Instrument
Transformers
Low Voltage Current Transformers 731
600 Volt Class - Indoor Type
Low Voltage Potential Transformers 735
600 Volt Class - Indoor Type
736
Instrument Transformers
Bushing Current Transformers
600 Volt Class
737
Medium Voltage Current & Voltage Transformers
5kV to 38kV - Indoor type
g Digital Energy
Multilin
729
Instrument Transformers
Control Power Transformers 738
5kV to 38kV - Indoor type
Current Transducers 739
600 Volt Class
739
IEC - Rated Instrument Transformers (Indoor/Outdoor)
Instrument Transformers
730 g Digital Energy
Multilin
Instrument Transformers
Low Voltage Current Transformers
Split Core Current Transformers
Applications
• Energy management
• Load surveys
• Sub metering
Features
• Window sizes from 0.75 x 0.75 to 12 x 30 inches
• Ratios from 100:5A to 10,000:5A
• Voltage output available
• Weather proof model available
• UL Recognized and CSA Approved
Auxiliary Current Transformers
Applications
• Designed for use in the secondary of main current transformers
to change the ratio for metering or relaying applications
Features
• Several models available
• Wound primary up to 50A
• IEEE or IEC metering and relay class
• Summation CT’s up to six secondaries
• UL Recognized and CSA Approved
Three Phase Current Transformers
Instrument Transformers
Applications
• Three phase metering and motor overload protection
Features
• Over 50 models available
• Saves space and reduces installation time
• Zero sequence core in the same package available for
most models
• Ratios from 50:5A to 4000:5A
• UL Recognized and CSA Approved
www.GEDigitalEnergy.com 731
Instrument Transformers
Current Transformers
Applications
• For use with ammeters in panelboards, control panels
and engine generators
Features
• Wide range of window sizes
• Ratios 50:5A to 2000:5A
• 1 Amp secondaries are available
• Supplied with leads or terminals
• Integral feet or mounting brackets available
• UL Listed and CSA Approved
Current Transformers
Applications
• For metering and relaying applications in low voltage
switchboards, switchgear and motor control
Features
• Wide range of window sizes
• Ratios 50:5A to 6000:5A
• 1 Amp secondaries are available
• Supplied with leads or terminals
• Multi ratios model available
• Designed to meet IEEE C57. 13 or IEC 60044-1
• UL listed and CSA Approved
Current Transformers
Instrument Transformers
Applications
• Designed for specific mount applications in low and medium
voltage switchgear
Features
• Wide range of window sizes
• Ratios 50:5A to 6000:5A
• 1 Amp secondaries are available
• Multi ratios model available
• Designed to meet IEEE C57. 13
• UL listed and CSA Approved
732 www.GEDigitalEnergy.com
Instrument Transformers
Low Voltage Current Transformers (cont.)
Current Transformers
Applications
• For ammeters, wattmeters, and cross current compensation
applications
Features
• Wide range of window sizes
• Ratios 50:5A to 6000:5A
• 1 Amp secondaries are available
• Supplied with leads or terminals
• Integral feet or mounting brackets available
• UL Listed and CSA Approved
Ground Fault Sensors
Applications
• To sense zero sequence ground fault currents
Features
• Window sizes up to 30x 10 inches are available
• Ratios 50:5A and up
• Special ratios and physical sizes built to customer specifications
• UL Recognized and CSA Approved
Ground Fault Sensors Type HGF
Applications
Instrument Transformers
• Designed to match the ground fault input of GE Multilin motor
protection relays
Features
• Window sizes 3.75” , 5.75” or 8.13”
• Ratio 50:0.025A 60 Hz
• IEC versions also available
• UL and CUL recognized
www.GEDigitalEnergy.com 733
Instrument Transformers
Current Transformers
Applications
• Designed for operation of meters and instruments
• Utility metering
• Mounts directly on busbars or padmount transformer spade
Features
• Window sizes 3.46” x 4.16”
• Ratios 200:5 to 4000:5
• Meet ANSI C12 size and mounting
Current Transformers
Applications
• Designed for operation of meters and instruments
• Utility metering small window
Features
• Designed for outdoor service
• Encapsulated in cast polyurethane resin
• Compression type terminals
• Ratios from 100:5A to 800:5A
• Dual ratio models available
• Engraved aluminum name plate
• Meet ANSI C12 size and mounting
Current Transformers
Applications
Designed for operation of meters and instruments
Instrument Transformers
• Utility metering large window
Features
• Designed for outdoor service
• Compression type terminals
• Ratios from 200:5A to 4000:5A
• Dual ratio models available
• Engraved aluminum name plate
• Meet ANSI C12 size and mounting
734 www.GEDigitalEnergy.com
Instrument Transformers
Low Voltage Potential Transformers
Voltage Transformers
Applications
• For single phase voltage measurement in AC power systems
Features
• Resin cast moulded plastic cases
• Integral fuses available on some models
• Designed to meet IEEE C57.13
• 50Hz design available
• UL Recognized and CSA Approved
Voltage Transformers
Applications
• For three phase voltage measurement in AC power systems
Features
• Resin cast moulded plastic cases
• Integral fuses available on some models
• Designed to meet IEEE C57.13
• 50Hz design available
• UL Recognized and CSA Approved
JVA Voltage Transformers
Applications
• Designed for indoor and outdoor service; suitable for operation
Instrument Transformers
meters, instrument transformers, relays, and control devices.
