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Supplier: Powertronix Inc.
Description: Current Transformers, also known as Instrument transformer. They are used for sensing current through a conductor. Winding turns ratio will provide a relationship to input current and output current. Powertronix custom design current
- Primary current (Ratio) Range: 200 to 5500 amps
- Type / Applications: Toroidal / Window, Electronics Applications
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Supplier: Time Mark Corporation
Description: The Model 276B Current Transformer is a ring-type current transformer for currents from 50 to 1200 amps. The Model 276B has an accuracy rating of plus or minus 2% for 50-100 amp CT's, and plus or minus 1% over 100 amps at 60 Hz. This CT also features a 25-400 Hz
- Frequency Range: 0.0250 to 0.4000 kHz
- Primary current (Ratio) Range: 50 to 1200 amps
- Secondary Current (Ratio) Range: 0.0 to 5 amps
- Type / Applications: Toroidal / Window
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Supplier: Ohio Semitronics, Inc.
Description: AC current transformers are utilized to aid in measuring high AC current. OSI has a variety of metering class and low cost models available for purchase.
- Accuracy: 1 % F.S.
- Burden: 0.1000 to 45 VA
- Frequency Range: 0.0100 to 0.5000 kHz
- Insulation Voltage: 600 to 720 volts
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Supplier: Powertronix Inc.
Description: Low Inrush Current Isolation transformer has the capability of limiting the inrush current inherently and stop nuisance tripping the breaker without any single external components. Powertronix Low inrush transformer technology is dependable, robust and cost effective.
- Type / Applications: Toroidal / Window, Electronics Applications
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Supplier: Hoyt Electrical Instrument Works, Inc.
Description: Current Ratio: 50:5 - 400:5 A Current Rating:100A Features: 1.05" Mounting Type:Donut Series:2 RoHS Compliant
- Accuracy: 3 % F.S.
- Burden: 2 to 10 VA
- Frequency Range: 0.0500 to 0.4000 kHz
- Insulation Voltage: Up to 600 volts
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Supplier: Hoyt Electrical Instrument Works, Inc.
Description: Features: 2.5" Mounting Type:Foot mounted Series:7 RoHS Compliant: NA. Current ratio 100:5 to 1600:5
- Accuracy: 3 % F.S.
- Burden: 2 to 10 VA
- Frequency Range: 0.0500 to 0.4000 kHz
- Insulation Voltage: Up to 600 volts
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Supplier: Hoyt Electrical Instrument Works, Inc.
Description: Current ranges vary from 50 amps - 400 amps Features:1.56" Mounting Type: Foot mounted Series: 5 RoHS Compliant: NA
- Accuracy: 3 % F.S.
- Burden: 2 to 10 VA
- Frequency Range: 0.0500 to 0.4000 kHz
- Insulation Voltage: Up to 600 volts
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Supplier: Amecon, Inc.
Description: Built to UL, MIL or any other specification required
- Frequency Range: 20 to 100 kHz
- Military Standard: Yes
- Primary current (Ratio) Range: 3 amps
- Type / Applications: Toroidal / Window, PC Mount
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Supplier: SOCOMEC
Description: • The PTI provides automatic shortcircuiting of the CT : if the measuring circuit is opened. • BTV 25 products are voltage transformers. They are used specifically for supplying measurement equipment, therefore it is not recommended to connect other components which could affect accuracy.
- Primary current (Ratio) Range: 1 to 800 amps
- Secondary Current (Ratio) Range: 0.0 to 0.0200 amps
- Type / Applications: Toroidal / Window, Electronics Applications
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Supplier: Hoyt Electrical Instrument Works, Inc.
Description: Fully Encapsulated for indoor and outdoor applications with Ammeters, Wattmeters and Relays. A Standard 5-amp secondary with others available. Used as input for power and current meters Input: 0-50 to 0-1600 Amps AC Typical Output: 0-5 Amps AC Solid Core 50:5 to 1600:5 ratios Features:1.56"
- Accuracy: 3 % F.S.
