Earth Fault Relay-DG201A

DGB1NLE-63 Residual Current Circuit Breaker
2017年7月7日
Overcurrent Relay-DG1000A
2017年7月8日

DG201A Earth Fault Relay


Cost-effective earth fault relay comprehensively detect and activate trip protection to medium and low voltage applications.It has five selectable IDMT characteristic curves which provide multiple matching protection characteristics curve for different load types.
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PRODUCT DETAILS



FEATURES:

Microprocessor based numerial relay

Current measurement based on fundamental frequency

Low-set definite time relay

High-set instantaneous relay

Separate low-set and high-set indicators

Option to disable the high-set relay

Front panel access to the test function

Complies with IEC 60255-26 standard


TECHNICAL SPECIFICATIONS:

Ratings

Rated current ( In ):5 A

Rated frequency:50 Hz

Burden:< 0.3 VA at In

Thermal withstand:4xIn continuous

Auxiliary Supply

Model DG201A-240A:198~265 VAC

Model DG201A-110A:94~127 VAC

Supply frequency:50 Hz

VA rating:3VA typical

Setting Ranges

Low-set (I>): 0.1 A to 2.0 A: 2% to 40%

Low-set delay time(DELAY): 0.05 sec to1.0 sec

High-set (I >>):I > to 10 x I > or disable

High-set delay time ( t >>):Instantaneous

Contacts

Trip contact (R1): Manual reset type

Contact Arrangement:Change-over

Contact rating:5A, 250VAC (cosϕ = 1 )

Contact material:Silver alloy

Expected electrical life:100,000 operations at rated current

Expected mechanical life:5 x 106  operations

Indicators

Auxiliary supply:Green indicator

Pick-up:Red indicator

Trip:Red indicator

Performnce

Adjustable accuracy: Less than ±5%

Repeatability: Less than 0.5% of full scale

Mechanical

Mounting: Panel mounting

Front panel: Standard DIN 96 mm x 96 mm

Approximate weight: 0.6 kg

Enviromental conditions

Temperature: -5°C to +55°C

Humidity: 56 days at 93% RH and 40°C non-condensing


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