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Circuit Breakers |
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C - Power : C Range
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C - Power : H Range
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C
- Power : S Range
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CNCS
& CNCS..E
Rating
:
400,
630, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000,
6300
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Silent
Features :
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L&T's Air Circuit Breakers (ACBs), specially designed
for extreme tropical conditions, have a proven track record
of more than 30 years.L&T is one amongst the world's
five largest manufacturers of ACBs and has supplied over
2,00,000 ACBs for diverse applications in over 40 countries
in the world.
These ACBs, which adhere to stringent requirements of protection
and discrimination in low voltage networks, are type tested
at ASTA, U.K. for compliance to IEC 60947-2 & BSEN 60947-2
standards & at CPRI, ERDA, India for compliance to IS
13947 - Part 2.
C & H ranges of C-POWER ACBs carry the 'CE' mark &
meet the requrements of European LV directive for safety
& EMC directive.
L&T offers the widest range of ACBs which are available
in 3 or 4 pole configuration, fixed or drawout version,
auto or manual reset type, with independent manual or stored
energy type manual or electrically operated mechanism. Various
terminal orientation options are available including flat
rear type, horizontal rear type, vertical rear type and
front type.
These ACBs are available with a wide variety of over current
protection devices :
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Computer compatible & Communication capable release
type SR61C.
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Microprocessor based Releases type SR21 & SR21E.
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Solid State Releases type SR15 & SR15G.
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Thermomagnetic Releases type DN1.
There are over 500 options to choose from.
PRODUCT HIGHLIGHTS
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Widest range of ACBs : 400A to 6300A.
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Elegant design having rugged construction.
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lcw for 1 sec = lcs = lcu to ensure complete selectivity.
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High
mechanical & electrical life.
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Unique
pole design ensures bounce free contact operation.
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All
4-pole ACBs have fully rated neutral pole. Hence the poles
at either extreme can be used as the neutral i.e. in NRYB
or RYBN configuration.
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Utilisation
category 'B' i.e. discrimination possible with all releases.
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All
ratings can be used for ON/OFF Load Isolation.
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Single
stroke of handle to close independent manual ACBs.
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Unique
sliding shutters to prevent unauthorized access to "Trip"
& "Close" Push button.
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Auxiliary
contacts in drawout ACBs are programmable for service and
test position.
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Optimally compact ACBs to ensure low temperature rise.
USER FRIENDLINESS
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Over
current release settings, telescopic racking handle and
various racking interlocks are accessible from front. This
means that the panel door is not required to be opened for
accessing the above.
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Wide choice of terminal orientations (Flat, Horizontal,
Vertical and Front).
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Easy
racking on telescopic rails.
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4th
"Maintenance" position in Drawout type ACBs to
facilitate maintenance.
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Multitap CTs for enhancing protection range.
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Wide
variety of ampemetric and voltmetric releases.
SUPERIOR AESTHETICS IN C-POWER ACBs
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Aesthetically
designed front-facia featuring common panel cut outs for
fixed breakers and drawout breakers.
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Common
height of all 'H' Range ACBs.
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Left
aligned panel appearance.
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Left aligned mechanism for effective space utilization of
panel.
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Unique gasket for IP54 protection.
SAFETY
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'CE'
marking on C & H ranges of C-POWER ACBs.
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Superior quality of engineering grade plastics used for
insulation purpose. Conform to glow wire test (Ref :IEC
60695-2-1)
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In-built mechanical anti-pumping for electrically operated
ACBs.
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In-built
safety lever in Drawout type ACBs to ensure tripping of
ACB:
»before
breaker jaws disengage from cradle terminals while racking
out the ACB from "Service" position.
»before
breaker jaws engage with cradle terminals while racking
in the ACB from "Isolated" or "Test"
position.
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In-built
rating error preventor in Drawout ACBs to ensure correct
rating of breaker in corresponding cradle.
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In-built
safety shutter assembly to prevent accidental contact with
live cradle terminals when breaker is in drawout position.
This is directly operated without linkages and transparent
flaps facilitate easy visibility of terminals.
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