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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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.
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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.
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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
