|
|
| |
产品名称：
STD1多功能相故障继电器
|
STD1多功能相故障继电器
| Introduction: |
| It is a Phase Failure with Under Voltage Relay. It is best suitable for protection of balanced 3 phase loads or Motor loads in mining & earthmoving sectors. It offers protection against Phase Failure, Phase Unbalance, Phase Sequence Reversal, Under Voltage & Over Voltage faults. It is useful for incoming side, Mains Supply monitoring, General voltage faults, AMF/Transfer Switch Panels & Pump Control Panels. It is available in DIN Rail Mounting enclosure. | |
|
|
| Features: |
· Monitors all 3 Phases of Voltage Supply.
· Under Voltage (Factory set at 80% of Vset.
· Adjustable System Voltage from – 15% to + 15%.
· Adjustable Trip Time.
· Auto Reset.
· Sleek DIN Rail mounted Enclosure.
| |
|
| |
|
|
| Application Areas: |
| Measures 3-Phase supply for Unbalance Voltage, Loss of Phase, Phase Sequence, Under Voltage & Over Voltage. Best suitable for balance 3 phase loads or motor loads only. Phase failure &UV/OV Relays can be best used for a host of Auxiliary Systems & Plant control panels & machinery. | |
|
|
| Technical Specifications: |
|
|
|
|
|
Specifications |
| 1 |
Supply Voltage |
System 230 / 415 / 575 V AC 3 Phase (±15% selectable); Auxiliary Built-in |
| 2 |
Output Contacts |
1 CO |
| 3 |
Trip Setting (Volts) |
Phase unbalance 80% of Set Value; Under Voltage 80% of V set; Over Voltage --; Water Level N.A. |
| 4 |
Trip Time Delay |
On Phase Failure 1 - 10 secs. (variable); On UV/OV N.A. |
| 5 |
Resetting Mode |
|
| 6 |
Weight |
300 gms. |
| 7 |
Dimensions (mm) |
Overall (L x W x D) 75 x 30.5 x 117.5; Mounting (L x W) 68 centre to centre | | |
|
|
|
