Current Transformer (CT) Picker

Learn more about current sensors on our blog:
Easy Steps to Choosing the Right Current transformers

RoCoil, Split Core, Clamp On, Standard & Revenue Grade Current Transformers

ImagePart NumberRated Current (333.3mV)CT StyleFormWindow SizeCurrent RangeAccuracy GradeAccuracy RatingLead LengthPriceBuyhf:att:pa_current-ratinghf:att:pa_stylehf:att:pa_formhf:att:pa_revenue-gradehf:tags
20/50/100/200A Split Core Block Hinged Current Transformer - 20A, 0.4" (10mm), 0.25-40A, 9.8' (3m), Not Applicable
CTHSC020U20ASplit CoreBlock- Hinged0.4" (10mm)0.25-40AStandard±0.5% error9.8' (3m)$35.00
20asplit-coreblock-hingedno
20/50/100/200A Split Core Block Hinged Current Transformer - 20A, 0.4" (10mm), 0.25-40A, 23' (7m), Not Applicable
CTHSC020U-7M20ASplit CoreBlock- Hinged0.4" (10mm)0.25-40AStandard±0.5% error23' (7m)$50.00
20asplit-coreblock-hingedno
20/50/100/200A Split Core Block Hinged Current Transformer - 50A, 0.4" (10mm), 0.25-80A, 9.8' (3m), Not Applicable
CTHSC050U50ASplit CoreBlock- Hinged0.4" (10mm)0.25-80AStandard±0.5% error9.8' (3m)$35.00
50asplit-coreblock-hingedno
20/50/100/200A Split Core Block Hinged Current Transformer - 50A, 0.4" (10mm), 0.25-80A, 23' (7m), Not Applicable
CTHSC050U-7M50ASplit CoreBlock- Hinged0.4" (10mm)0.25-80AStandard±0.5% error23' (7m)$50.00
50asplit-coreblock-hingedno
20/50/100/200A Split Core Block Hinged Current Transformer - 100A, 1.0" (25mm), 1-200A, 9.8' (3m), Not Applicable
CTHMC100U100ASplit CoreBlock- Hinged1.0" (25mm)1-200AStandard±0.5% error9.8' (3m)$85.00
100asplit-coreblock-hingedno
20/50/100/200A Split Core Block Hinged Current Transformer - 100A, 1.0" (25mm), 1-200A, 23' (7m), Not Applicable
CTHMC100U-7M100ASplit CoreBlock- Hinged1.0" (25mm)1-200AStandard±0.5% error23' (7m)$98.00
100asplit-coreblock-hingedno
20/50/100/200A Split Core Block Hinged Current Transformer - 200A, 1.0" (25mm), 1-300A, 9.8' (3m), Not Applicable
CTHMC200U200ASplit CoreBlock- Hinged1.0" (25mm)1-300AStandard±0.5% error9.8' (3m)$85.00
200asplit-coreblock-hingedno
20/50/100/200A Split Core Block Hinged Current Transformer - 200A, 1.0" (25mm), 1-300A, 23' (7m), Not Applicable
CTHMC200U-7M200ASplit CoreBlock- Hinged1.0" (25mm)1-300AStandard±0.5% error23' (7m)$98.00
200asplit-coreblock-hingedno
400/600/1000A Split Core Rectangular Slide-Out Current Transformers - 400A, 1.25" (32mm), 8-480A, Not Applicable
CTSCM0400U400ASplit CoreRectangular - Slide-Out1.25" (32mm)8-480AStandard±1% error9.8' (3m)$92.00
400asplit-corerectangular-slide-outno
400/600/1000A Split Core Rectangular Slide-Out Current Transformers - 600A, 1.25" (32mm), 12-720A, Not Applicable
CTSCM0600U600ASplit CoreRectangular - Slide-Out1.25" (32mm)12-720AStandard±1% error9.8' (3m)$92.00
600asplit-corerectangular-slide-outno
400/600/1000A Split Core Rectangular Slide-Out Current Transformers - 1000A, 2.0" (51mm), 20-1200A, Not Applicable
CTSCL1000U1000ASplit CoreRectangular - Slide-Out2.0" (51mm)20-1200AStandard±1% error9.8' (3m)$109.00
1000asplit-corerectangular-slide-outno
150A Split Core EZ Clamp-On Current Transformer
CTCON0150EZU150ASplit CoreEZ Clamp-On1.0" (25mm)0.5-300AStandard±1% error8' (2.4m)$109.00
150asplit-coreclamp-on-ez-clampno
