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current transformers range, cct31.3 rms, cct41.4 rms

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  • FEATURES

  • Primary currents from 0-50 Amps to 0-750 Amps

  • Universal AC 20Hz to 6KHz or DC measurement

  • Output 4-20mA

  • Class 1 accuracy

  • TRMS measurement

  • Foot mounted

  • Two frame sizes

  • Fast response time

AC/DC "CT" STYLE CURRENT TRANSDUCERS
ASK101.4

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ASK101.4 Features  FOOT MOUNTED OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 130mm  MAX CONDUCTOR SIZE 70mm DIA  MAX BUS-BAR SIZE 100 x 10mm OR 2 x 80 x 10mm  PRIMARY RANGES FROM 500AMPS TO 2500AMPS  1AMP OR 5AMP SECONDARIES

ASK101.4
ASK103.3

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ASK103.3 Features  FOOT MOUNTED OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 172mm  MAX CONDUCTOR SIZE 85mm DIA  MAX BUS-BAR SIZE 2 x 100 x 10mm OR 3 x 80 x 10mm  PRIMARY RANGES FROM 800AMPS TO 3000AMPS  1AMP OR 5AMP SECONDARIES

ASK103.3
ASK103.41

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ASK103.41 Features  FOOT MOUNTED OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 199mm  MAX BUS-BAR SIZE 103 x 41mm  PRIMARY RANGES FROM 400AMPS TO 2000AMPS  1AMP OR 5AMP SECONDARIES

ASK103.41
ASK105.6

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ASK105.6 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 129mm  MAX BUS-BAR SIZE 100 x 55mm  PRIMARY RANGES FROM 600AMPS TO 2000AMPS  1AMP OR 5AMP SECONDARIES

ASK105.6
ASK105.6N

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ASK105.6N Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 129mm  MAX BUS-BAR SIZE 100 x 55mm  PRIMARY RANGES FROM 2500AMPS TO 5000AMPS  1AMP OR 5AMP SECONDARIES

ASK105.6N
ASK123.3

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ASK123.3 Features  FOOT MOUNTED OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 172mm  MAX CONDUCTOR SIZE 100mm DIA  MAX BUS-BAR SIZE 123 x 30mm OR 3 x 100 x 10mm  PRIMARY RANGES FROM 1000AMPS TO 4000AMPS  1AMP OR 5AMP SECONDARIES

ASK123.3
ASK127.4

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ASK127.4 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 159mm  MAX BUS-BAR SIZE 120 x 70mm  PRIMARY RANGES FROM 1000AMPS TO 2500AMPS  1AMP OR 5AMP SECONDARIES

ASK127.4
ASK128.4

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ASK128.4 Features  FOOT MOUNTED OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 100mm  MAX BUS-BAR SIZE 128 x 38mm  PRIMARY RANGES FROM 400AMPS TO 4000AMPS  1AMP OR 5AMP SECONDARIES

ASK128.4
ASK129.10

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ASK129.10 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 250mm  MAX BUS-BAR SIZE 120 x 90mm  PRIMARY RANGES FROM 1000AMPS TO 7500AMPS  1AMP OR 5AMP SECONDARIES

ASK129.10
ASK130.5

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ASK130.5 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 180mm  MAX BUS-BAR SIZE 130 x 30mm  PRIMARY RANGES FROM 300AMPS TO 3200AMPS  1AMP OR 5AMP SECONDARIES

ASK130.5
ASK231.5

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ASK231.5 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 49.5mm  MAX CONDUCTOR SIZE 28mm DIA.  MAX BUS-BAR SIZE 30 x 10mm  PRIMARY RANGES FROM 50AMPS TO 600AMPS  1AMP OR 5AMP SECONDARIES

ASK231.5
ASK31.3

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ASK31.3 Features  DIN RAIL, BUS-BAR OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 60mm  MAX CONDUCTOR SIZE 26mm DIA  MAX BUS-BAR SIZE 30 x 10mm  PRIMARY RANGES FROM 50AMPS TO 750AMPS  1AMP OR 5AMP SECONDARIES

ASK31.3
ASK31.5

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ASK31.5 Features  DIN RAIL, BUS-BAR OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 60mm  MAX CONDUCTOR SIZE 28mm DIA.  MAX BUS-BAR SIZE 2 X 20 X 10mm OR 30 X 10mm  PRIMARY RANGES FROM 40AMPS TO 600AMPS  1AMP OR 5AMP SECONDARIES

ASK31.5
ASK318.3

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ASK318.3 Features  DIN RAIL, BUS-BAR OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 60mm  MAX CONDUCTOR SIZE 26mm DIA  MAX BUS-BAR SIZE 31 x 18mm  PRIMARY RANGES FROM 60AMPS TO 750AMPS  1AMP OR 5AMP SECONDARIES

