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MISCELLANEOUS ITEMS
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Air Circuit Breakers

Changeover Switches − Type FG

High Rupturing Capacity Fuses

Moulded Case Circuit Breakers

Switch Disconnector Fuses 

Switch Disconnector Isolator − Type FN/FG


» Air Circuit Breakers
Air Circuit Breaker - C Power
Features
• Comprehensive range: 400 A to 6300 A
• Ics=Icu=Icw for complete selectivity
• Proven track record of over 30 years with 300,000 installations
• Elegant design and rugged construction
• Unique pole design for bounce free operation
• High mechanical and electrical life
• Optimally compact ACBs with adequate terminal capacity and low temperature rise
• Suitable for direct termination of aluminum links
• Distinct 'maintenance' position in draw-out ACBs
• Common depth and height up to 4000 A
• In-built mechanical anti-pumping feature
• CE marking for C & H range of ACBs
 
Air Circuit Breaker - U Power

Features

• 400 A to 6300 A in three optimized frame sizes
• Standard 100% neutral rating, 50% and 200% neutral ratings also available
• Unique arc chute interlock prevents breaker closing when arc chute is missing
• Smart racking shutter ensures total safety in racking operations
• Unique pole design ensures energy saving through low watt loss, common height and depth across the range
• Display of complete accessory information on front facia
• Tool-less fixing of volt metric releases
• Suitable for direct termination of aluminium links
• Independent locking of ON / OFF buttons
• Optimally compact dimensions, without sacrificing termination area
 

Releases

• Comprehensive range of micro controller based protection and control units
• Real-time on-line graphical representation of protection characteristics on high resolution LCD display
• Basic protections independent of external power supply
• Additional protections for voltage variation, frequency variation, undercurrent, reverse power, temperature rise, earth leakage and restricted earth fault
• Event recording and fault history
• Metering of current, voltage, power, energy, frequency and power factor
• Communication capable on MODBUS protocol
• Trip circuit supervision
• Two storable settings
» Moulded Case Circuit Breakers
Range
• Type d sine
• Type DH
• Type DU
• Type DN0 /td>
Type d sine
Features

MCCB: Type d sine

• Complete range: 16 A to 1600 A in 3 pole / 4 pole versions
• Breaking capacities up to 100kA
• Micro-controller based intelligent and communication capable protection and control units
• Global bench marking-KEMA certified
• Positive isolation & user friendly features
• Ergonomic design
• Superior safety features for user and installation
• Conforms to IS: 13947-2, IEC: 60947-2, EN: 60947-2
• Wide range of internal & external accessories
 
Releases

RC-10

• Micro-processor based design
• Overload protection with fixed time delay
• Short circuit protection with two time delay settings
• Instantaneous over ride protection
• Earth fault protection with two time delay settings
• Built in CTs
• Self diagnostic test possible
• Wide range of selection
• True RMS sensing
• Self powered
 

RC-20

• O/L with selectable, S/C instant over ride protection
• E/F with selectable time delay
• Backlit LCD display
• Metering for current
• Protection against unbalanced load
• l2t protection, neutral protection, cold load protection
• Time resolution in current and time delay setting
• User friendly navigation system
• Self powered for basic protection
• Communication using RS 485 Port and MODBUS RTU protocol
 
Type DH
Features
• Wide range: 12 A to 630 A
• Breaking capacity up to 65kA
• Available in 3 pole and 4 pole versions
• No line load bias
• High electrical and mechanical life
• Low let through energy and low cut-off current
• Adjustable thermal releases
• Add on earth fault modules
• Special MCCB's for motor, generator and furnace protection
• Suitable for copper and aluminium terminations
• Safety to user and installation
• Conforms to IS: 13947-2,IEC: 60947-2, EN: 60947-2
 
DU Series
Features
• 25kA/12.5kA @ 240VAC
• Enhanced safety features like Positive isolation, Finger proof front cover
• CE marking
• DIN rail mounting
 
DU100H 3P/4P
Features
• 30kA/15kA @ 415V and 36kA / 18kA @ 400Vmarked on the product
• Adjustable overload setting (0.8 to 1In)
• specially designed ‘speedo-quench’ contact system and ‘arc suction effect’ arc chutes for efficient arc quenching.
• Compact dimensions for space saving
• Matches MCB DB depth and cut-out
• Enhanced safety features like Positive isolation, Finger proof front cover
• CE marking
• Additional accessories like Aux + TAC
• Availability of dsine look handles in Direct and Extended versions
• DIN rail mounting possible
• DU100H carries accessory synergy with DU250
 
DU250
Features
• 36kA / 18kA @ 415Vmarked on the product
• Adjustable overload setting (0.8 to 1In)
• Specially designed ‘speedo-quench’ contact system and ‘arc suction effect’ arc chutes for efficient arc quenching
• Compact dimensions for space saving
• Enhanced safety features like Positive isolation, Finger proof front cover
• CE marking
• Additional accessories like Aux + TAC
• Availability of dsine look handles in Direct and Extended versions
 
