DXXXT Series LV Pole Mounted breaker with digital trip unit
Zhejiang Wone IT Service Co., Ltd.
1yrs +
staff 1000+m² US$300000000+
Key attributes
| Brand | Wone Store |
| Model NO. | DXXXT Series LV Pole Mounted breaker with digital trip unit |
| Rated voltage | 440V |
| Rated normal current | 265A |
| Rated frequency | 50Hz |
| Number of outputs | 2 Terminal |
| Series | DXXXT Series |
Product descriptions from the supplier
Description
Overview
The protection and management of MV/LV transformers in a rural environment requires specific circuit breakers compatible with significant load differences, thus ensuring full exploitation of the installed power, even in unbalanced operation.
Circuit breaker unit
These units (4 poles 3 of which are protected) cut off in air with metal partition chambers to break the arc.
When the circuit breaker is open, a contact makes an electrical link between the transformer neutral and the station structural earth. When the circuit breaker is closed, a spark gap limits the rise in potential of the LV neutral, in relation to the structural earthing, for a value exceeding 10 kV.
The circuit breaker is installed inside a weatherproof GRP case.
Digital Trip Unit
The Digital Trip Unit protects the three ratings of the post-mounted transformer (50 kVA, 100 kVA and 160 kVA), whether it be a conventional transformer (no internal protection) or a new transformer with protection (TPC). The transformer protection rating is set by a selector.
The micro-controller assesses the transformer temperature in real time, based on the currents in the three phases and the external ambient temperature. This ambient temperature is computed based on the probe and a mathematical model that is also a function of the three phase currents.
Technology parameters
Model |
D165T |
D265T |
Reference standard |
HN 63 - S - 11 |
HN 63 - S - 11 |
Voltage rating |
440 V |
440 V |
Current rating |
165 A |
265 A |
Cutout power |
4 000 A |
6 400 A |
Closing power |
6 800 A |
11 700 A |
Number of poles |
4 |
4 |
Number of outputs |
1 output |
2 outputs |
Cable sections |
25 / 70 mm² |
50 / 150 mm² |
Breakdown voltage - pulse/earth |
20 kV |
20 kV |
Breakdown voltage - at 50 Hz |
10 kV |
10 kV |
Breakdown voltage - between poles |
4 kV |
4 kV |
Control system |
Manual |
Manual |
Installation |
on post |
on post |
Restricted
DXXXT Series LV Pole Mounted breaker with digital trip unit data sheet
White paper
English
Consulting
Restricted
Feuille de données du disjoncteur monté sur poteau basse tension de la série DXXXT avec unité de déclenchement numérique
White paper
French
Consulting
Wone Store
Zhejiang Wone IT Service Co., Ltd.
1yrs +
staff 1000+m² US$300000000+
Online store
On-time delivery rate
Response time
100.0%
≤4h
Company overview
Workplace: 1000m²
Total staff:
Highest Annual Export(usD): 300000000
Services
Business Type: Sales
Main Categories: High Voltage Electrical Apparatus/Low Voltage Electrical Apparatus/Wire cable/Instrument meters/New energy/Tester/Production equipment/Generator/Electrical fittings/Integrated Electrical Equipment/Instrument Transformer/Equipment Parts
Whole life care manager
Full lifecycle management services for equipment procurement, use, maintenance, and after-sales,
ensuring safe operation of electrical equipment, continuous control, and worry-free electricity
consumption.
The equipment supplier has passed platform qualification certification and technical evaluation,
ensuring compliance, professionalism, and reliability from the source.
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