We offer Motor Protection Panel. The UBZ-301 (Universal microprocessor based motor protection unit)is a new device that provides full and effective multi-fault protection (protection from all faults in the mains, motor performance-induced faults and internal fault conditions of motor) for 3-Phase AC motors by a magnetic starter (contactor) coil control. The unit is designed for the continuous monitoring of the mains voltage parameters and for RMS phase/line currents of 3-Phase AC 380V/50Hz electrical equipment monitoring, primarily, of induction motors that develop power from 2.5kWT up to 315 kW, isolated neutral system included. It offers a solution for an electric motor heat balance equation. There are three separate modifications of the UBZ that cover three nominal current ranges: UBZ-301 5-50A; UBZ-301 10-100A; UBZ-301 63-630A. The unit isolates electrical equipment from the running system and/or disables its start: when the mains voltage is of poor quality (unallowable voltage jumps, phase loss, incorrect phase sequence and phase coincidence, phase/line voltage imbalance); when mechanical overloads (symmetrical phase/line current overload) take place. The unit performs overload protection with a dependent time delay; when phase/line current asymmetrical overloads induced by faults inside the motor occur. The unit performs protection from phase current imbalance and further disables an automatic reset; when phase current asymmetry without overload occurs that is induced by the insulation fault inside the motor and/or the power cable; when motor load is lost ( dry stroke for pumps). The unit provides the minimum start and/or operating current protection; when insulation level to frame is abnormally low. The unit performs insulation level test before start and if the insulation is poor the start is disabled. when stator winding ground-to-fault occurs during operation. The unit performs the ground leakage current protection. Contact us for more detail.

* The development of MR-series and IR Series Protective Relays and their introduction into the market has been stimulated by the recent trend to replace the electromechanical and the static relays. The micro controller technology enables opening of new horizons of performance in the field of relays and protection systems through the digital processing of measured values and the ability to perform complex arithmetic and logic operation. This gives the relays the performance and flexibility unmanageable with static and electromechanical counterparts. * Additional features in MR-Series Relays are multi function, self-supervision, fault diagnosis through fault data recording, smaller physical construction and selectable relay characteristics coupled with very small burden allow the implementation of accurate and highly reliable protection schemes.

THESE MONITORING/ PROTECTION RELAYS ARE IDEALLY SUITABLE TO PROTECT MOTORS/ GENERATORS/ CONTROL INSTRUMENTS AND OTHER ELECTRICAL DEVICES FROM FLUCTUATION AND OVER LOAD OCCURRING IN POWER SYSTEMS. OUR MODELS OF DT SERIES UPGRADED WITH THESE FACILITIES WITH RELAY OUTPUTS. WHICH CAN BE SITE PROGRAMMABLE PARAMETERS : V, A, HZ, PF, W, KW, KVA OR COMBINATION PROGRAMMABLE.

FEATURES : * 4 ELEMENT (3OC +1 EF) IDMT RELAY WITH INSTANT TRIP. * OC : 50 TO 200%,EF : 5 TO 80%. * OC HF : 100 TO 3000% OR BYPASS. * EF HF : 1400 TO 1200% OR BYPASS. * BACK-LIT LCD DISPLAY FOR SETTINGS. * DISPLAY FAULT CURRENT, LOAD CURRENT. * DISPLAY LOAD VOLTAGE WITH REAL TIME CLOCK. * FIVE SELECTABLE IDMT CURVES. * LATCHING LAST 5 FAULT CURRENT WITH REAL TIME. * PASSWORD PROTECTION FOR SETTING. * PROGRAMMABLE OPERATING TIME IN INSTANTANEOUS ELEMENT. * CT SECONDARY - 1A/ 5A (SELECTABLE). * PROGRAMMABLE & SCADA COMPATIBLE. * SEPARATE CURVE SETTING FOR PHASE AND EF. * WIDE PHASE SETTING (OC : 20 TO 200%). * INTERNAL AUTO RECHARGEABLE BATTERY FOR MAINTENANCE LCD DISPLAY AND COMMUNICATION DURING FAULT CONDITION. * LOW ENERGY PULSE OUTPUT TRIPPING FOR RMU. * EXTERNAL STATUS INPUT FOR FAST TRIP, TRIP BLOCK TRIP (230 AC). * AUXILIARY VOLTAGE SUPPLY IS NOT REQUIRED.