Current Transformers
171 parts
Current transformers (CT) from Schneider Electric, Siemens and ABB, with over 160 products for metering and protection in low-voltage panels. Primary ratings run from 40 A to 6000 A, mostly with a 5 A secondary, plus low-voltage output types for compact meters. Stoklink ships worldwide from Turkey and quotes bulk orders on request.
171 parts
Showing 1–483UL2307-1A 3UL2Siemens · 3UL2 Residual Current Device
3UL2305-1A 3UL2Siemens · 3UL2 Residual Current Device
3UL2304-1A 3UL2Siemens · 3UL2 Residual Current Device
3UL2302-1A 3UL2Siemens · 3UL2 Residual Current Device
3UL2303-1A 3UL2Siemens · 3UL2 Residual Current Device
METSECT5DC250 PowerLogic CTSchneider Electric · PowerLogic 2500/5 A current transformer, Class 0.5, 54 x 127 mm busbar window, IEC 61869-2.
METSECT5DC200 PowerLogic CTSchneider Electric · PowerLogic 2000/5 A current transformer, Class 0.5, 54 x 127 mm busbar window, IEC 61869-2.
METSECT5DB300 PowerLogic CTSchneider Electric · PowerLogic 3000/5 A current transformer, Class 0.5, 127 x 38 mm busbar window, IEC 61869-2.
METSECT5DB250 PowerLogic CTSchneider Electric · PowerLogic 2500/5 A current transformer, Class 0.5, 127 x 38 mm busbar window, IEC 61869-2.
METSECT5DB200 PowerLogic CTSchneider Electric · PowerLogic 2000/5 A current transformer, Class 0.5, 127 x 38 mm busbar window, IEC 61869-2.
METSECT5DB150 PowerLogic CTSchneider Electric · PowerLogic 1500/5 A current transformer, Class 0.5, 127 x 38 mm busbar window, IEC 61869-2.
METSECT5DB125 PowerLogic CTSchneider Electric · PowerLogic 1250/5 A current transformer, Class 0.5, 127 x 38 mm busbar window, IEC 61869-2.
METSECT5DB100 PowerLogic CTSchneider Electric · PowerLogic 1000/5 A current transformer, Class 0.5, 127 x 38 mm busbar window, IEC 61869-2.
METSECT5DA150 PowerLogic CTSchneider Electric · PowerLogic 1500/5 A current transformer, Class 0.5, 65 x 32 mm busbar window, IEC 61869-2.
METSECT5DA125 PowerLogic CTSchneider Electric · PowerLogic 1250/5 A current transformer, Class 0.5, 65 x 32 mm busbar window, IEC 61869-2.
METSECT5DA100 PowerLogic CTSchneider Electric · PowerLogic 1000/5 A current transformer, Class 0.5, 65 x 32 mm busbar window, IEC 61869-2.
METSECT5DA080 PowerLogic CTSchneider Electric · PowerLogic 800/5 A current transformer, Class 0.5, 65 x 32 mm busbar window, IEC 61869-2.
METSECT5DA060 PowerLogic CTSchneider Electric · PowerLogic 600/5 A current transformer, Class 0.5, 65 x 32 mm busbar window, IEC 61869-2.
METSECT5DA050 PowerLogic CTSchneider Electric · PowerLogic 500/5 A current transformer, Class 0.5, 65 x 32 mm busbar window, IEC 61869-2.
METSECT5DA040 PowerLogic CTSchneider Electric · PowerLogic 400/5 A current transformer, Class 0.5, 65 x 32 mm busbar window, IEC 61869-2.
METSECT5CC025 PowerLogic CTSchneider Electric · PowerLogic 250/5 A current transformer, Class 0.5, 21 mm cable window, IEC 61869-2.
METSECT5CC020 PowerLogic CTSchneider Electric · PowerLogic 200/5 A current transformer, Class 0.5, 21 mm cable window, IEC 61869-2.
METSECT5CC008 PowerLogic CTSchneider Electric · PowerLogic 75/5 A current transformer, Class 1, 21 mm cable window, IEC 61869-2.
METSECT5CC015 PowerLogic CTSchneider Electric · PowerLogic 150/5 A current transformer, Class 0.5, 21 mm cable window, IEC 61869-2.
METSECT5CC006 PowerLogic CTSchneider Electric · PowerLogic 60/5 A current transformer, Class 1, 21 mm cable window, IEC 61869-2.
METSECT5CC005 PowerLogic CTSchneider Electric · PowerLogic 50/5 A current transformer, Class 1, 21 mm cable window, IEC 61869-2.
METSECT5CC013 PowerLogic CTSchneider Electric · PowerLogic 125/5 A current transformer, Class 0.5, 21 mm cable window, IEC 61869-2.
METSECTV45025 LVCTSchneider Electric · PowerLogic LVCT 3-in-1 solid-core CT, 250 A, 0.333 V output, 45 mm centres, RJ45 to PM2200R/PM5300R meters.
