{"id":6637,"date":"2024-06-18T23:48:39","date_gmt":"2024-06-18T23:48:39","guid":{"rendered":"https:\/\/jash.co.ke\/?post_type=product&p=6637"},"modified":"2024-06-18T23:48:39","modified_gmt":"2024-06-18T23:48:39","slug":"3o-digital-motor-protection-relay","status":"publish","type":"product","link":"https:\/\/jash.co.ke\/index.php\/product\/3o-digital-motor-protection-relay\/","title":{"rendered":"3\u00d8 DIGITAL MOTOR PROTECTION RELAY"},"content":{"rendered":"

BRIEF\u00a0SPECIFICATIONS<\/strong><\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Measuring Parameter<\/td>\nMonitors Over Load (As per NEMA Curve), Over Current, Under Current, Earth Fault, Lock Current, Current Asymmetry, Phase Sequence, Phase Failure<\/td>\n<\/tr>\n
Electrical Connection<\/td>\n3\u00d8 – 3W<\/td>\n<\/tr>\n
Test \/ Reset<\/td>\nManual \/ Auto reset<\/td>\n<\/tr>\n
No. of LED<\/td>\n2<\/td>\n<\/tr>\n
Voltage Measuring Range<\/td>\n90V – 270V AC \/ DC<\/td>\n<\/tr>\n
Earth Fault Current Measurement with EFCT<\/td>\n31A to 160A<\/td>\n<\/tr>\n
Current Measuring Range<\/td>\n3A – 80A (via external MPCT)<\/td>\n<\/tr>\n
Power Consumption<\/td>\n4VA (max)<\/td>\n<\/tr>\n
Output Contact<\/td>\nTrip 1 C\/O Alarm 1 C\/O (Programmable as Trip \/ Alarm),
\nRelay Rating NO 5A@250V AC \/ 28VDCNC 3A@250V AC \/ 28VDC<\/td>\n<\/tr>\n
Accuracy<\/td>\nTime \u00b15%+100msec Current 5% of IR(Rated Current),
\nReset Auto \/ Manual<\/td>\n<\/tr>\n
Functional Specifications<\/td>\nOver Load NEMA class : Start with OFF then Curve 5, 10, 15, 20, 30,
\nOver Current Ranges : Start With OFF then 4A TO 480A of IR (Rated Current) Step Size : 1A<\/td>\n<\/tr>\n
\n

Time Setting<\/td>\n

Over Current Trip Time: 0 – 999sec,
\nUnder Current Ranges : Start With OFF then 1A TO 79A,
\nOf IR (Rated Current) Step Size : 1A,
\nUnder Current Trip Time: 0 – 999sec,
\nCurrent Asymmetry Ranges : Start With OFF then 1A TO (Ir-1)A,
\nOf IR (Rated Current) Step Size : 1A,
\nCurrent Asymmetry Trip time: 0 – 999sec,
\nLocked current \/ Stall current: (Ir+1)A to 60A(Default :20A),
\n(Ir+1)A to 240A(Default : 80A),
\n(Ir+1)A to 480A(Default: 160A) Step Size : 1A,
\nLocked Current Trip time: 0 – 999sec,
\nEarth Fault Ranges : Start With OFF then 1A TO 160A,
\nStep Size : 1%,
\nEarth Fault Trip time: 0 – 999sec,
\nPhase Loss trip time: Instantaneous,
\nPhase Reversal Trip time: Instantaneous<\/td>\n<\/tr>\n
Auto Restart Attempt Time Frame<\/td>\n0 – 999sec for Current related parameter,
\n0 – 999sec for EFR<\/td>\n<\/tr>\n
Mounting<\/td>\nPanel Mount<\/td>\n<\/tr>\n
Size<\/td>\n96 X 96mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Digital MPR for 3P-3W systems, 2 C\/O (DPDT) relay, Aux. supply of 90 – 270V AC \/ DC<\/p>\n

\n
Product<\/strong>:\u00a0MPR-341-2<\/span><\/div>\n<\/div>\n
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