- Burden: 2 to 10 VA
- Frequency Range: 0.0500 to 0.4000 kHz
- Insulation Voltage: Up to 600 volts
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Supplier: Campbell Scientific, Inc.
Description: The CS15 is a version of the CS10 optimized for use with the CR200-series dataloggers. It consists of a CR Magnetic's CR8459 Current Transformer modified to measure the approximate current over a range of 0 to 125 Amps. The CS15 is recommended for measurements that do not
- Accuracy: 5 % F.S.
- Frequency Range: 0.0500 to 0.0600 kHz
- Insulation Voltage: 500 volts
- Operating Temperature: -25 to 55 C
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Supplier: Sifam Tinsley UK
Description: Earth Leakage Relay Core Balance Current Transformer (CBCT) from SIfam Tinsley. Features • Slim design • Encapsulated CBCT • Compact in size • Light in weight
- Operating Temperature: 10 to 55 C
- Primary current (Ratio) Range: 30 amps
- Type / Applications: Toroidal / Window, Electronics Applications, Noncontact Device
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Supplier: PHOENIX CONTACT USA
Description: Window-type current transformer can be verified, primary current can be selected between 500...2500 A AC; 5 A AC secondary current; accuracy class 0.2 / 0.2S or 0.5 / 0.5S; rated power can be selected. Optional: Calibration of converter and production of associated
- Transformer Category: Current Transformer
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Supplier: PHOENIX CONTACT USA
Description: Window-type current transformer can be verified, primary current can be selected between 400...1500 A AC; 5 A AC secondary current; accuracy class can be selected as 0.2 / 0.2S or 0.5 / 0.5S; rated power can be selected. Optional: Calibration of converter and
- Transformer Category: Current Transformer
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Supplier: PHOENIX CONTACT USA
Description: Window-type current transformer can be verified; primary current can be selected between 200...1200 A AC; 5 A AC secondary current; accuracy class 0.2 / 0.2S or 0.5 / 0.5S; rated power can be selected. Optional: Calibration of converter and production of associated
- Transformer Category: Current Transformer
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Supplier: PHOENIX CONTACT USA
Description: Window-type current transformer can be verified, primary current can be selected between 400...1500 A AC; 5 A AC secondary current; accuracy class 0.2 / 0.2S or 0.5 / 0.5S; rated power can be selected. Optional: Calibration of converter and production of associated
- Transformer Category: Current Transformer
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Supplier: CARLO GAVAZZI Automation Components
Description: Solid-core current transformer with bus-bar mounting facility. Rated primary currents from 400 A to 3200 A. Bus-bar type solid-core current transformer Class 0.5 accuracy Currents from 400 A to 3200 A Up to 10 Bus-bar isolated fixing screws Double screw
- Burden: 1 to 60 VA
- Frequency Range: 0.0480 to 0.0620 kHz
- Insulation Voltage: 3000 volts
- Operating Temperature: -30 to 70 C
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Supplier: CARLO GAVAZZI Automation Components
Description: Cable/Bus-bar type current transformer with DIN-rail/busbar and panel mounting facility. Rated primary currents from 40 A to 600 A. Bus-bar type current transformer 0.5 class, currents from 40 to 600 A Integrated DIN-rail mounting holder Removable panel
- Burden: 1.25 to 20 VA
- Frequency Range: 0.0450 to 0.0650 kHz
- Insulation Voltage: 3000 volts
- Operating Temperature: -25 to 60 C
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Supplier: CARLO GAVAZZI Automation Components
Description: Cable/Bus-bar type current transformer with DIN-rail/busbar and panel mounting facility. Rated primary currents from 150 A to 1600 A. Bus-bar type current transformer 0.5 class, currents from 150 to 1600 A Removable panel fixing clips Up to 6 Bus-bar
- Burden: 2.4 to 30 VA
- Frequency Range: 0.0450 to 0.0650 kHz
- Insulation Voltage: 3000 volts
- Operating Temperature: -25 to 60 C
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Supplier: CARLO GAVAZZI Automation Components
Description: Cable/Bus-bar type current transformer with DIN-rail/ bus-bar and panel mounting facility. Rated primary currents from 50 A to 800 A. Bus-bar type current transformer 0.5 class, currents from 50 to 800 A Integrated DIN-rail mounting holder Removable panel
- Burden: 1.75 to 32 VA
- Frequency Range: 0.0450 to 0.0650 kHz
- Insulation Voltage: 3000 volts
- Operating Temperature: -25 to 60 C
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Supplier: Schneider Electric
Description: Used for measurement and control of distribution equipment. Available in multiple window sizes and configurations to maximize applications. Square D offers 3 models of voltage transformers.
