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Minilec Microprocessor Pump Automation System

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Product Description

Minilec Microprocessor Pump Automation System

OVERVIEW :-

M-Commander is a micro-processor based Motor protection and Pump management system, suitable for 2 pumps,

Sensing voltage, current and temperature,

Protecting against Phase Failure, Unbalance,

Phase sequence, Under/over voltage,

Overloading, dry running, winding over temperature,

Over current/Short circuit,

Locked rotor, earth fault. Auto/Manual resetting,

Adjustable trip settings for UV/OV,

UC/OC, O/L, Locked rotor & earth fault,

On delay & start-up delay adjustable,

2x1CO output relays RTC based time settings,

Water level control.

Motor protection Includes
	Under /Over voltage protection
	Single/Reverse phasing protection
	Voltage / Current unbalance
	Overload trip
	Over current protection
	Dry running protection
	Earth fault protection
	PTC based winding overheating protection

Pump Management System Features

Auto Change over between two pumps

Intelligent resetting facility

On-site programming facility

Password protection for programming

Pump On-Off timer programmable for 10 times a day, with advance programming of 7 days

Provision for water level control

Run-time compensation

Ideal for Pump Automation & Unmanned Pumping Stations

TECHNICAL SPECIFICATION:-

Supply Voltage

System	:	415 V AC +20%,-25% 50/60Hz ± 3%
Auxillary	:	90-270 VAC/DC ± 20%, 50Hz

Output Contacts	:	4 x 1 CO Relays (for 2 pumps)

Current sensor	:	External CT5 / CT20 / CT50

Reset	:	Auto/ Multi-Attempt / Manual

Unbalance	:	1-20% ± 6V for Voltage Unbalance 20-60% ± 5% of current unbalance

Overload	:	As per inverse time characteristics

Over Current / Short Circuit	:	300% - 800%

Locked Rotor	:	200% - 500%

Earth Fault	:	30% - 80%

Winding Overheating	:	As per PTC temperature characteristics

Under Voltage	:	75% - 95% of system supply (adjustable)

Over Voltage	:	105%-120% of system supply (adjustable)

Dry Running	:	30-90% of Imax

Display	:	16x2 Ch. (Backlit LCD)

Level Control	:	Upper tank full Lower tank empty

Weight	:	800 gms.

Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)