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Split-Core Current Transformer SCTK671 Series High Accuracy for Electrical Fire Monitoring and Relay Protection

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Split-Core Current Transformer SCTK671 Series High Accuracy for Electrical Fire Monitoring and Relay Protection
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Features
Specifications
Current Range: 5~3000A
Output: 0-10V Or 0-5A
Accuracy: 0.2、0.5、1.0
Coil Structure: Toroidal
Coil Number: Autotransformer
Customizable: Yes
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Split-Core Current Transformer SCTK671 Series

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High Accuracy Current Transformer

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Electrical Fire Monitoring Current Transformer
Basic Infomation
Place of Origin: China
Brand Name: Shinhom
Certification: RoHS
Model Number: SCTK671 Series
Payment & Shipping Terms
Packaging Details: Carton
Delivery Time: 4~8 Weeks
Payment Terms: T/T
Supply Ability: 10000/MONTH
Product Description

The SCTK671 series split-core current transformer is designed for current measurement and monitoring in new or existing power distribution networks. Measuring range is 5A to 3000A, with output of 0-10V (AC) or 0-5A. The product uses a split-core structure that allows quick installation without disconnecting or removing cables or busbars. This significantly reduces installation cost and time. The secondary winding has a built-in precision parallel resistor, providing a safe low-voltage output. Epoxy encapsulation ensures excellent insulation performance and vibration resistance. The high-permeability material provides a wide measuring range (5%-130% of rated input). It is widely used in electrical fire monitoring, leakage fire prevention, electromagnetic relay protection, and microcomputer protection applications.

Features
  • Split core CT current transformer
  • Test range: 5 to 3000A AC input, output of 0-10V(AC) or 0-5A
  • Using epoxy resin filling and good seismic performance
  • Use punched way, easy to install
  • Using high permeability material, wide measurement range
  • Small volume, beautiful appearance generous, flexible use
  • It can save time and the installation costs
Applications
  • Electrical fire monitoring
  • Leakage fire prevention system
  • Electromagnetic relay protection
  • Microcomputer protection and so on.
Electrical Parameter
Frequency 50-400Hz
Rated Input 5A-3000A
Measuring range 5%In-130%In
Rated Output 0-10V(AC) or 0-5A
Ratio ≤ ± 0.2%
Phase angle ≤ ±10min
Dielectric strength 2.5KV/1mA/1min
Insulation Resistance DC500V/100MΩmin
Mechanical Parameter
Case PC /UL94-V0
Bobbin PBT
Core Silicon steel
Internal structure Epoxy
Construction Tie
Operating Temp －25℃～＋75℃
Operating Humidity ≤85%
Output Connection UL101522AWGWire(twinstedwire)2.5m
Type selection
P/N Rated Input (A) Output (mA/V) Accuracy Dimensions(mm)
Ø A B C D E F G H Ø1 Ø2
SCTK671A-025

5-400A

(5,100,400A)

0-200mA

0-10V

0.2,0.5,1.0

 25 80 75 22 56 73 53 21 17 5 5
SCTK671A-045

50-1000A

(50,400,1000A)

0-500mA

0-10V

 0.2,0.5,1.0 45 108 107 26 71 100 74 24 13 5 5
SCTK671A-065

100-1500A

(100,1000,1500A)

0-500mA

0-10V

 0.2,0.5,1.0 65 128 127 26 91 120 94 27 17 5 5
SCTK671A-080

500-2000A

(500,1500,2000A)

0-500mA

0-10V

 0.2,0.5,1.0 80 144 144 28 97 134 104 27 17 5 5
SCTK671A-100

800-3000A

(800,2500,3000A)

0-600mA

0-10V

 0.2,0.5,1.0 100 174 174 30 126 162 120 27 17 5 5

Split-Core Current Transformer SCTK671 Series High Accuracy for Electrical Fire Monitoring and Relay Protection

Notes: Product specifications can be customized

FAQ

Q: What is the function of the built-in precision resistor?

A: The secondary winding has a built-in precision parallel resistor. It converts the current signal directly into a safe low-voltage output (0-10V), eliminating the need for external sampling resistors. This simplifies installation, improves safety, and saves component costs and installation space.

Q: What applications can the ≤±0.2% ratio error meet?

A: The ±0.2% ratio error is a high-precision class. It can meet the requirements of applications with high measurement accuracy, such as electrical fire monitoring, relay protection, microcomputer protection, and industrial automation control.

Q: What are the advantages of epoxy potting?

A: Epoxy resin potting provides excellent insulation, moisture-proof, dust-proof, and corrosion protection, while also enhancing the product's vibration resistance. The completely enclosed structure ensures long-term stable operation of the transformer in various harsh environments.

Q: How to apply for samples? What is the lead time?

A: You can submit a sample application through our website or email. Please provide your company information and target model. Samples are free of charge and will be shipped within 3-5 working days. Mass order lead time is generally 2-8 weeks.

Tag:

split core ct

split core type current transformer

split core current sensor

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Contact Person : Jack wang
Tel : 13909218465
Fax : 86-029-87851840
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sales@shinhim.com.cn
13909218465
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