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Our Products
- Change Over Switch
- Change Over Switches
- Change Over Switch (On Load)
- Change Over Switch (Off Load)
- HRC Fuse Switch Unit
- Rewirable Main Switch
- Single Phasing Preventor
- MCB Switchgear
- HRC Fuse
- Capacitors
- Single Phase Preventer
- Without Enclosure Reversing Switch
- On Off Switches
- AC Contactors
- Rewirable Switches
- Tiny Trip Switches
- Bpasd Preventor
SwitchGears
This switch can be on in both positions, switching on a separate device in each case. It is often called a changeover switch.
Specifications:
- contacts are made of Electrolytic Garde Copper
- bronze spring washer for uniform pressure in whole contact area
- epoxy fiber glass base plate gives very high degree of strength and electrical insulation
- suitable for 6000a, 3600v
- manually or pneumatically operated
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No. of poles : DP & FP
Rated Voltage : 240/415V AC 50 Hz
Current Rating : 25 Amp & 40 Amp.
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Change Over Switch (On Load)
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Range | 32A-10A |
Execution | DP/FP |
Rated voltage | 240/415V AC |
Rated Insulation Voltage | 660V |
Utilization Category | AC-22A |
conforms to | IS-13947(PT-3) |
1993 IEC : 947-3 |
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Range | 100A-1000A |
Execution | FP |
Rated Voltage | 415V AC |
Rated Insulation voltage | 660V |
Utilization category | AC-22A |
Conforms to | IS-13947 (PT-3) |
1993 IEC : 947-3 |
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Range | 32A-10A |
Execution | DP/FP |
Rated voltage | 240/415V AC |
Rated Insulation Voltage | 660V |
Utilization Category | AC-22A |
conforms to | IS-13947(PT-3) |
1993 IEC : 947-3 |
Salient features:
- Side handle operated
- Door interlocking facility
- High electrical & mechanical endurance
- On/Off position flag indicators
- Phase separators provided
- Contacts and mechanism in enclosed housing to avoid ingress of dust.
- compact design
- silver/nickle plated copper & brass contacts for high conductivity and longer life
- Quick make and break operation mechanism
- Enclosures made of CRSA sheet duly pretreated and powder coated.
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Double break combination fuse switch unit for HRC fuse(without HRC fuse) TPN. side handles operated with sheet
Metal enclosures
Type BFS, (confornming to IS:13947 (part-iii), IS/IEC 60947 part 3
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Range | 16A-320A |
Execution | DP/TP & TPN |
Rated voltage | 240/415V AC |
Rated Insulation Voltage | 560V |
Utilization Category AC-22A | |
conforms to | IS-13947(PT-3) |
1993 IEC : 947-3 |
Salient features:
- Side handle operated
- Door interlocking facility
- High electrical & mechanical endurance
- On/Off position flag indicators
- Phase separators provided
- Contacts and mechanism in enclosed housing to avoid ingress of dust.
- compact design
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BSP-singlr phasing preventor
BAP- Single phasing preventor with auto BAP(5D) - Single Phase Preventor with auto operation Star Delta
Single phasing preventor is negative sequence voltage operated
single phase preventor and can be used for all types of 3-phase motors. Thus
preventor this preventor is an Auxiliary relay & hence should be used alongwith motor starter
Effective working of motor starter with which it is to be coupled.
SINGLE PHASING PREVENTOR (VARIOUS KINDS OF PROTECTION)
OVER LOADING caused by unbalanced voltage or single phasing due to
fuse failure. loose connections or loss of phase from supply itself. Single
phasing can be correctly detected only by sensing negative sequence
components of voltage or current. These components do not contribute to
power but generate motor losses If these negative sequence components are
monitor and the motor is tripped as soon as they reach the dangerous level. rt wall
save the motor
(IS 3842) and minimize down ttme.
UNBALANCED SUPPLY generate doubles frequency current in motor
windings causing overheating. Under voltage is particularly dangerous while
starting. which also overloads the motor to continous running Thus for safe
running of motors special protections that keep a continuous watch on
supply; are essential. REVERSE RUNNING of fans. pumps and certain
machines due to wrong connections or reverse phase sequence endanger the
motor and consequently the machine Hence protection aginst reverse
AUTO-SWITCH OPERATION
Single Phasing Preventor can he connected as 'Auto Switch ‘ for
automatic operation (ON /OF F) during power failure. As mentioned below in
No. 5 give sensing to
7, 8 & 9 before the starter (Al incoming). Connect a short-link or Taggle Switch across on-push will enable BENTEX single Phasing Prevenlar to Work as Auto-Swutch.
- Interchange 7 & 9 if the starter does not hold.
- In case of star delta starter connect the unit to main contactor.
- Relay contacts shown for unit in healthy condition.
- In case of reversible motor connect 2 min with 3 before reversing switch.
- Aux. Supply to be connected as mentioned on the unit.
Technical specification | |
Operation | negative sequence voltage operated 415 ±10%, 3 phase, 50 Hz |
auxiliary voltage | 110V/ 240V/415VAC ± 10%, 50Hz |
Temperature Humidity | Max. 85% |
Power | auxiliary Power 3VA system |
consumption | Power 1VA |
Rating | AC and 415VAC, Breaking 1Amps at 415 VAC at 0.5 PF |
Output contact | Continous-5 Amps at 230V |
Life Expectancy | 0.5x10 operation at 100% |
HV Test voltage | 2 K.V AC 50HZ for 1 minute or 2.5 Kv AC, 50 HZ for 1 second between mounting plate and any terminal |
Mounting | Operation uneffected by mounting position |
maximum overall dimension | 140mm x 85x 105mm |
Mounting dimension | 130x75mm |
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B type (6Amp to 40 A)
C type (0.5 to 100 Amps)
Isolators (40 A to 100Amps)
Mcbs are based on internationally accepted principles of
"current limiting"
B type: This series is specially suitable for protection of equipment like ovens, GLS lamps, geysers, and general electrical lighting systems.
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Capacitors
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All capacitors are manufactured under the supervision of highly experienced engineers & technicians ensuring manufacturing process and quality and are (ISI)marked to complly with mandatory regulations of Electricity boards.
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4 | A | 1 | connect |
5 | B | 2 | ABC to load 1,2,3 or 4,5,6 to line |
6 | C | 3 | |
off |
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Range | 16A-320A |
Execution | DP/TP & TPN |
Rated voltage | 240/415V AC |
Rated Insulation Voltage | 560V |
Utilization Category AC-22A | |
conforms to | IS-13947(PT-3) |
1993 IEC : 947-3 |
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4 | A | 1 | connect |
5 | B | 2 | ABC to motor1,2,3 or 4,5,6 to line |
6 | C | 3 | |
on | off | on |
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Type: BAP(SD-N)
Suitable for line fully automatic & semi automatic star delta submersible control units
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In our store, a wide range of Rewirable Switches is available. This switch is designed for surface mounting. Hard CRCA plates are used to manufacture the unit, awarding high conductivity and longer functional life to the unit.
Features:
- Rewirable switches : 16A to 100A in SPN, DP & TP versions.
- Combination fuse switch units (Double break) TPN: 63A to 400A.
- Off-load changeover switch, FP: 32A to 400A.
- Silver plated terminals suitable for Al/Cu conductor.
- Tested for AC 22A utilization category.
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Provides additional additional information against earth fault thereby given safety / protection against fire, energy wasting etc.
Due to earth leakage
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