D165T D265T Lv Pole Mounted Breaker Digital Trip Unit
- Product Name:
- D165T D265T Lv Pole Mounted Breaker Digital Trip Unit
- Model Number:
- D165T D265T
- Conductor Range:
- 25 – 70mm²
- Brand:
- SMICO
- Standard:
- HN 63-S-11
- Supply Ability:
- 2000
- Voltage:
- 0.44 kV
- Operating Temperature:
- -25 … 50 °C
Description
For the protection and management of MV/LV transformers in rural networks, specialized circuit breakers are essential to handle significant load imbalances. These breakers ensure reliable and uninterrupted power supply even under unbalanced load conditions. The devices, featuring four poles (with three protected), employ air-break technology and arc-extinguishing chambers with metal partitions for effective arc suppression. The D165T–D265T series of low voltage pole mounted circuit breakers is equipped with advanced digital trip units to deliver precise and dependable protection.
Specification
| Code | D165T |
| Name | Circuit breaker |
| Low voltage pole mounted circuit breaker D165T with digital trip unit | |
| Standards: | HN 63-S-11 |
| Electrical values | |
| Rated Voltage (Ur): | 0.44 kV |
| Rated current: | 165 A |
| Rated short-circuit breaking capacity: | 4 kA |
| Rated short-circuit making current: | 6.8 kA |
| Rated short-time withstand current (1s): | 4 kA/s |
| Rated power-frequency withstand voltage (50 Hz – 1min): | 10 kV |
| Lightning impulse withstand level of voltage (1.2/50): | 20 kV |
| Features | |
| Degree of protection: | IP31 |
| Number of outputs: | 1 |
| Conductor size: | 25 – 70mm² |
| Temperatures | |
| Operating temperature: | -25 … 50 °C |
| Storage temperature: | -25 … 70 °C |
| Dimensions | |
| Length: | 400 mm |
| Width: | 370 mm |
| Height: | 550 mm |
| Weight: | 17 kg |
Advantage
Compact, user-friendly protection for 50 kVA and 100 kVA transformers, superior to fuse-based solutions.
Closed position: spark gap limits LV neutral potential rise above 10 kV for enhanced safety.
Open position: ensures secure grounding between transformer neutral and earth.
Customizable to your needs — feeders, mounting supports, rod assembly, trip unit type, and load indicator options. Contact us for details.
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FAQs
01. Manufacturer Offering Competitive Pricing and High Quality.
We are a direct-sales manufacturer offering both competitive pricing and high-quality products, helping you gain a foothold in the market—specifically in Wenzhou, Zhejiang Province, China. You are warmly invited to visit our company.
02. OEM/ODM Services.
We are a manufacturer backed by an exceptional and highly collaborative team.
03. Standard Payment Terms.
We accept various payment methods, including Telegraphic Transfer (TT) in advance, Letters of Credit (L/C), Western Union, and others. Please feel free to contact us if you have any questions!
04. Warranty Period.
1.5 years. Any quality issues will be resolved through free replacements included with your next order.
05. Free Samples.
Yes, we provide samples of smaller products for your quality assessment; you are only required to cover the courier fees.