- Transformer Category: Current Transformer
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Supplier: Hammond Manufacturing Company Inc.
Description: wire carrying the current to be measured through the window of the CT transformer (acting as a primary winding). Connect the CT secondary to an ammeter with a 5 A movement. For higher accuracy or higher VA burden rating: Choose a CT with a primary which is
- Standards: RoHS Compliant
- Transformer Category: Signal / RF Transformer
- Type: Electronics Transformer
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Supplier: RS Components, Ltd.
Description: residual current monitors control an electrical installation for the presence of an unbalanced residual current and indicate when it exceeds a predetermined level. They can optionally be used for alarming and triggering switching devices. Maximum Cable Diameter = 35mm
- Operating Temperature: -10 to 50 C
- Type / Applications: Toroidal / Window
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Supplier: RS Components, Ltd.
Description: residual current monitors control an electrical installation for the presence of an unbalanced residual current and indicate when it exceeds a predetermined level. They can optionally be used for alarming and triggering switching devices. Maximum Cable Diameter = 20mm
- Transformer Category: Current Transformer
- Type / Applications: Toroidal / Window
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Supplier: A.H. Systems Inc.
Description: quantitative magnitudes of current. Measurements can be made on single and multi-conductor cables, ground and bonding straps, shielded conduits and on coaxial cables. A current probe acts as a single turn primary, multiple turn secondary transformer, placing low series impedance
- Current Type: AC Current
- Frequency Range: 10000 to 5.00E8 Hz
- Measuring Range: 80 to 400 amps
- Mounting / Configuration: Clamp or Bolt On
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Supplier: nVent Electric
Description: These Current Transformer Cabinets (for Window-Type Current Transformers) provide Type 3R protection and a factory-installed wiring buss for 400-800 Amp, 600 VAC current transformers. The assembly has a 50 k AIC rating.
- Depth: 11 inch
- Height: 36 inch
- Material: Steel
- NEMA Rating: Type 3R
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Supplier: Panel Components & Systems, Inc.
Description: PC&S has commercial grade, low cost window type current transformers typically used with ammeters in such AC applications as panelboards, control panels and engine generators. Solid core, split-core and clamp-on current transformers that are UL and C-UL listed.
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Supplier: Littelfuse, Inc.
Description: The ECSW Series of single-phase, AC window, current sensors includes adjustable overcurrent and undercurrent trip points. Detects locked rotor, jam, loss of load, an open heater or lamp load, a broken belt, or loss of suction. LED’s aid in trip point adjustment and provide fault
- DC Current Range: 50 amps
- Form Factor: Other
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Supplier: ValueTronics International, Inc.
Description: TOS5051 is a withstanding voltage tester having a transformer capacity of 500 VA and test voltage of 0 to 5 kV that allows both application of AC and DC. The Pass/fail judgement function employs a window comparator type that enables highly reliable testing including that for test lead
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Supplier: Sifam Tinsley UK
Description: These meters offer several advantages in switchboards and Transformers Panels. Front window glass and bezel can be easily replaced.
- Analog Input Channels: 1
- Analog Input Type: AC Current, Frequency
- Current Range: 5 amps
- Depth: 52 mm
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Supplier: ValueTronics International, Inc.
