Smart Neutral Grounding Resistor /Intelligent Resistor Monitoring Device

We have been committed to providing customers with high quality CT Series Current Transformers, High Frequency Switching Power Transformer, Clamp Type Current Sensor High Precision and professional services, and we are one of the highly competitive suppliers in China. We adhere to the quality policy of "meeting customer needs and exceeding customer expectations". Our company creates the future with high standards and new technologies. While expanding our company, we also provide high-quality products and services for our customers. Our company has established high-quality sales network and after-sales service in many provinces and regions, and used flexible market operation mechanism to make our products sell well all over the world.

Introduction

In the electrical systems always exists the possibility of having shutdowns due to over currents or short circuits produced by operation mistakes, ambient conditions, lack of maintenance or atmospheric discharges. Ground fault it occurs when one of the system phases get on direct contact to ground or to any metallic part that is grounded. The ground fault has its origin on different ways but the more common are reduced insulation, physical damages to insulation system or excessive transient or steady-state voltage stresses on insulation. These problems can be produced due to moisture , atmospheric contamination, insulation deterioration, mechanical stresses, etc. Although the situations mentioned before can be avoided following a good maintenance Schedule, always exists the latent risk of a fault, commonly during the installation or major maintenance to equipment.

Features

• Frequency Range: 50-400Hz

• Over Load withstand: 1.2 x rated current continuously

• AC isolation resistance: 5.0KV for 60s

• Rigid housing case with UL® 94V-0 polycarbonate

• Safety standard: IEC/EN60044-1

• Nominal phase angle error and

Nominal linearity error: Conform IEC61869-2

                    ConformIEC60044-1

• Max. Operation voltage: AC660V

• Thermal Insulation Class: Class B

• Humidity: Up to 95%RH (Non-condensing)

Description

Close to zero load shift

Excellent balance properties

Precision output voltage

Minimal thermal variance

RoHS compliant

Smaller volume, lighter weight

Perfect protection, delicate structure for convenient installing

Excellent design and industrial appearance

High accuracy satisfied diverse application

Flexible design

Versatile modular box for diverse application

Mechanical Specifications

P/N	Main circuit Current  (A)	Diameter(Φ) (mm)	Dimensions(mm)			Layout dimensions(mm)
			L	W	H	D1-D2	M
LO-ZCT513102	0-100A	46	85	32	92.5	88-100	6
LO-ZCT513202	0-250A	65	108	32	118.5	109-122.5	6
LO-ZCT513302	0-315A	80	128	36	138.5	134-144	6
LO-ZCT513402	0-630A	100	150	36	160.5	152-171.5	6
LO-ZCT513502	0-800A	120	172	36	182.5	177-196.5	6

ABSOLUTE MAXIMUM RATINGS
Operating free air temperature range	-20ºC to 65ºC
Storage temperature range	-40ºC to 85ºC

High accuracy qualified
This series of products are on the basis of the existing mature technology, choose more high quality raw materials and combined with the optimization of the shape design, test accuracy gets strong guarantee and better than the national standard requirements: 0.5%, for special requirements,  accuracy can reach to 0.2%.

 This project combines the optimal magnetic circuit design, and take full account of the necessary space requirements, so as to ensure the balance test. If necessary, the balance property can be in the specified detection conditions to achieve 5mA-50mA. Fully meet the detection circuit requirements.

At the same time, this series of products can be used for main circuit current testing, and fire power monitoring current, detection current scope from 50A-2000A, Accuracy is better than class 0.5 when secondary output at 5A .Accuracy is better than class 0.2S level when secondary output at 1A,

When measure high current , mA level weak signal can be outputed,the accuracy is better than class 0.1 

 

Custom-made

The module box can be customized according to the customer's requirement. Or optimize the box in the original basis. We will do our best to support these optimizations.

All module boxes can be re-designed and developed according to customer needs. Even the residual current transformer can also be re-designed according to special needs of customers.

How to Order?

1. Please let us know our P/N for off-the-shelf parts. Please send us electric specifications if you need custom-made parts.

2. Proforma invoice (PI) will be sent to you.

3. Please check and confirm the PI.

4. Once we confirmed the order, please pay it soon.

5. After full payment, all goods will be sent to you in 10-15 days as usual.

6. OEM/ODM is welcomed. Free OEM for more than 5000 sets orders.

In an effort to provide you advantage and enlarge our business enterprise, we even have inspectors in QC Staff and assure you our greatest provider and item for Smart Neutral Grounding Resistor /Intelligent Resistor Monitoring Device. Our products are produced with the best raw materials. Our corporate quality of 'integrity-based, showing the charm of business personality' is the best promise to customers.

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