ApplicationLJ series zero-sequence current transformer, it's used for earthing protection of low grounding current system or motor stator coil or cable. DD11/6 & DL11/0.2 model relays matches with LJ transformer, once grounding failure hhappens, zero-sequence current generates in secondary cycle of transformer to cause relay action.
LJ-Φ75 type indoor current transformer. It's applied in the devices, AC 50Hz, voltage up to 500V. Can allow three phases cables(max diameter not exceed 75mm) to operate DL11/0.2 relay for metering zero-sequence current & protection of earthing failure.
Normal working & installment conditions1.Temperature: -25ºC~+40ºC
2. Humidity: ≤80%
3. Altitude: ≤1000m
4. Mounting place: indoor place without metal dust or obvious shock
Specification | Model | cable through No | secondary general impedance(Ω) | Relay circuit setting current(A) | Precision(A) | secondary cycle unbalanced voltage(mV) |
| LJ-2 | 1~2 | ≤10 | 0.03 | 1~3 | 40 |
| LJ-4 | 3~4 | ≤10 | 0.03 | 1~3 | 40 |
| LJ-7 | 5~7 | ≤10 | 0.03 | 1~3 | 40 |
| Max protective precision(A) | Max cable diameter for usage(mm) | One second heating reliability | Rated secondary current(A) | connecting wire resistance(Ω) | Relay setting current range(A) | Relay starting current(parallel) |
| ~10 | 70 | 200 | 24/Z | 1 | 0.1~0.14 | 0.1A |
Appearance & installment dimension
Packing and shipping-- Ordinary paper carton for products.
-- Shipping mark according to customer's request.
-- Bulk production will be deliveried by sea and air.
Our Service-- We have our own factory, professional manufacturer
-- We can send you samples within one week.
-- We do OEM & ODM services .
-- We control quality strictly, quality problem: 100% compensation or change
Warmly welcome to visit our factory. Welcome customer or your agent to inspect before order or lading.
People Ele.Applianceas Group established in 1996, is one of leading manufactures of electric appliance in China.People Group specialized in manufacturing low, medium and high voltage electric apparatus, complete equipment, electrcal wire & cable, electrical transmission & transformation equipment, as well as explosion proof eletric apparatus, meters and instrument, power automation system and so on.
From People Group's brith till present, self-accumulation of capital and resource integration are their secrets to success.By means of restructuring, merging, and building partnerships People Group has created a business model of multi-industries and global diversification, such as urban construction, hydropower stations, energy resources, modern logistics, electronic information systems, foreign trading and so on.People Group possess 4 modernized production bases that total area is over 50 branches and offices overseas.
People Group has been approved by ISO9001, ISO14001 and OHSAS18001 systems.The products are employed in key national projects, such as Pudong airport, the Three Gorges Projects, Beijing Metro, Olympic Palaestra etc.People Group is rated as one of Top 500 Enterprises in China and World Machinery 500."People" is awarded as China Well-known Trademark by China Industrial and Commercial Administration General Department.People products won China TOP Brand and National Inspection Exemption Certificate.
Of era of economic globalization, the international electric appliance industry is growing dramatically, with creates numerous opportunities and challenges.To compete with others for global marketplace, People Ele.Appliance Group Zhejiang Import and Export Corp, an exclusively-invested enterprise, is given birth by People Group.It is registered with National Industrial and Commercial Department, permission granted to incorporate and enjoy independent import and export trading.Improt and Export Corp is a member of China Council for the Promotion of International Trade(CCPIT) and China Chamber of Commerce for Import and Export of Machinery and Electronic Products.As People Group's window onto the rest of world, Import and Export Corp with conception of quality assurance standards and sincere service has won good reputation from our loyal customers all around the world.
The size of staff in People Electrical Appliance Group has increased by 45 folds for over ten years, the marketing network has expanded by 65 times, and the production value is now 75 times as that 0 the very beginning.Though multinationals and domestic enterprises are challenging the group in international market as well as in China, Mr.Zheng Yuanbao, leader of People Electrical Appliance Group, is exerting all his efforts.
