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接地故障繼電器

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產品型號EFRD2

品       牌

廠商性質生產商

所  在  地珠海市

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更新時間：2022-08-02 15:36:20瀏覽次數(shù)：835次

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產品簡介

EFRD2接地故障繼電器It is a 1 Phase Earth Fault Relay. It is best suitable for monitoring Earth Fault Current conditions for Motor / Pump loads

詳細介紹

It is a 1 Phase Earth Fault Relay. It is best suitable for monitoring Earth Fault Current conditions for Motor / Pump loads. It is used in single phase system supply, where Under / Over Current monitoring or protection is required. It can be Rail mounted & have individually settable under / over current settings, thus increasing their utility as entire System Protection Relays. Added facility of adjustable Trip Time Delay and Power-ON Delay has also be provided, alongwith separate indications.
 
Features:
· Monitors Earth Fault currents.
· Instant Trip.
· Adjustable Over Current settings （0.1 – 2A）
· 1 CO output rated 5A / 230V AC （Resistive）.
· LED indications for Power ON & Fault.
· Manual Reset.
· Sleek DIN Rail mounted housing.
 
 
 
 
Application Areas:
General panels Motor starter panels HT motor starter panels Power distribution panels 3 phase UPS panels Centrifugal machine control panels
 
Technical Specifications:
 
Sr.
Parameter
Specifications
1 Supply Voltage System 110 / 240 / 380 / 415 V AC ±20%; Auxiliary 12 V DC / 24 / 30 V DC ±10%
2 Ext. Input 5 A CBCT or 3 x 5A CT
3 Output contact 1 CO （Normal fail safe logic）
4 Trip setting Under Current N.A.; Over Current 0.1 - 2 Amp （adjustable）; Under Frequency —; Over Frequency —; Under Power —; Over Power —; Cos-Ø —; Reverse Power —
5 Input Current Range —
6 Power On Delay N.A.
7 Trip Time Delay Instantaneous
8 Resetting Manual
9 Weight 400gms.
10 Dimensions （mm） Overall （L x W x D） 76 x 56.5 x 11.7; Mounting （L x W） 67 x 46


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