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  4. Relay bảo vệ điện áp và tần số Selec 900VPR-2-280/520V
Relay bảo vệ điện áp và tần số Selec 900VPR-2-280/520V

Relay bảo vệ điện áp và tần số Selec 900VPR-2-280/520V

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809,545₫
In stock
SKU: 900VPR-2-280/520V
Series: 900 selec series
Condition: 100% new
Brand: Selec
Origin of goods: India

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Product information Selec 900VPR-2-280/520V Voltage and Frequency Protection Relay

1. Overview of the 900VPR-2-280/520V

- Selec 900VPR-2-280 520V phase protection relay functions to protect voltage (low/high level), frequency (low/high level), phase imbalance, phase loss, phase sequence in electrical circuits 3 phase
- Measure effective value (RMS)
- Set time: Power ON delay, Trip time delay, ON release delay
- 2 separate relay (alarm) outputs

2. Specifications of the 900VPR-2-280/520V

Relay protects voltage and frequency
Compact design mounted on rails
​
Protection functionLow/over voltage; low/over frequency, phase imbalance; phase order and phase loss

Display

3 numbers, by LCD screen
Used for networking3 phase 3 wire, 3 phase 4 wire
Delayed impact time

0 – 99 seconds

Undervoltage/overvoltage280 - 520 V AC (3-phase 3-wire network)
161 - 300 V AC (3-phase 4-wire network)
​
Low/over frequency

45 – 65Hz

Voltage imbalance

5 – 99.9%

Way out

2 CO (NO/5A, NC/3A @ 250VAC)
 

Power supplyTake the power supply input voltage wire

3. Dimensions of the 900VPR-2-280/520V

Kích thước của relay bảo vệ 900 Series

4. Selected code table

Bảng mã chọn

5. Application

Relays were widely used in telephone exchanges and early computers as logic circuit operators. A type of relay that can handle the high power required to directly control an electric motor or other load is called a contactor. Solid state relays control electrical circuits with no moving parts. Relays are also widely used in transceiver blocks.

6. Catalogue of relay Selec

Đánh giá Relay bảo vệ điện áp và tần số Selec 900VPR-2-280/520V

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