• Utility metering
Features
• Housed in a resin filled plastic case
• Compression type terminals
• 50Hz design available
• Transparent plastic terminals cover
• Engraved aluminum nameplate
• Designed to meet IEEE C57.13
www.GEDigitalEnergy.com 735
Instrument Transformers
Bushing Current Transformers
Cast Resin Unit
Applications
• For use over bushings of power transformers and dead
tank circuit breakers
• For metering and relaying applications
Features
• Indoor or outdoor service
• 600V class to IEEE C57.13 or IEC 60044-1
• Ratios 50:5 to 25000:5
• Single and multi ratios available
• Optional ground shield available
Taped Unit
Applications
• Designed to customers specifications for metering and
relaying applications
• High voltage circuit breakers and power transformers
Features
• 600V class to IEEE C57.13 - 1993
• Single and multi ratio designs available
• Leads or terminals available
• Designs for use in oil are available
Board Mounted Unit
Applications
• Designed for mounting and stacking over the bushings of
Instrument Transformers
large generators
• For metering and relaying applications
Features
• Ratios up to 40,000:5A
• 1 Amp secondaries and IEC design available
• 600V class 50 or 60Hz
• Shield winding available
736 www.GEDigitalEnergy.com
Instrument Transformers
Medium Voltage Current & Voltage Transformers
Voltage Transformers
Applications
• Indoor voltage transformers for metering and relaying
applications in AC power systems
Features
• Vacuum cast polyurethane resin
• Designed to meet IEEE C57.13
• 5kV to 34.5kV with BIL rating up to 200kV
• UL Recognized and CSA Approved
Current Transformers
Applications
• Indoor current transformers for metering and relaying
applications in AC power systems
Features
• Vacuum cast polyurethane resin
• Designed to meet IEEE C57.13
• 5kV to 34.5kV with BIL rating up to 200kV
• UL Recognized and CSA Approved
15-35kV Outdoor Voltage Transformers
Applications
• Designed for outdoor service; suitable for operating
meters, instruments, relays and control devices.
Features
• Designed for outdoor service
• Hydrophobic Cycloaliphatic Epoxy insulation
• Engraved aluminum name plate
• Designed to meet C57.13
• 15kV to 36.5kV with BIL ratings up to 200kV
Instrument Transformers
15-35kV Outdoor Current Transformers
Applications
• Designed for outdoor service; suitable for operating
meters, instruments, relays and control devices.
Features
• Designed for outdoor service
• Hydrophobic Cycloaliphatic Epoxy insulation
• Ratios from 5:5A to 1200:5A, 50/60Hz
• Dual ratio models available
• Engraved aluminum name plate
• Designed to meet C57.13
• 15kV to 36.5kV with BIL ratings up to 200kV
www.GEDigitalEnergy.com 737
Instrument Transformers
Control Power Transformers
Single Phase Cast Coil Transformers
Applications
• To provide control power in medium voltage switchgear
Features
• Vacuum cast primary coil using epoxy resin
• Single phase rating from 5 kVA to 37.5 kVA
• Voltage rating 5 to 15 kV and BIL rating to 95 kV BIL
Single Phase Cast Coil Transformers
Applications
• To provide control power in medium voltage switchgear
• Generator neutral grounding transformer
Features
• Vacuum cast primary and secondary coils using epoxy resin
• Single phase rating from 25 kVA to 75 kVA
• Voltage rating 5 to 34.5kV and BIL rating to 150 kV BIL
Three Phase Cast Coil Transformers
Applications
• To provide control power in medium voltage switchgear
Features
• Vacuum cast using epoxy resin
• Three phase rating from 15 kVA to 150 kVA
• Voltage rating 5 to 34.5kV and BIL rating to 150 kV BIL
• Horizontal and vertical mounting available in some models
Instrument Transformers
Current Transducers
Applications
• Process control
• Industrial measurement
Features
• Models available for 5 to 600 primary AC current
• Output 4-20 mA dc
• UL recognized
738 www.GEDigitalEnergy.com
Instrument Transformers
IEC - RATED INSTRUMENT TRANSFORMERS
Current Transformers (Low Voltage)
Applications
• Suitable for measuring applications in AC power systems
Features
• Available for indoor applications
• DIN rail mounting
• Designed to meet IEC 60044-1
• 720V rated
Current Transformers (Medium Voltage)
Applications
• Suitable for measuring and protection applications in
AC power systems
Features
• Available for indoor or outdoor applications
• Vacuum cast in epoxy resin
• Designed to meet IEC 60044-1
• Available from 12 to 36 kV
• Multiple core designs available for measuring and
protection in one package
Voltage Transformers (Medium Voltage)
Applications
• Suitable for measuring and protection applications in AC power systems
Features
• Available for indoor or outdoor applications
• Vacuum cast in epoxy resin
• Designed to meet IEC 60044-2
• Available from 12 to 36 kV
• Rated Voltage Factor: 1.2/1.9 (Continuous/8 hours)
Instrument Transformers
Visit www.GEMultilin.com/ITI to:
• View catalog sheets
• Review applications Notes and support documents
• Buy an instrument transformer online
• View the product brochures
www.GEDigitalEnergy.com 0926-v7
739
