Basler Electric 9252000258 Be1-50/51b Overcurrent Relay

BE3 ac current relays provide current monitoring and protection in

both single-phase and three-phase systems. They are used in

applications such as motor protection, load detection, and generator

control. Undercurrent, overcurrent, and combined over/undercurrent

units are available. BE3 ac current relays operate when the

adjustable trip point is reached. A time delay control is provided with

an adjustment of 0 to 10 seconds (relay operating time is typically

200 milliseconds). This time delay may be used to prevent false

tripping when there are slight variations in the sensed current.

On overcurrent units, the output relay energizes when the input

signal exceeds the trip point. On undercurrent units, the output relay

de energizes when the input signal goes below the trip point. A red

LED indicates the state of the output relay. A green LED indicates

the condition of the power supply.

Enjoy proven, dependable, high performance with Basler Electric’s AVC line.

These extremely rugged and reliable regulators provide the performance and

functionality that revolutionized the modern analog voltage regulator market,

and they are still unrivaled today. Others have attempted to imitate the AVC’s

features and functions, but only the AVC remains the total solution.

The Electronic Manual Voltage Control MVC-300 is a solid-state

device en closed by a wrap-around metal chassis.

The MVC-300 is for mounting through a panel with controls

accessible from the front of the panel or can be mounted behind

the panel. A terminal strip located on the rear of the device

facilitates installation. A manual voltage adjust potentiometer and

a manual-off-auto switch are provided on the front face of the unit.

For use of a user-supplied external manual adjust potentiometer or

for adjust by a motor operated control (MOC), order MVC-301.

The MVC-300 and MVC-301 are designed to operate with Basler

voltage regulators powered from 120 or 240 volt AC sources up to

320 Hz. The adjustable output of the MVC-300 supplies power to 32.

63 or 125 volt fields at 7 amps.

The Basler Microprocessor-Based Reference Adjuster, Model RA-70.

replaces Motor Operated Potentiometers and provides a totally solid

-state method of adjusting the setpoint on Basler Automatic Voltage

Regulators (AVRs), Basler Shunt Static Exciter-Regulators (SSEs),

Basler Manual Voltage Controls (MVCs), the Basler Var/Power Factor

Controller (SCP-250) and other input devices having a rheostat or

potentiometer type control adjustment. The unit is designed for

"behind-the-panel" mounting in switchgear or control boxes.

All controls, inputs, outputs, and LED indicators are located on the

unit's front panel for ease of installation and adjustment.

The RA-70 Reference Adjuster also comes equipped with a 0-1 mA

output signal to operate a position indicator that will indicate the

setpoint position.

A terminal voltage limiter within the IFM-150 can be enabled to

monitor the generator voltage through the  synchronizing

transformer or external voltage transducer and compare the

measurement with a user adjustable reference level.

If the generator voltage exceeds the reference level for a user

-adjustable amount of time, the IFM-150 will modify the SCR

firing pulses and limit the generator voltage.

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