AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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TECHNICAL DATA
CONTROL & SUPERVISION RELAYS
Power Management Relay
Multifunction 3 Phase Measuring Instrument
✦ Display of various parameters, event count & event data on 8 digit alphanumeric display.
✦ Separate LEDs for various fault indication.
✦ �our user programmable output relays.
✦ Built in self supervision & self testing feature help maintenance.
✦ Easy operation by 5 push buttons.
✦ RS 485 port for serial communication with “MSCOM” User friendly software.
Model MW33 MU30
Description Power management Measurement
Device Code 81, 27, 59, P�, P, QL, QC Measure
Design Numeric Numeric
�unctions Available �requence 2 stages, Actual measurements of
Voltage 2 stage, �req, I, V, P�,
Power factor 2 stage, Power - Active / Reactive / Apparent
Active power 2 stage, Energy - Active / Reactive
Capacitor reactive power 2 stage.
Actual measurement of �req,
V, I, P�, active power, reactive power.
Maximum Demand
Other �eatures Display of Parameters, Display of Parameters,
MD recording & data logging Record of last event
RS485 Port, Event recording RS485 Port, Event recording,
Event counter, MD recording,
Oscillographic wave form capture
Burden on CT 0.2 VA for 5A, 0.01 VA for 1A 0.2 VA for 5A, 0.01 VA for 1A
Burden on PT 0.04 VA 0.04 VA
Operating temp 10° to 60° C 10° to 60° C
Weight < 2kg < 2kg
Burden on Auxiliary supply 8.5 VA max 8.5 VA max
Output Contacts 5 C/O 5 C/O
Construction Drawout Drawout
Dim W x H x D in mm 121 x 158 x 224 121 x 158 x 224
Panel Cutout 113 x 142 113 x 142