Description: The HT7052 is a HiPot from HT Instruments. HiPot, or high potential, is a class of electronic test equipment used to verify electrical insulation. Engineers use HiPot-testing instruments on cables, wires, circuit boards, appliances, electric motors, and transformers. As a product ages, its
- Types of Measurements: Insulation Resistance, Current Leakage Tester
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Analog Ammeters - Ammeter, 0-3ACA, + 2%; 3-1/2 in.; 2%; 2.73 in.; 0.128 in.; -20 to degC -- 70209419Supplier: Allied Electronics, Inc.
Description: AC Panel Meters, ± 2% Accuracy, 2% Repeatability, UL Recognized Wide angle visibility Phenolic cases with clear acrylic windows The AC meters measuring current inputs between 5 and 50 amps can be ordered as self contained units or as 5 A panel meters to be used with an optional
- AC Current Range: 0.0 to 3 amps
- Measurement Type: AC
- Operating Temperature: -20 to 65 C
- Standards and Certifications: UL
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Supplier: Sifam Tinsley UK
Description: , averaged current I Demand /15, 30 or 60 minutes/. Voltages and currents are multiplied by given voltage and current ratios of the measuring transformers. Power and energy indications take into account all programmed ratio values. The value of each measured value can be
- Analog Input Channels: 3
- Analog Input Type: AC Voltage, AC Current, Frequency
- Current Range: 1 to 5 amps
- Display Technology: LCD
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Supplier: Gefran
Description: Thermistor PTC Linear inputs 0...60mV, 12...60mV, 0...20mA, 4...20mA, 0...10V, 2...10V The type of input is selected from the faceplate keys and no external shunts or adapter are required. Model 401 can have an auxiliary input for a 50mAac current transformer to monitor the load
- Control Signal Output: Analog Voltage, Switch / Relay Output
- Control Technique: Limit / Set Point Control, PID Control
- Controller Inputs: DC Voltage Input, Current Loop (Transmitter) Input, Resistive / Potentiometer Input
- Form Factor: DIN Rail
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Supplier: Monarch Instrument
Description: configured to display real time data in digital or trend format. Configuring the 1250 is an intuitive process which uses an easy to follow menu system. Versatile Power The DC1250 is supplied with a universal wall transformer power supply that can operate from 100 to 240Vac 50/60Hz
- Accuracy: 0.1000 % FS
- Analog Input Channels: 2 #
- Application: General Lab and Industrial
- Connection to Host: USB, Ethernet
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Conduct Research Top
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Current Transformers
Current transformers (CT's) provide a simple, inexpensive and yet accurate means of sensing current flow in power conductors. They are available in 3 basic configurations: Split Core CT's are available for measuring currents from 100 to 5000 amps, with windows in varying sizes from 1" by 2" to 13
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MSilica Nanoparticles Treated by Cold Atmospheric-Pressure Plasmas Improve the Dielectric Performance of Organic-Inorganic Nanocomposites
with standard DEP. Four system designs with rectangular and circular. mixing chambers were fabricated in PDMS. Mixing tests were conducted for flow rates. from 0.005 to 1 mL/h subject to an alternating current signal range of 0-300 V at. 100-600 kHz. When the time scales of the bulk fluid motion and the DEP
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IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems
See also Window current transformer (CT) accuracy, 51–52, 56–61 applications, 50–51 auxiliary, 61–62, 100, 110 basic impulse insulation levels (BILs), 51 burden, 52, 53, 61 connections, 55–56 core-balance, 250–252, 274 differential current, 108–109 flux density, 61 overcurrent ratio curves, 53–54 polarity …
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Current Transformer Accuracy with Asymmetric and High Frequency Fault Currents
commercially available window current transformers is determined for asymmetrical 60 Hz fault currents and for lower magni- tude higher frequency currents.
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Ground fault protection for electric utility generating station 480-volt auxiliary power systems
Mr. Baldwinmakes an excellent observation that application of window current transformers must not permit bypassing of the ground fault path.