUIPMENT DAMAGE
Circuit breaker with padlock accessory installed
does not comply with IEC 947 isolation
requirements. Before locking handle off, make
sure circuit breaker is open by placing handle in
off position and checking that voltage is not
present on circuit breaker being protected.
Failure to follow this instruction can result in
death, serious injury or equipment damage.
WARNING
HAZARD OF ELECTRIC SHOCK, BURN, OR
EXPLOSION
Disconnect all power to electrical equipment
before working on circuit breaker. Turn off
circuit breaker.
Failure to follow these instructions will
result in death or serious injury.
DANGER