NUMERICAL OC/EF PROTECTION RELAY ADR141C/241C
ASHIDA Electronics Pvt. Ltd.
Ref: Manual / ADR141C / 241C
Issue: 04D
Date : 10.07.2014
Page 12/86
7. Technical data
7.1 Technical specifications
Sr. No. Specification Particulars
I. Current Input : Suitable for CT secondary 5Amp. Or 1Amp site selectable
II. Aux. Supply : 18 - 250VAC/DC.
III. VA burden on CT : Less than 0.2VA
IV. VA burden on Aux. : Less than 10 Watts
V. Operating Temp. range : -10 deg. To + 65 deg.
VI. Continuous carrying
capacity
: 2 x of rated for CT and 1.5 x of rated for PT
VII. Pick up : Within 1.1 times of set value.
VIII. Reset Value : 95% to 90% of pick up.
IX. Output Contact : 4 Trip duty user assignable
X. Contact Rating : Continuous: 5A
: Make & carry for 0.5 sec : 30A
: Make & carry for 3 sec : 15A
XI. Opto Isolated input : 1 for CB NO & 1 for CB NC
XII. Thermal With stand for CT : 20 x of rated for 3.0 sec.
General Settings
XIII. General setting : New Password 0 – FFFF
: Unit Id 0 – 250 in steps of 1
: CT Sec 1A or 5A
: CT Primary 10 – 3000 in steps of 1
: Test Block 01: YES, 02: NO
: Trip Ckt. 01: YES, 02: NO
: BF Enable 01: YES, 02: NO
: BF Delay 50 - 800 ms steps of 50ms
: Baud Rate
1200 – 57600 (Only for ADR241C)
: Frequency 50Hz – 60Hz
Relay Settings
XIV. Phase Section (Ip) : IP> Settings 10% – 250% in steps of 1%.
: IP> Time Multiplier (TMS) x0.01 – x1.00 in steps of 0.01
: IP> Curve
(Operating Time)
C1 – C6
( IDMT curve C1 – C5 or Definite Time C6 )
: IP> C6 Delay 0.1 – 99.9 Sec in steps of 0.1Sec.
: IP>> Settings 50% – 3000% in steps of 50%
: IP>> Delay 0 – 2.00 Sec in steps of 0.01Sec.