Overcurrent Relay-DG204A

Overcurrent Relay-DG203A
2017年7月6日
Earth Leakage Relay-ELRDIN310
2017年7月6日

DG204A Overcurrent Relay


Microprocessor-based numerical overcurrent relay offers comprehensive protection schemes for low voltage applications.
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PRODUCT DETAILS



FEATURES:

Microprocessor based numerical relay

Current measurement based on fundamental frequency

Low-set inverse definite time relay (IDT)

High-set instantaneous relay

Separate low-set and high-set trip indicators

Option to disable high-set relay

Front panel access to test function

Complies with IEC 60255-26 standard


TECHNICAL SPECIFICATIONS:

Ratings

Rated current ( In ):5A

Rated frequency:50Hz

Burden:< 0.3VA at In

Thermal withstand:4 x In continuous

Auxiliary Supply

Model DG204A-240A:198~265VAC

Model DG204A-110A:94~127VAC

Supply frequency:50Hz

VA rating:3VA typical

Setting Ranges

Low-set ( I >):2.0A to 6.0A:40% to 120%

Time multiplier (TM) :0.05 to 1.0

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:5x106 operations

Indicators

Auxiliary indicator: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:0.7 kg

Enviromental conditions

Temperature:-5°C to +55°C

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

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