Short Circuit And Earth Fault Indicator Type EKL4B
Quick Details Model Number: EKL4B Brand Name: Chaobo Type: Panel Type Usage: Ring Main Unit, Cable Distribution Box, Switch Cabinet IP Code: IP65(Fault Indicator Sensors) / IP55(Indicator Host) Place of Origin: Zhejiang, China (Mainland) Lead time for sample: Within 5 daysMain Function: 1. Short circuit fault alarm indication: Short-circuit fault sensor installed on single phase cable, monitoring the current changes of the power supply line in time, when the current change value reach or exceed short circuit current action when the alarm set point (this value can be setting according to user requirements before producing), the short circuit fault sensor emit alarm signal, the signal through optical fiber sent to the indicator host, the corresponding fault indicator light flashing, Send out alarm indicator. 2. Earth fault alarm indication: earth fault sensors installed on the bifurcation unshielded part of three-phase cable, detection of three-phase cable of zero sequence current value, when its value reach or exceed the earth current action when the alarm set point(this value can be setting according to user requirements before producing), the earth fault sensor emit alarm signal,the signal through optical fiber sent to the indicator host, the earth fault indicator light flashing, Send out alarm indicator. 3. Battery low battery alarm indication: When the indicator host internal battery voltage drops to 2.5 V, generate alarm signal,to mention maintenance personnel change the battery, the alarm signal lasts about two months. Furthermore it equipped with an external power supply interface,can use an external power source.(Type B terminal 12 "-", 9 "+"; Type A terminal 8 "+", 9 "-" AC/DC5V-10V). 4. Remote alarm and reset: After the short circuit or earth fault occurred, indicator sends the corresponding alarm signal at same time, cooperate with the distribution network automation (FTU) devices, and fault alarm signal can be transmitted to remote monitoring center, can also do remote manual reset operation. 5. Automatic reset: When the indicator emit alarm signals, In a set of automatic reset time, without manual reset, the indicator can be automatically reset.(Reset time: 4H.8H.12H.24H, open the host signs in the dial the code switch setting on its own) 6. Test and Reset: When the indicator emit alarm signals, press the indicator host "reset/test" button on the panel, can clear alarm status. In the normal state, hold down the indicator host "reset/test" button on the panel for 3 seconds, Panel on all the lights flashing 10 times.Type B also have relais working sound, this means the indicator is in normal working.Main technical parameters: Short Circuit Warning Current: 200-1500A Selectable (accuracy:±10%)Delay 20-300 ms when ordering can be selected by the user (The default factory Settings:800A. 20ms) Earth Fault Warning Current: 5-50A Selectable (accuracy:±10%)Delay 20-300 ms when ordering can be selected by the user (The default factory Settings:20A. 20ms) Short circuit sensor mounted cable diameter: outside diameter≤Φ40mm (other specifications shall be customized) Earth fault sensor mounted cable diameter: outside diameter≤Φ120mm (other specifications shall be customized) Working Ambient Temperature:-40℃-75℃ Relative Humidity: ≤95%RH Prevent Water, Acid and Salt fog Working Power Supply: Lithium batteries or AC/DC（5V-10V）±15% Remote Signal Contact Capacity: AC220V/1A Remote Signal Contact Reset Method: Manual reset / Auto reset Automatic Reset Time: 1-48H Selectable (accuracy:±5%) when ordering can be selected by the user (The default factory Settings:12H) Indicator Host Boundary Dimension: 97×48×79mm Indicator Host Installing Hole Size: 91.5mm x 43mm (tolerance:±0.3mm) Sensor Optical fiber Length: 3m (4 pieces) (other specifications shall be customized) Suitable for medium voltage below 35KV rating system.Standard Configuration: Indicator Host....................................1 piece Short Circuit Fault Sensor..................3 pieces Earth Fault Sensor..............................1 piece Sensor Optical fiber............................4 piecesProducts photos:Test Report: Our products have already passed the test by CMA, CNAS,CE till now, and we also have ability to arrange other relevant testing and factory audit as your requirement. Certificate: Company: FAQ 1.Q: Are you a direct manufacturer and exporter from China? A:Yes, we are. We have our own factory and international sales department. We produce our own products all by ourselves. 2.Q: Where’s your factory located? A: Our factory locates in Yueqing City, Zhejiang Province, China. It takes about 30mins by car from Wenzhou International Airport to our factory. From Shanghai to Wenzhou 45mins by air, from Shanghai to Yueqing 4hours by high-speed rail. Welcome to visit our factory anytime. We will pickup you at airport or railway station. 3.Q: When can I get the price from you? A: Please send us inquiry to us via website or , and you can give us a call to tell us if your needs urgent, we’ll reply you within 24hours.4.Q: How can I get a sample to check your quality? A: We provide less than $50 free samples, upon you pay the courier fee. You can require for samples to check our quality. If we have stock for the models you need, the samples can be sent to you within 3 days through FedEx, UPS, TNT, DHL, etc. 5.Q: How long is the lead time? A: Usually it takes around 3-30days after sample confirmed and deposit received (Depends on order quantity and sales season). If you need the goods urgently, please tell us, and we will try our best to give you priority. 6.Q: What should I provide if I want my own brand packaging or printing? A: Usually you can provide us information either the four ways listed below: 1).Your brand authorizing. 2).sample packaging for us to copy. 3).layout or 3D drawing of the packaging or design. 4).the size of the product to be packed inside.7.Q: How can I pay you? A: For mass production goods, you need to pay 30% deposit before production and 70% balance before shipment. The most common way to pay us is by T/T. L/C, Western Union is also acceptable. 8.Q:Can I check quality of goods before delivery? A:Yes, either you or your company colleagues, or a third party is welcome to our factory to do the inspection before delivery. 9. Q: How the goods are delivered to me? A: For small quantity, we advise to deliver by courier, like FedEx, UPS, DHL, etc. For big quantity, we advise to ship by sea. We can send goods to your assigned Shipping Forwarder(FOB price). Or if you don’t have one, we can quote you CNF or CIF price. 10. Q: What about the warranty A: We promise one year warranty, (non-artificial damage all the products free replacement within one year ) For big project our engineer service abroad.
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