11kV LBS

MAX Electric Brand LMAX Series Load Break Switchgear Panels

We MAX Electric, manufacture and supply HT Load Break Switches ranges from 3.3kV to 36kV with the amp rating from 630 to 800. Our 11kV LBS switchgear panels are compact in size to suite every industrial needs.

We manufacture Indoor and Outdoor type Load break switches for varied range of applications.

Technical Specification:

MAX Electric Brand LMAX Series Load Break Switchgear Panels

TECHNICAL DATA LMAX16325 LAMX18025 LMAX26325

Rated Voltage 12 KV 12 KV 24 KV

Rated Frequency 50 Hz 50 Hz 50 Hz

Rated Current 630 A 1250 A 630 A

Rated Peak Current 62.5 KA 62.5 KA 62.5 KA

Rated Short time current / 1 sec. 26.3 KA (3 sec) 26.3 KA (3 sec) 26.3 KA (3 sec)

Rated Making Current 62.5 KA 62.5 KA 62.5 KA

Rated Breaking Current 630 A 800 A 630 A

Impulse Voltage, Wave Shape 1.2/50 MS

i) To Earth 75 KV 75 KV 125 KV

ii) Between Poles 75 KV 75 KV 125 KV

iii) Between Open Contacts 85 KV 85 KV 145 KV

Power Frequency Test Voltage

iv) To Earth 28 KV 28 KV 55 KV

v) Between Poles 28 KV 28 KV 55 KV

vi) Between Open Contacts 35 KV 35 KV 70 KV

Breaking of Capacitance Load 50 A 50 A 25 A

Closed Loop Breaking Current COS ф = 0.31 ND 630 A 800 A 630 A

Rated Transformer Off Load Breaking Capacity 120 A 120 A 120 A

Rated Line Charging Breaking Capacity 90 A 90 A 90 A

Rated Cable Charging Breaking Capacity 90 A 90 A 90 A

Dimensions (Ref. Drg. Enclosed)

i) Between Poles (Centers) mm 150-210 150-210 175-250

ii) Between Open Contacts mm 140 140 235

iii) Between live parts and earth mm 130 130 210

Making Time 35 M. Sec

Arc Duration 5-20 M. Sec

Main Features of MAX LMAX Series LBS

Very High Operating Reliability
Simple Maintenance and Inspection
High Dynamic and Thermal Strength
Tested in CPRI as per IS-9920/IEC62271-2002
Special Bottle Arc-chutes
Current Interruption without visible arcs
Simple Driving Mechanism

LOAD BREAK SWITCH SELECTION TABLE

DESCRIPTION	TYPE REFERENCE
LMAX1 Series Load Break Switches in 12kV 630/800A can be offered with pole
distances of 150mm or 210mm in the following configuration.
Basic ON/OFF Switch - Quick make, Quick Break	LMAX16325
Switch with mechanical tripping and shunt trip assembly	LMAX1MS6325
Switch with fuse base	LMAX1F6325
Switch with fuse base and mechanical tripping feature	LMAX1FM6325
Switch with fuse base, earth switch, mechanical tripping and shunt trip assembly'	LMAX1FEMS6325

Outdoor Type 11kv LBS

Indoor Type 11kv LBS

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SAFVOLT SWITCHGEARS PVT LTD | Manufacturer of Switchgear Products

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11kV LBS