Overcurrent Relay-DG1000A

Earth Fault Relay-DG201A
2017年7月8日
6kA MCB-DGB2-63
2017年7月8日

Overcurrent Relay-DG100A

IMG_6732

Microprocessor-based numerical relay offers comprehensive protection schemes for low voltage applications.
----------------------------------------------------------------------------------------------------
Skype Online         cht@cht-ele.com
+86-13388562211     PDF Download
PRODUCT DETAILS



FEATURES:

Microprocessor based numerical relay

Current measurement based on fundamental frequency

Three-phase, low-set overcurrent

Three-phase, high-set overcurrent

Low-set earth-fault

High-set earth-fault

Definite time for low-set and high-set

Five selectable IDMT characteristic curves

Local display of measured and set values

Programmable relay outputs

Non-volatile fault values recording

Complies with IEC 60255-26 standard


TECHNICAL SPECIFICATIONS:

Ratings:

Rated current ( In ): 5 A

Rated frequency: 50 or 60 Hz

Burden: < 0.3 VA at In

Thermal withstand: 4 x In continuous

Accuracy:

Protection thresholds: ± 5%

Timing accuracy: ± 5%

Output Contacts:

Trip Contacts ( R1 & R2 )

Rated voltage:250VAC / DC

Contact rating:5 A

Expected electrical life:100,000 operations at rated current

Expected mechanical life:5 x106 operations

Overcurrent elements

Low-set (I >) : 0.5 A to 10.0A, step 0.05A :10% to 200%, step 1%

Low-set time multiplier (kt >): 0.05 to 1.0, step 0.01

Low-set definite time (t >) : 0.05 to 99s

High-set ( I >> )  : 0.5 A to 99.9 A, step 0.10 A or disable: 10% to 1998%, step 2%

High-set delay time ( t >>)  : 0.05 sec to 2.5 sec, step 0.01

Earth-fault element

Low-set ( Io >):0.10A to 5.0A, step 0.05A: 2% to 100%

Low-set time multiplier(kto>): 0.05 to1.0, step 0.01

Low-set definite time (to>):0.05 to 99s

High-set (Io >>): 0.10 A to 50A, step 0.10A or disable: 2% to 1000%, step 2%

High-set delay time( to >>) : 0.05 sec to 2.5 sec, step 0.01

Indicators:

Auxiliary supply:Green indicator

Time delay:Red indicator

Trip:7-segment display and red indicators


Contact Us
First
Last