Insulation distance
Frame
Pcs.
3P
6
(M12x55)
(M8x50)
(M12x55)
(M8x50)
8
4
4
6
8
4
4
1250A
4P
3P
4P
3P
4P
3P
4P
2
3
4
Instruction manual
Operating instructions
Handle
Trip button
Reset
Tripped
ON
OFF
Breaker
KN1250-HE
Screw
Torque settings
11,8-18,6 Nm
11,8-18,6 Nm
42,0-68,0 Nm
70
40
40
40
70
70
150
150
150
Insulating tape
Insulator
Ceiling (earthed metal)
80
> 0
42,0-68,0 Nm
19
B53130
interpole
barriers
insul. tubes
or
insul. tape
Electrical work should only be undertaken by suitably qualified persons.
Handling precautions
Do not touch the handle catch. Doing so may cause personal injury.
When the breaker trips open automatically, remove the cause, then
Do not place the product in an area that is subject to high temperature,
high humidity, excessive dusty air, corrosive gas, strong vibration and
shock, or under unusual conditions.
Be careful to prevent foreign objects (debris, concrete powder, iron
powder etc.) and rainwater from entering product.
For 4-pole breakers, be sure to connect a nautral conductor to the
N pole. Otherwise, an over-current may hinder the product from tripping
thus resulting in a fire.
insulating tape the like so that the tape overlaps with the barriers.
For front connected breakers,
insulate all bare conductors
of the line side until the breaker
end. If interpole barriers are packed,
be sure to use the barriers, moreover, insulate all bare conductors by
Do not block the arc gas vents of the product to ensure edequate arc
space. Blocking these vents could result in failure of circuit interruption.
Caution
!
Warning
!
Caution
!
When connecting cable or busbar to the product, tighten terminal screws
to the torque specified in this manual.
.
.
.
.
Regularly check that the breaker terminal screws are tightened to
torque values shown within this manual, failure to do so may result
in fire.
Do not carry this product by accessory leads, as this may cause damage
to the product.
.
Unauthorised opening of breaker cover will invalidate product warranty.
Other precautions
Maintenance precautions
.
.
.
.
.
Service and/or inspection of the product must be done by persons
heving expert knowledge.
return the handle to the ON position. should a fault be interrupted,
the breaker must be inspected.
Caution
!
1
1
Prior to commencing any work on the product, open an upstream
circuit breaker or isolator to ensure that no voltage is applied to the
product. Otherwise electrical shock may result.
Prior to commencing any work on the product, open an upstream
circuit breaker or isolator to ensure that no voltage is applied to the
product. Otherwise electrical shock may result.
WARNING
CAUTION
CAUTION
The Manufacturer assumes no responsibility for damages resulting from
non-application or incorrect application of the instructions provided herein.
Please retain this manual for future reference.
Safety Notices
Be sure to read these instructions and other documents accompanying
the product thoroughly before mounting, using, servicing or inspecting
the product. In these instructions, safety notices are divided into
"Warning" and "Caution" according to the hazard level.
Mounting Precautions
For detailed mounting dimensions, refer to either the Loadline or
System Loadbank catalogues.
the suggested procedure or practice could result in moderate or slight
personal injury and/or property damage.
: A warning notice with this symbol indicates that neglecting
: A caution notice with this symbol indicates that neglecting
the suggested procedure or practice could result in moderate or slight
personal injury and/or property damage.
Note that failing to observe
notices could result in serious
injury and/or property damage in some instances. Because safety
notices contain important information, be sure to read and observe them.
!
!
!
e-mail: [email protected]
export
@koncar-nsp.hr
Packaged Items / Assembly Tools
Connections/Poles
Front
Connected
(FC)
Rear
Connected
(RC)
Instruction Manual
for MCCB Type
KON AR-Niskonaponske sklopke i prekida i d.o.o.
p.p.209; 10002 ZAGREB, CROATIA
Tel:
+385 1 236 92 62
Fax: +385 1 233 95 77