ASK318.3
ASK41.3

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ASK41.3 Features  DIN RAIL, BUS-BAR OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 60mm  MAX CONDUCTOR SIZE 26mm DIA  MAX BUS-BAR SIZE 40 x 12mm OR 32 x 18mm  PRIMARY RANGES FROM 100AMPS TO 800AMPS  1AMP OR 5AMP SECONDARIES

ASK41.3
ASK41.4

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ASK41.4 Features  DIN RAIL, BUS-BAR OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 70mm  MAX CONDUCTOR SIZE 32mm DIA  MAX BUS-BAR SIZE 40 x 10mm OR 2 x 30 x 5mm  PRIMARY RANGES FROM 50AMPS TO 1000AMPS  1AMP OR 5AMP SECONDARIES

ASK41.4
ASK412.4

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ASK412.4 Features  DIN RAIL, BUS-BAR OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 70mm  MAX CONDUCTOR SIZE 30.5mm DIA  MAX BUS-BAR SIZE 40 x 12mm OR 30 x 15mm  PRIMARY RANGES FROM 50AMPS TO 800AMPS  1AMP OR 5AMP SECONDARIES

ASK412.4
ASK51.4

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ASK51.4 Features  FOOT MOUNTED OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 85mm  MAX CONDUCTOR SIZE 44mm DIA  MAX BUS-BAR SIZE 2 X 40 X 10 mm OR 50 X 12mm  PRIMARY RANGES FROM 100AMPS TO 1200AMPS  1AMP OR 5AMP SECONDARIES

ASK51.4
ASK541.4

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ASK541.4 Features  FOOT MOUNTED OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 85mm  MAX CONDUCTOR SIZE 32mm DIA  MAX BUS-BAR SIZE 2 x 30x 5mm OR 40 x 10mm  PRIMARY RANGES FROM 30AMPS TO 1000AMPS  1AMP OR 5AMP SECONDARIES

ASK541.4
ASK561.4

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ASK561.4 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 85mm  MAX CONDUCTOR SIZE 44mm DIA  MAX BUS-BAR SIZE 60 x 10mm OR 2 x 50 x 10mm  PRIMARY RANGES FROM 200AMPS TO 1200AMPS  1AMP OR 5AMP SECONDARIES

ASK561.4
ASK61.4

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ASK61.4 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 95mm  MAX CONDUCTOR SIZE 44mm DIA  MAX BUS-BAR SIZE 63 x 10mm OR 2 x 50 x 10mm  PRIMARY RANGES FROM 200AMPS TO 1600AMPS  1AMP OR 5AMP SECONDARIES

ASK61.4
ASK63.4

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ASK63.4 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 95mm  MAX CONDUCTOR SIZE 44mm DIA  MAX BUS-BAR SIZE 60 x 30mm OR 50 x 40mm  PRIMARY RANGES FROM 300AMPS TO 2000AMPS  1AMP OR 5AMP SECONDARIES

ASK63.4
ASK63.6

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ASK63.6 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 88mm  MAX CONDUCTOR SIZE 30mm DIA  MAX BUS-BAR SIZE 60 x 30mm  PRIMARY RANGES FROM 200AMPS TO 2000AMPS  1AMP OR 5AMP SECONDARIES

ASK63.6
ASK81.4

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ASK81.4 Features  FOOT OR BUS-BAR MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  TRANSFORMER WIDTH 120mm  MAX CONDUCTOR SIZE 55mm DIA  MAX BUS-BAR SIZE 80 x 10mm OR 60 x 30 OR 2 x 60 x 10mm  PRIMARY RANGES FROM 400AMPS TO 2000AMPS  1AMP OR 5AMP SECONDARIES

ASK81.4
ASK83.4

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ASK83.4 Features  FOOT MOUNTED OR BUS-BAR MOUNTED  DUAL POSITION OF SECONDARY TERMINALS (TOP & SIDE)  INSULATED ENDS TO BUS-BAR PINCH SCREWS  EXTERNAL DIMENSION 116 x 96mm  MAX BUS-BAR SIZE 84 X 34mm  PRIMARY RANGES FROM 300AMPS TO 2500AMPS  1AMP OR 5AMP SECONDARIES

ASK83.4
ASR20.3

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ASR20.3 Features  DIN RAIL MOUNTED OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  TRANSFORMER WIDTH 44mm  MAX CONDUCTOR SIZE 21mm DIA  PRIMARY RANGES FROM 50AMPS TO 300AMPS  1AMP OR 5AMP SECONDARIES

