UniWave Electric UniWave Electric

ST260E Self-Powered Three Protection Relay Phase Failure Relay Protection for MV&HV Power Distribution IEC 61850

Product Description

Product Description

Device adopts high-integrated, internal bus wire of chip processor which deals with signal coming from CT, and control relay-output via digital logic calculation. It adopts sealed case, maintenance–free design and anti-interference performance, which are suitable for ring-grid net cubicle with bad running ambient and compact mounting position.

Product Layout
Product Details
Technical Parameter
  • Rated data: AC current: 5A or 1A (general)
  • Frequency: 50Hz / 60Hz
  • Power: DC48V, ±20% or DC24V, ±20%
  • Self-powered: Acquiring power from phase CT
  • Overload capability: Long term running up to 10 A
  • Power consumption: Supply circuit ≤ 5W; AC input circuit ≤ 0.5VA
  • Measurement scope: Phase current: 0.05A ~ 100A; Earth current: 0.01A ~ 20A
  • Protection action time: Over current/earth protection ≤ 35ms
  • Output contact: Continuous bearing AC220V, 10A
Technical Diagram
Specification
Item Value
Size 74*110*142
Current 1A Or 5A
Rated Voltage 24 V Or 48V
Material Aluminium shell
Origin Guangdong
Manufacturing & Quality

With over 15,000 square meters of researching and producing industrial park, our facility focuses on professional design and manufacturing of electrical power relays, distribution network automation terminals, and monitoring meters. We maintain a strict quality guarantee system and perfect management system to ensure high-quality products and outstanding service.

Frequently Asked Questions
1. How is the product quality guaranteed?
We perform a pre-production sample check before mass production and a final inspection before shipment to ensure top-tier quality.
2. What primary products can I purchase?
You can find a wide range of electric power relays, protective relays, and electric power meters designed for industrial use.
3. Why should I choose your products over others?
With over 20 years of experience, we offer professional research teams, self-owned laboratories for testing, and 24-hour design feedback.
4. What is the typical measurement scope for currents?
Phase currents range from 0.05A to 100A, and Earth currents range from 0.01A to 20A, depending on your specific order requirements.
5. Are the devices suitable for harsh environments?
Yes, the devices adopt a sealed case and maintenance-free design with anti-interference performance, ideal for compact or difficult ambient positions.
6. What are the communication options available?
The units typically include a front-panel special communication port for debugging and a backboard RS485 communication port.

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