Load Break Switch

Additional Details

Krishna make Triple pole load break switches and isolators are available between voltage ranges of 3.3 Kv to 11 Kv with current rating to a maximum of 630 /1250 Amps. Load break switches and offload isolator complies to the international standard IS 9920/IS 9921 and IS 3427

Salient Features:

Type tested at CPRI as per IS 9920/9921 & IS 3427

Simple and rugged construction

Quick make and break snap action

Compact design

Also available with fuse provision (Short circuit protection)

Load break switch with Earth switch (fully interlocked)

Tubular arc chutes for better arc extinction.

Manual /Motorized versions.

Accessories:

Shunt Trip Coil:

Shunt trip coil release is available for spring charged version of Load

Break switches, which can be used for local/remote tripping functions. Shunt coils are short time rated and available for voltage ranges 24 to 220 V AC/DC

HRC Fuse protection

HRC fuse provision for short circuit protection can be opted. HRC fuses

Provided can be either Din type or TAG type, which can be used for various power distribution systems. Rating of HRC fuses varies according to the type of application.

Earth Switch

Earth switch with manual operation can be provided with or without

Interlocking with Load Break switch. Mounting of Earth switch can be made as per requirement (in incoming or outgoing side or at the bottom of the fuse base)

Individual Earth switch for switchgear applications can be given on request and Earth switch is type tested at CPRI.

Auxilairy Contacts.

Auxiliary switches of configuration 1 NO + 1 NC to 4 NO+ 4 NC can be given along with Load break switch or isolators.