Residual Current Transformer Open- Closed Type New National Standard Zero Sequence Leakage Fire Monitoring and Protection

• Customization: Available
• Application: Electronic, Instrument, Position Sensor, Audio, Lighting
• Type: Voltage Transformer
• Model NO.: 1
• Phase: Single
• Operation Condition: Outdoor
• Usage: Protection, Measurement
• Winding Form: Multilayer Honeycomb Type
• Insulating Medium: Insulating Gas
• Installation: Active Type
• Magnetic Circuit Structure: Combined Type
• Voltage Transformation Principle: Photoelectric Type
• Primary Current: 100A-5000A
• Sercondary Current: 5A. 1A
• Size Specification Size: K-30×20
• Transport Package: Standard
• Specification: Standard
• Trademark: Tengtai
• Origin: China

Product Description

Product Description

Product Introduction

 

CTKD split-type transformer is an improvement on the traditional transformer. It is made into a free split-type, which can be quickly installed and disassembled without power outage or disconnection, and is easy to operate. This series of products has a wide measurement range, with a rated primary current range of 5 to 630A, a rated secondary current range of 0 to 1A, and a current transformation ratio range of 500:1 to 10000:1. The orderly manufacturing process ensures its accuracy level, reliability and other technical requirements.

Product Features

 

• structure, good consistency, high magnetic conductivity silicon steel, good linearity, high sensitivity.
• Internal epoxy resin casting, good stability, light weight, easy installation.

 

Application

 

Applicable to power measurement, power quality analysis and electrical equipment signal collection ƒ Applicable to power demand side management of lighting equipment, motors, power devices and other equipment..

 

Circuit connection diagram

 

 

Performance indicators and Electrical parameters

Operating frequency	50-2KHz
Rated input	5A-630A
Measuring range	10%In-130%In
Rated output	0.333V(AC) or 0-500mA
Ratio Difference	≤± 1.0%
Phase Difference	≤ ±60
Dielectric strength	2.5KV/1mA/1min
Insulation resistance	DC500V/100M min

 

Mechanical parameters

Shell	PA,Flame retardant grade 94-V0
skeleton	PBT
Iron Core	Silicon Steel
Internal structure	Buckle
construction	Cable tie fixing
Operating temperature	-25ºC~+75ºC
Ambient humidity	≤85%
Output Connections	UL1015 22AWG PVC; Black and white twisted pair 2.5m

 

Specification selection (outputmA/V)

 

Specifications	Rated input(A)	Rated output(mA/V)	Accuracy Level	size (mm)
				Ø	A	B	C
CTKD10	5-75A (5,10,20,50,75)	5-75A	0.5,1.0,3.0	10.0	43	25.8	26.5
CTKD16	5-150A (5,10,50,100,150)	0-100mA	0.5,1.0,3.0	16	56	31	33
CTKD24	10-250A (10,50,100,200,250)	0-200mA	0.5,1.0,3.0	24.5	72	45.6	39
CTKD36	10-630A (20,100,250,400,600)	10-630A	0.5,1.0,3.0	35.7	86.5	60	43.5

 

Circuit connection diagram

Note:

Rated primary current:0-600Aac z

Rated secondary current: 1A/5A

Rated load: 1.5,2.5, 3.75, 5.0,7.5 VA

Accuracy level: 0.2, 0.5, 1.0, 3.0 Class z

Output Connections:UL1015 22AWG ;lead :2.5 m

 

Tip:When using a current transformer, it is strictly prohibited to open the secondary circuit, as this may result in the generation of high voltage.

 

Company Profile

Tengtai Company has strong technical production capabilities and possesses multiple production lines with leading domestic technical levels, as well as surge protectors, lightning current impulse transmitters, transformer calibrators, pressure gauges, PD instruments, etc. Through cooperation with top foreign design institutes, the company introduces world-class equipment, supplemented by imported high-quality PC materials and exquisite manufacturing industry, to create products that are close to users and lead the market. With its strong technical research and development capabilities and humanized management concepts, the company is committed to providing users with high-quality products. The company strictly implements the ISO9001:2000 international quality management system standard and strives to enhance the brand awareness and reputation of high-quality products and services. In the spirit of serving the whole society and consumers, we will continue to provide customers with more perfect products and more considerate services. We warmly welcome people from all walks of life to visit and patronize us. We firmly believe that through unremitting efforts and persistent pursuit, we will continue to make progress with the times.

The company has a modern enterprise management and scientific research personnel. The products have passed the ISO9000 system certification, the national compulsory certification measurement and certification MC, the export CE, and the lightning protection products are filed in various provinces across the country. At the same time, they have imported advanced foreign inspection equipment and strictly controlled the quality. The company's products have been well received by new and old customers.

 

Tengtai International Electric, based on more than 30 countries and regions such as the United States/UK/France/Spain, is not only a product but also a quality.

FAQ

1.Do you have any requirements for the sales target completion volume of the dealers?
Q: We welcome distributors from all countries to cooperate with us. Sales volume is an important assessment criterion. According to the different requirements of various countries, new and old customers are welcome to consult!
2. Can I deliver the goods from other suppliers to your factory? And then load them together?
Q: Sure, we are very willing to help customers obtain the products quickly
3. May I only purchase some spare parts from you?
Sure, we can sell everything from spare parts to finished products.
4. Will you attend the trade fair to showcase your products?
Q: Yes, we participate in 3 to 4 international exhibitions every year, such as the Canton Fair, the Dubai Electricity Exhibition in the Middle East, the Asia Electricity Exhibition, etc. A series of different exhibitions. We look forward to seeing each other at the exhibitions!
5. How long will it take you to provide us with the design plan?
Q: We have a professional design team. Our models and accessories are all independently developed and produced. We can provide you with ODM services. The general term is 45 to 50 days.
6. How many years has your company been manufacturing this kind of equipment?
Q: Our company has a history of 12 years. We have been specializing in the production of a series of electrical products such as surge protectors, fuses and circuit breakers.
7. What certificates does your device have?
Q: We have established a complete quality management, supply chain and after-sales service system. We constantly introduce the advanced 6S international management concept and have successively passed ISO9001, ISO14001, OHSAS18001, CQC certification, CE certification, TUV certification, CB certification and Rohs certification.
8. Do you have a detailed professional installation manual?
Q:Sure, you can find the installation manual of any product on our website, and it will also be in our product box.
9. Is OEM acceptable?
Q: We can provide OEM and ODM services. We have many different specifications and appearances for customers to choose from.
10. Have you provided samples? Free or paid?
Q: We can offer free samples to customers, but only one piece. However, the shipping cost needs to be borne by the customer.
11. What is your minimum order quantity?
Q: We decide based on the product packaging. Our minimum order quantity is 100 pieces.
12. How long is your delivery time?
Q: Our delivery time is determined based on the purchase volume. Generally, it takes about 3 to 40 days. For 300 pieces or less, it takes 5 days; for 300 to 2,000 pieces, it takes 7 to 15 days; and for 2,000 to 20,000 pieces, it takes 15 to 40 days.
13. Could you design the equipment according to our dimensions?
Q: Of course, we can customize any product according to the customer's requirements. We can provide design plans and solutions.
14. Can your products be installed in cold or hot weather?
Q: The operating environment temperature range of our surge protector is -40ºC to 80ºC. As long as the installation environment you are in does not exceed this ran