METSECT5CC010 PowerLogic CTSchneider Electric · PowerLogic 100/5 A current transformer, Class 0.5, 21 mm cable window, IEC 61869-2.
METSECT5CC004 PowerLogic CTSchneider Electric · PowerLogic 40/5 A current transformer, Class 3, 21 mm cable window, IEC 61869-2.
METSECTV35025 LVCTSchneider Electric · PowerLogic LVCT 3-in-1 solid-core CT, 250 A, 0.333 V output, RJ45 to PM2200R/PM5300R meters.
METSECTV35020 LVCTSchneider Electric · PowerLogic LVCT 3-in-1 solid-core CT, 200 A, 0.333 V output, RJ45 to PM2200R/PM5300R meters.
METSECTV35016 LVCTSchneider Electric · PowerLogic LVCT 3-in-1 solid-core CT, 160 A, 0.333 V output, RJ45 to PM2200R/PM5300R meters.
METSECTV35013 LVCTSchneider Electric · PowerLogic LVCT 3-in-1 solid-core CT, 125 A, 0.333 V output, RJ45 to PM2200R/PM5300R meters.
METSECTV35010 LVCTSchneider Electric · PowerLogic LVCT 3-in-1 solid-core CT, 100 A, 0.333 V output, RJ45 to PM2200R/PM5300R meters.
METSECTV35006 LVCTSchneider Electric · PowerLogic LVCT 3-in-1 solid-core CT, 60 A, 0.333 V output, RJ45 to PM2200R/PM5300R meters.
METSECT5VV600 CTSchneider Electric · PowerLogic VV-type busbar current transformer, 6000/5 A ratio, Class 0.5 at 70 VA, 55 x 165 mm opening.
METSECT5VV500 CTSchneider Electric · PowerLogic VV-type busbar current transformer, 5000/5 A ratio, Class 0.5 at 60 VA, 55 x 165 mm opening.
METSECT5MD080 CTSchneider Electric · PowerLogic MD-type tropicalised CT, 800/5 A ratio, Class 0.5/1 accuracy, 40 mm cable or dual busbar opening.
METSECT5MD060 CTSchneider Electric · PowerLogic MD-type tropicalised CT, 600/5 A ratio, Class 0.5/1 accuracy, 40 mm cable or dual busbar opening.
METSECT5MD050 CTSchneider Electric · PowerLogic MD-type tropicalised CT, 500/5 A ratio, Class 0.5/1 accuracy, 40 mm cable or dual busbar opening.
METSECT5MC080 CTSchneider Electric · PowerLogic MC-type tropicalised CT, 800/5 A ratio, Class 0.5/1 accuracy, 32 mm cable or triple busbar opening.
METSECT5MC060 CTSchneider Electric · PowerLogic MC-type tropicalised CT, 600/5 A ratio, Class 0.5/1 accuracy, 32 mm cable or triple busbar opening.
METSECT5MC050 CTSchneider Electric · PowerLogic MC-type tropicalised CT, 500/5 A ratio, Class 0.5/1 accuracy, 32 mm cable or triple busbar opening.
METSECT5MC040 CTSchneider Electric · PowerLogic MC-type tropicalised CT, 400/5 A ratio, Class 0.5/1 accuracy, 32 mm cable or triple busbar opening.
METSECT5MC030 CTSchneider Electric · PowerLogic MC-type tropicalised CT, 300/5 A ratio, Class 0.5/1 accuracy, 32 mm cable or triple busbar opening.
METSECT5MC025 CTSchneider Electric · PowerLogic MC-type tropicalised CT, 250/5 A ratio, Class 0.5/1 accuracy, 32 mm cable or triple busbar opening.
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Current Transformers buying guide
What's in this range
- Schneider Electric PowerLogic CT types, such as MC, HD, HG and GJ, in accuracy classes from 0.5 to 3.
- Schneider Electric PowerLogic LVCT solid-core transformers with a low-voltage output such as 0.333 V.
- Siemens 4NC5 transformers, for example 150/5 A and 1600/5 A.
- ABB split-core transformers designed for use with InSite Pro energy management devices.
- Low-voltage output types for compact meters and energy sensors.
How to choose
- Primary current: pick a ratio slightly above the maximum load current so the meter works in its accurate range.
- Secondary: 5 A is standard for panel meters, 1 A is used where leads are long, and mV output types need a matching meter input.
- Accuracy class and burden: class 0.5 or better for billing, class 1 for monitoring, and check that the burden in VA covers the meter and wiring.
- Window size: the opening must fit the busbar or cable. Split-core types install without disconnecting the conductor.
Current Transformers questions
What happens if a current transformer secondary is left open?
A live current transformer must never run with an open secondary. The voltage can rise to a dangerous level.
What is the difference between a metering CT and a protection CT?
A metering CT is accurate at normal load current. A protection CT keeps its accuracy at high fault currents so relays can trip correctly.
Can you ship current transformers to my country?
Yes. Stoklink ships worldwide from Turkey under EXW terms. Lead time depends on distributor stock, and project quantities are quoted on request.