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Self-Locking Split-Core SCTK660C Series for Power Distribution and Automation Control

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Self-Locking Split-Core SCTK660C Series for Power Distribution and Automation Control

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Model Number :	SCTK660C Series
Payment Terms :	T/T
Price :	Negotiation
Supply Ability :	10000/MONTH
Delivery Time :	4~8 Weeks
Certification :	RoHS
Brand Name :	Shinhom

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Product Details
Company Profile

Self-Locking Split-Core SCTK660C Series for Power Distribution and Automation Control

The SCTK660C series split-core current transformer is designed for current measurement and monitoring in new or existing power distribution networks. The product uses a split-core self-locking structure that allows quick installation without disconnecting or removing cables or busbars. The wide window design accommodates large-diameter cables or busbars. The secondary winding has a built-in precision parallel resistor, providing a safe low-voltage output without the need for external sampling resistors. It is widely used for current measurement, monitoring, and protection in power lines and equipment, as well as current and power measurement for motors, lighting, air compressors, HVAC, and automation control systems, as well as energy monitoring and relay protection devices.

Features

Measuring range – 0.5A-1000A
Output signal – 0.333V or 0-500mA
Split-core self-locking structure
Wide window – accommodates large cables and busbars
Built-in precision resistor – safe low-voltage output
Multiple sizes available
Installation without cable removal
Saves installation time and cost

Applications

Power line current measurement and monitoring
Electrical equipment current protection
Motor current and power measurement
Lighting system power monitoring
Air compressor current monitoring
HVAC systems
Automation control systems
Energy monitoring and relay protection devices

Electrical Parameter

Ratio	≤± 0.2％
Phase angle	≤ ±10min
Measuring range	10%In-130%In
Rated Output	0.333V(AC) or 0-5A
Frequency	50-2.5KHz
Rated Input	0.5A-1000A
Dielectric strength	5.0KV/1mA/1min
Insulation Resistance	DC500V/100MΩmin

Mechanical Parameter

Case	PC/UL94-V0
Bobbin	PBT
Construction	Tie
Internal structure	Epoxy
Core	Permalloy
Operating Humidity	≤85%
Operating Temp	－25℃～＋75℃
Output Connection	Terminal or UL1015 22AWG Wire 1.5m

Type selection

P/N	Rated Input(A)	Output(mA/V)	Accuracy	Dimensions(mm)
				A	B	C	D
SCTK660C-010	0.5-100A	0.333V/0-50mA	0.2,0.5,1.0	57.0	50.0	22.0	10.0
SCTK660C-019	1-250A	0.333V/0-100mA/1A	0.2,0.5,1.0	66.0	59.0	22.0	19.0
SCTK660C-025	5-400A	0.333V/0-200mA/1A/5A	0.2,0.5,1.0	73.0	65.0	22.0	25.0
SCTK660C-032	5-630A	0.333V/0-200mA/1A/5A	0.2,0.5,1.0	82.0	74.0	22.0	32.0
SCTK660C-045	5-1000A	0.333V/0-500mA/1A/5A	0.2,0.5,1.0	95.0	86.0	22.0	45.0

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 (0.333V) or standard current signal (0-500mA), eliminating the need for external sampling resistors. This simplifies installation, improves safety, and saves component costs and installation space.

Q: How to choose the output signal type?

A: 0.333V output is suitable for electronic energy meters, PLCs, and voltage-input measurement instruments. 0-500mA output is suitable for control systems and traditional measurement equipment that require current signals. Please choose based on your measurement equipment input interface.

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.

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