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珠海康寶萊儀表有限公司


頻率繼電器

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產(chǎn)品型號(hào)OFSD1

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OFSD1頻率繼電器It is a Over Frequency Relay. It is best suitable for monitoring supply over frequency or generator over speed. It is used in single phase system supply

詳細(xì)介紹

Introduction:
It is a Over Frequency Relay. It is best suitable for monitoring supply over frequency or generator over speed. It is used in single phase system supply, where Over Frequency monitoring or protection is required. It can be Rail mounted & have individually settable over frequency 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. It can be used as over speed monitor of DG sets.
 
 
 
Application Areas:
Generator control panels AMF control panels Power Distribution panels Induction heater control panels
 
Technical Specifications:
 
Sr.
Parameter
Specifications
1 Supply Voltage System 110 / 240 / 380 / 415 V AC ±20%; Auxiliary —
2 Ext. Input 110 / 240 / 380 / 415 V AC ±20% 12 / 24 V DC
3 Output contact 1 CO
4 Trip setting Under Current —; Over Current —; Under Frequency N.A.; Over Frequency 50 Hz - 70 Hz; Under Power —; Over Power —; Cos-Ø —; Reverse Power —
5 Input Current Range —
6 Power On Delay 3.5 secs. ± 1.5 sec （fixed）
7 Trip Time Delay 1 - 10 secs. （adjustable）
8 Resetting Auto
9 Weight 450 gms.
10 Dimensions （mm） Overall （L x W x D） 76 x 30.5 x 117.5; Mounting （L x W） 68 centre to centre


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