ASR20.3
ASR21.3

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ASR21.3 Features  DIN RAIL MOUNTED OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  TRANSFORMER WIDTH 48.5mm  MAX CONDUCTOR SIZE 22.5mm DIA  PRIMARY RANGES FROM 100AMPS TO 600AMPS  1AMP OR 5AMP SECONDARIES

ASR21.3
ASR22.3

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ASR22.3 Features  DIN RAIL MOUNTED OR FOOT MOUNTED  SNAP FIT SECONDARY TERMINAL COVERS  TRANSFORMER WIDTH 60mm  MAX CONDUCTOR SIZE 22.5mm DIA  PRIMARY RANGES FROM 40AMPS TO 600AMPS  1AMP OR 5AMP SECONDARIES

ASR22.3
FOX.SC, FOX.SC18, FOX.SC32, FOX.SC44, Split core, KBR, KBR18, KBR 18, KBR32, KBR 32, KBR44, KBR 44

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The KBR18, 32 and 44 features Integral ratchet style cable clamp with CLICK SHUT closing action.  Primaries from 50 Amps to 1000 Amps with a max aperture sizes of 18mm, 32mm and 44mm diameter. Class 1 accuracy.  Secondaries 5 Amp, 1 Amp, 0-333mVAC and 4-20mA available.

KBR18, KBR 32 & KBR44
KBU23, split core

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KBU23 Features  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  UNIQUE SNAP SHUT & RELEASE ACTION  TRANSFORMER WIDTH 93mm  MAX BUS-BAR SIZE 20 x 30mm  PRIMARY RANGES FROM 100AMPS TO 400AMPS  1AMP OR 5AMP SECONDARIES

KBU23
KBU58, split core

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KBU58 Features  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  UNIQUE SNAP SHUT & RELEASE ACTION  TRANSFORMER WIDTH 125mm  MAX BUS-BAR SIZE 50 x 80mm  PRIMARY RANGES FROM 250AMPS TO 1000AMPS  1AMP OR 5AMP SECONDARIES

KBU58
KBU812, split core

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KBU812 Features  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  UNIQUE SNAP SHUT & RELEASE ACTION  TRANSFORMER WIDTH 155mm  MAX BUS-BAR SIZE 80 x 120mm  PRIMARY RANGES FROM 250AMPS TO 1500AMPS  1AMP OR 5AMP SECONDARIES

KBU812
KBU816, split core

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KBU816 Features  SNAP FIT SECONDARY TERMINAL COVERS  INSULATED ENDS TO BUS-BAR PINCH SCREWS  UNIQUE SNAP SHUT & RELEASE ACTION  TRANSFORMER WIDTH 193mm  MAX BUS-BAR SIZE 80 x 160mm  PRIMARY RANGES FROM 1000AMPS TO 5000AMPS  1AMP OR 5AMP SECONDARIES

KBU816
OCR, Relay trip, MBS,

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Look at this for a great idea, do you ultimately need a relay contact output for your current measurement? Many of the CTs feature a plug in relay module option. Just twist of the secondary terminal covers and remove the secondary terminal screws. Screw in the brass transformer to module connecting studs and plug in the OCR module. The OCR modules provide two volt free contact outputs rated at 5Amps 1N/C and 1N/O, connected to an adjustable time delay to avoid nuisance tripping. The OCR modules always require an auxiliary supply, 24VAC is also possible with the OCR module.

OCR Current Relay
KSU2, KSU3, SUSK4, SUSK5, SUSK6, SUSK7, SUSK8

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Summation current transformers enable the summation of several independant loads on different supplies. An example three 3 phase supplies to be read by one KWh meter. Supply 1: 200Amps, Supply 2: 800Amps, supply 3: 1000Amps Required for each supply are three main CTs of the above primary currents, one for each phase R/Y/B. Also required will be three, 3 input summation CTs, each of the summation CTs must be designated to a phase. The secondaries from the Red phase main CTs should be fed to the inputs of the Red phase summation CT, likewise the same applies for Yellow and Blue phases. The secondary output from the summation CT will then equal the sum of the 3 primary currents:- 200/5 + 800/5 + 1000/5 = 2000/5. The meter being used must therefore be calibrated for 2000/5. The above example of summation CTs have unbalanced ratio inputs and therefore have to be manufactured to order. Balanced ratio input summation CTs are usually ex-stock. Summation CTs can also be used for subtraction purposes by reversing the polariry of the inputs. It is also possible to summate a mixture of single phase and three phase supplies.

Summation CTs
WSK40

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WSK40 Features  DIN RAIL MOUNTED OR FOOT MOUNTED  SNAP FIT TERMINAL COVERS  TRANSFORMER WIDTH 70mm  PRIMARY RANGES FROM 1AMP TO 40AMPS  1AMP OR 5AMP SECONDARIES

WSK40