Relay bảo vệ quá dòng Mikro MK233A
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RATINGS
Current rating ( I n ) : 5 A
Rated frequency : 50/60 Hz
Burden : < 0.3 VA at I n
Thermal withstand : 4 x I n continuous

 

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SETTING RANGES
Low-set ( I > ) : 2.0 A to 6.0 A, step 0.05 A / 40% to 120%, step 1%
Low-set time multiplier ( kt > ) : 0.05 to 1.0, step 0.01
High-set ( I >> ) : 2.0 A to 99.9 A, step 0.10 A / 40% to 1998%, step 2%
High-set delay time ( t >> ) : 0.05 sec to 99 sec step 0.01 ( 0.05 ~ 1.00 ) step 0.10 ( 1.00 ~ 10.0 ) step 1.00 ( 10.0 ~ 99.0 )

ACCURACY
Protection thresholds : ± 5%
Time delay : ± 5% with a minimum of 50 ms

AUXILIARY SUPPLY
Supply voltage : 198 ~ 265 V AC / 90 ~ 120 V AC
Supply frequency : 50/60 Hz
VA rating : 3 VA typical

CONTACTS
Contact arrangement : Change-over
Contact rating : 6 A, 250 V AC ( cosj= 1 ) for tripping contact : 5 A, 250 V AC ( cosj = 1 ) for signaling contact
Contact material : Silver alloy
Operating time : 15 ms max.
Expected electrical life : 100,000 operations at rated current
Expected mechanical life : 5 x 106 operations
Approval : UL / CSA, VDE, TUV, SEMKO

INDICATORS
Auxiliary supply : LED indicator
Pick-up : LED indicator
Trip : 7-segment display and LED indicator 

MECHANICAL
Mounting : Panel mounting
Front panel : Standard DIN 96 mm x 96 mm
Approximate weight : 1.3 kg

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