Type DN0
Features
• Available in ratings from 20 A to 100 A
• Breaking capacity - 30kA
• Compact size: 75 x 130 x 60 suitable for side-by-side mounting
• Specially designed “speedo-quench” contact system and ‘arc suction effect’ arc chutes provide efficient arc quenching
• Adjustable overload setting
• Easy ON / OFF / RESET operations
• Wide variety of click-fit accessories
» Switch Disconnector Fuses
Range
• Type F-line
• Type FN

Type F-Line

Features

MCCB: Type d sine

• Ratings 32 A to 800 A in six frame sizes
• AC-23 A rating for the complete range
• Available in TPN and four pole versions
• High short circuit capacity of fuses (100kA)
• Electro dynamic compensated contact system
• Versatile handle (patented)
• High clearance and creepage distances
• Suitable for copper and aluminium terminations
• Conformance to IS: 13947-3, IEC: 60947-3
• Easy inspection and replacement of contacts
• Fuse barriers to prevent inter phase short circuits
• DIN rail mounting up to 100 A
• Suitable for horizontal and vertical installations
• Terminal shrouds for safety
• Telescopic shaft for the handle (Stepless adjustment)
• Clear ON / OFF indication
• Aesthetic appearance
 

Accessories

• Auxiliary contact kit
• Castell lock
• Fuse operation indicator
• Extended terminal shroud
• Fuse puller unit
• Mechanical interlock kit
 

TypeFN

Features

• Ratings: 32 A to 800 A
• Version: TP/TPN
• High short circuit rating of fuses (100kA)
• Full AC-23 A utilization category
• Positive isolation of fuses
• Quad break contact system
• Separate arcing and current carrying zones
• High clearance and creepage distances
• Phase barriers
• Suitable for aluminium terminations
• Built - in isolable or add on switched neutral
• Easy inspection and replacement of contacts
• Suitable for horizontal and vertical terminations
• Clear ON / OFF indications
• Available in sheet steel enclosure
• Conformance to IEC: 60947-3 and IS: 13947-3
• Ratings: 32/63/100
 

Accessories

• Handle assembly (Type A/B/C/E)
• Shaft extension kit
• Switched neutral kit
• Auxiliary contact kit
• Mechanical interlock kit
• Castell interlock
• Terminal shroud kit
• Interphase barrier kit
 

SPARES

• Handle assembly
• Front housing assembly
• Spare kit of contacts.
» Changeover Switches - TYPE FG

Features

• Excellent aesthetics
• Ratings: 63 A to 1600 A
• High making and breaking capacities
• Highly reliable
• Convenient single handle operation
• Quick make and quick break mechanism
• Conformance to IEC: 60947-2 and 3 and IS: 13947-2 and 3
 

Accessories

• Auxiliary contacts
• Clutch handle
» High Rupturing Capacity Fuses

Range
• Type HN & HF
• Bolted Fuses Type HG & HQ

Type HN & HF

Features

DIN Fuses Type HN

• Ratings: 63 A to 800 A
• High breaking capacity (100kA)
• Low watt loss
• Low let-through energy
• Immediate fault indication
• Size 000(100 A) to Size 3(630 A)
 
Cylindrical Fuses Type HF
• Ratings: 2 A to 63 A
• High breaking capacity (80kA)
• Low watt loss
• Immediate fault indication
• Same size from 2 A to 63 A
 

Accessories

• Fuse base
• Fuse pulling handle
» Switch Disconnector Isolator - TYPE FN/FG

Switch Disconnector - Type FN

Range - 32 A to 1000 A

Features
• Conform to IEC 60947-3 / EN 60947-3 / IS13947 (PART 3)
• Full AC - 23 A rating
• Compact Size
• Quad break Contact System
• Separate arcing / Current carrying zone
• Quick make / Quick break mechanism
• High clearance & Creepage distances
• Generous terminal capacity
• Built-in neutral
• Provision for add-on auxiliary contact
• Clear ON / OFF indicator
• Front operated mechanism
• Suitable for Aluminium termination
• Shroud for Links
• Easy inspection & replacement of contacts
• Handle coupling arrangement conforming to IS-8623(1977)
• Suitable for vertical and horizontal orientation
 
Switch Disconnector - Type FG

Range - 160 A to 3150 A

Features and Benefits

• Compact Size saves panel space
• High reliability
• Conveniecne of operation
• Wide range of accessories to enhance safety
• High electrical and mechanical life
• Conform to IS 13947-3 & IEC 60947-3
• Robust and rugged construction makes it suitable for tropical conditions
• Clear Indication of Switch Position
• Quick make & Quick Break mechanism


Krishna International - Tel.Nos.: +91-22-2888 2707 / 3803, Email : sales@krishnainternational.in
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