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Shanghai Feilong Instrument Electric Co., Ltd.
Manager Xie: 13671774687 Chinese Station English Station
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上海市曲阜西路268号 Address: No. 268 West Qufu Road, Shanghai

13671774687 Mobile: 13671774687

谢经理 Contact: Manager Xie

jimmy011@126.com Email: jimmy011@126.com

Electronic temperature controller for dry-type transformer






Product name: Electronic Temperature Controller for Dry-type Transformer
Number of products: 212754-238
Product model: 0
Updated: 2009.06.19
Manufacturer: Thermocouple--Shanghai Feilong Instrument Electric Co., Ltd.


Product details: Electronic temperature controller for dry-type transformer
BWD-K transformer electronic temperature controller is an intelligent instrument composed of a microprocessor. It uses Pt100 platinum resistance as a temperature sensor, and puts the platinum resistance into the transformer windings separately. When the transformer temperature changes, the platinum resistance value changes synchronously with the temperature. The temperature controller can control the set temperature value, it can start and stop the cooling fan, issue a fault alarm, over-temperature alarm, control over-temperature trip, etc. to protect the transformer.
This instrument is specially designed and manufactured in accordance with JB / T 7631-2005 "Electronic Thermostat for Transformer", which is an implementation standard of the machinery industry.


Technical instructions
1. Working environment temperature: -10 ~ 50 ℃
2. Relative temperature: ≤90% (25 ° C)
3. Working power: AC200V ± 10% 50Hz ± 5%
4. Measuring range: 0 ℃ ~ 200 ℃
5. Resolution: 0.1 ℃
6. Accuracy level: 1.0 level (sensor 0.5 level, thermometer 0.5 level)
7. Contact capacity: 220V / 7A
8. Sensor: Pt100 shape ф3.0mm × 20mm lead resistance R0≤10Ω
9. Dimensions of the instrument: 160mm (w) × 135mm (h) × 80mm (l)
10. Embedded hole size: 152 + 1mm × 76 + 1mm
11. Display mode: 12-bit digital tube displays three-phase temperature value at the same time. There are instruments for monitoring the core temperature. The display screen changes the core temperature value in phase A.
12, the communication interface RS485 and RS232 are optional, the communication wave rate is 1200, 2400, 4800, 9600 optional.
System operation panel and related functions

BWD-3K BWD-4K BWD-3KR BWD-4KR
Three-phase temperature display
Four to six single-phase fans
Fault, over temperature, tripping passive contact
Core temperature display
RS232 communication port
RS485 communication port
Additional PTC
In the above table, △ is a price increase option, ▲ is a function that the selected model must have. When selecting BWD-4K, BWD-4KR, please indicate the offset of the core temperature control point from the winding temperature control point.





Product Terms of Service
1. Limited Warranty Terms: Within two years from the date of purchase by the buyer, or within 12 months of end-user use during this period. Subject to the limited warranty clauses, if the products of this factory fail during the warranty period, and the reason for the failure is within the scope of the limited clauses, then the user enjoys our factory's three guarantee service.
2. Limited Warranty: The coverage of this limited warranty does not include damage caused by factors. Including lightning strikes, power failures, improper use of products, improper use, modification, self-repair, improper installation, and improper testing.


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24-hour consultation hotline:
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General Manager: Manager Xie Mobile: 13671774687 Address: No. 268 West Qufu Road, Shanghai Landline: 021-63811027 Fax: 021-63801621 Email: jimmy011@126.com
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