Ashida ADR141A, Instruction Manual, Page: 20 / 151

ADR141A /
ADR241A
Doc ID : ADR241A_IM_01
Ref ID : ADR241A/IM/I&S
Rev No.
: 02
Page No. : 20 of 150
Model and Options
Definition of Model No For Aditya Series Relays
AM XXX – XX – XX – XX – XX – XX – XX
XX = Communication Protocol
00 Not Applicable
02 IEC - 103
XX = PT
00 Not Applicable
XX = CT
03 1 / 5 Amp
XX = Cabinet Size
01 CSA (138 x 138mm)
XX = Cabinet Type
04 Drawout
XX = Auxiliary Supply
28 24 – 230V AC/DC ( ± 20%)
XXX = Sub Type
110 3O/C + EF + HF Relay
OC : 5 – 250 % in steps of 1%; OC HF : 50 – 3000% in steps of 1%,
OC TMS : X0.01 – x 1.5 in steps of 0.005;
EF : 5 – 250 % in steps of 1%; EF HF : 50 – 3000% in steps of 1%,
EF TMS : X0.01 – x 1.5 in steps of 0.005;
Contacts : 2NO for TRIP, 4NO for Ann., 1NO for BF, 1C/O for TCS
Status : 2 nos dedicated for TCS and 2 nos for Spare .
Example:
ADR241A–AM–110–01–04–28–03–00–02
ADR141A–AM–110–01–04–28–03–00–00
Applications
ADR141A/ ADR241A numerical relay designed for Transmission line protection,
Underground cable & feeder protection. Relay designed with fast and selective tripping
ensures the stability and availability of electrical power system.
ADR141A/ ADR241A relay apply for protection, control & monitoring of radial and ring main
feeder to achieve sensitivity and selectivity on phase and ground faults.