

LS Industrial Systems
Korean Based Products
Air Circuit Breakers

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3 Pole & 4 Pole Fixed or Draw Out Type Manual or Motorised Charging
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Compact & Modular Design e 3 Frame size
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Wide range, available from 200A rating to 6300A rating.
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Multi-rated operating voltage (690 AC, S5OOV AC) for all models.
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Rated insulation voltage 1000V AC for all models.
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Very high breaking capacity and Ics = 100% Icu at 5O00V AC.
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Product conforming to IEC and ANSI (includes Nuclear Energy plant purpose) standard.
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'N’ Phase current capacity in 4 pole breaker is 100%
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Having high function microprocessor based digital trip relay with communication facility.
Air Circuit Breakers - Metasol Series

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Metasol Series ACB has AS type product for the high breaking capacity, and AN type product for various functions at affordable price.
Air Circuit Breakers -
Susol Series

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Susoll Series ACB has highest breaking capacity and multi-function product at the world class level which is used with P and S type of digital trip relay. It is basically equipped with arc box to assure arc space zero performance.
Therefore it is appreciated for important application.
Moulded Case Circuit Breakers

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Compact size and high interrupting capacities.
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Available in 2/3/4 pole version from 50~1000/1200A Frame sizes.
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Short Circuit Breaking Capacity from 14~85kA having Ics = 100% Icu.
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Available with thermal Magnetic Release.
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Can be provided with accessories for varied application & allows easy installation specialy for electrical accessories.

​NOTE
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Plug-in MCCB is also available up to 800A frame size.
Besides, accessories like terminal Cover, Mechanical Interlock, Shunt Trip, Under Voltage Trip, Aux, Switch, Rotary Handle, Extended Rotary Handle etc are also available.
SUSOL Series MCCB are available with exceptional current limiting device and double break contacts with following features.
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Breaking capacity 50~150kA at 415V 50Hz. AC [Ics = 100% Icu].
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MCCB available with Thermal Magnetic release having adjustable overload setting 80~100% and
fixed short circuit. -
MCCB available with thermal Magnetic release having adjustable overload setting 80~100% and
adjustable short circuit setting 5~10 In. -
Microprocessor based release having adjustable overload setting 40~100% and adjustable short
circuit setting 1.5~10 In. MCCB with E/F release 0.2 to 1.0 in. -
SUSOL MCCBs also can be provided with accessories like AUX, Switch, Alarm Switch, Fault Alarm
Switch, Shunt Trip Coil, UTV Coil, Rotary Handle and Extended Rotary Handle etc. -
We can also provide Motor Operated MCCBs.
3 and 4 Pole Contactors

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Widest range of 3 & 4 Pole contactors from 6~800A.
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25 models in 9 frame sizes.
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Rated operational voltage 690V AC and rated insulation voltage 690V AC upto 22A AC3 rating and 1000V AC from 32A Ac3 rating and above.
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Compact size and easy connection.
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Ensure reliability & safety in the system, Type 2 coordination.
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Very low pick up and hold-on VA for all ratings.
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Complies with international Environment Standard RoHS.
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Can withstand high vibration [opened: 2g, closed: 4g.]
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Accessories like auxiliary contact. [side & front mounted], surge unit, interlock kit & wire kit, insulation barrier, delayed operating devices, mechanical latch, and provision for direct mounting of MPCB is available in METASOL contactor.
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METASOL series overload relay have contactor
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mounting and independent mounting version with in-built single phase prevention. Remote reset unit is also available on request.

Mini Contactors with AC/DC Coil Voltage
Control Relay 6A/9A/12A/16A

2 Pole Contactors

Capacity Duty Contactors

Manual Motor Starters (MPCBs)

Miniature Circuit Breakers

Digital Motor Protection Relay

Electronic Motor Protection Relay

Vacuum Contactor

Rating : 3.6 / 7.2kV 200 / 400 A
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Rated Short time current : 6.3kA/1s (16.4kA
peak) -
Perfect compatibility with the existing product
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Diversified customer-oriented safety equipments
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Detachable type, metal shutter installed
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Applied standard IEC 60470, IEC 60282-1
Vacuum Circuit Breaker

Rating : 7.2 / 12 / 25 / 36kV
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Available in Fixed / Draw-Out version & Draw-Out
in enclosed version -
Rated breaking time : 3cycles
Rated short-time withstand current : kA / 3sec -
Available connection between main body and
cradle : Clip & Tulip type. -
Switching durability mechanical : 20,000 times electrical : 20,000times
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Tested at KERI, KEMA as per IEC Standards
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Applied standard : new standard IEC 62271-100
[2008] [M2, E2 (list 1, 2, 3), class C2]