100A/200A/400A Revenue Grade Split Core Rectangular Hinged Current Transformers - 100A, 1.25" (32mm), 1-200A
CTSRL100U100ASplit CoreRectangular - Hinged1.25" (32mm)1-200ARevenue (Tenant Billing)±0.2% error8' (2.4m)$140.00
100asplit-corerectangular-hingedyesctep-california-type-evaluation-program nyc-ll88-locallaw-88
100A/200A/400A Revenue Grade Split Core Rectangular Hinged Current Transformers - 200A, 1.25" (32mm), 2-400A
CTSRL200U200ASplit CoreRectangular - Hinged1.25" (32mm)2-400ARevenue (Tenant Billing)±0.2% error8' (2.4m)$140.00
200asplit-corerectangular-hingedyesctep-california-type-evaluation-program nyc-ll88-locallaw-88
100A/200A/400A Revenue Grade Split Core Rectangular Hinged Current Transformers - 400A, 1.25" (32mm), 4-500A
CTSRL400U400ASplit CoreRectangular - Hinged1.25" (32mm)4-500ARevenue (Tenant Billing)±0.2% error8' (2.4m)$151.00
400asplit-corerectangular-hingedyesctep-california-type-evaluation-program nyc-ll88-locallaw-88
200A Split Core Toroidal Hinged Current Transformer
CTSCCM0200U200ASplit CoreToroidal - Hinged1.0" (25mm)2-240AStandard±0.5% error9.8' (3m)$85.00
200asplit-corehinged-toroidalno
5A/50A Revenue Grade Split Core Rectangular Hinged Current Transformers - 5A, 0.4" (10mm), 0.05-10A, Not Applicable
CTSRS005U5ASplit CoreRectangular - Hinged0.4" (10mm)0.05-10ARevenue (Tenant Billing)±0.2% error8' (2.4m)$130.00
5asplit-corerectangular-hingedyesnyc-ll88-locallaw-88
5A/50A Revenue Grade Split Core Rectangular Hinged Current Transformers - 50A, 0.4" (10mm), 0.05-100A, Not Applicable
CTSRS050U50ASplit CoreRectangular - Hinged0.4" (10mm)0.05-100ARevenue (Tenant Billing)±0.2% error8' (2.4m)$130.00
50asplit-corerectangular-hingedyesnyc-ll88-locallaw-88
400A Split Core Rectangular Hinged Current Transformer
CTHLC0400U400ASplit CoreBlock- Hinged1.4" (36mm)4-400AStandard±0.5% error9.8' (3m)$98.00
400asplit-coreblock-hingedno
100A-1200A Revenue Grade Split Core Rectangular Slide-Out Current Transformers - 1200A, 3.0" (76mm), 12-1800A
CT-SPBL-076W-1200A-3M-RG1200ASplit CoreRectangular - Slide-Out3.0" (76mm)12-1800ARevenue (Tenant Billing)±0.2% error8' (2.4m)$245.00
1200asplit-corerectangular-slide-outyes
100A-1200A Revenue Grade Split Core Rectangular Slide-Out Current Transformers - 800A, 3.0" (76mm), 8-1200A
CT-SPBL-076W-800A-3M-RG800ASplit CoreRectangular - Slide-Out3.0" (76mm)8-1200ARevenue (Tenant Billing)±0.2% error8' (2.4m)$200.00
800asplit-corerectangular-slide-outyes
100A-1200A Revenue Grade Split Core Rectangular Slide-Out Current Transformers - 600A, 2.0" (51mm), 6-900A
CT-SPBL-051W-600A-3M-RG600ASplit CoreRectangular - Slide-Out2.0" (51mm)6-900ARevenue (Tenant Billing)±0.2% error8' (2.4m)$92.00
600asplit-corerectangular-slide-outyes
100A-1200A Revenue Grade Split Core Rectangular Slide-Out Current Transformers - 400A, 1.25" (32mm), 4-600A
CT-SPBL-032W-400A-3M-RG400ASplit CoreRectangular - Slide-Out1.25" (32mm)4-600ARevenue (Tenant Billing)±0.2% error8' (2.4m)$92.00
400asplit-corerectangular-slide-outyes
100A-1200A Revenue Grade Split Core Rectangular Slide-Out Current Transformers - 200A, 0.75" (19mm), 2-300A
CT-SPBL-019W-200A-3M-RG200ASplit CoreRectangular - Slide-Out0.75" (19mm)2-300ARevenue (Tenant Billing)±0.2% error8' (2.4m)$85.00
200asplit-corerectangular-slide-outyes