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GE Multilin 169PLUS-120N-125VDC Motor Management Relay

From:GE | author:Mr.Chen | Time :2024-09-05 | 126 view: | Share:

The 169PLUS-120N-125VDC is a highly configurable motor protection system manufactured by General Electric Multilin.

The relay comes with basic setpoints programmed for large motor systems, which can be further adjusted by the user upon receipt of the relay or as they become more familiar with the data generated by the relay.

While users can manage their motor systems with fairly minimal connection to GE Multilin's 169PLUS-120N-125VDC.

However, the unit does offer a wide range of ports to diversify and customize the function of the relays.

Some of these connections include:

. Auxiliary Relay Contacts: these two contacts provide an additional NO/NC connection and operate independently of the other contacts.

The relays can be configured as non-fail-safe or fail-safe, and latching or non-latching.

They can be used for active alarm or trip functions and can trigger devices that are not just motors.

RTD Sensor Connections: The user can connect up to 6 resistance temperature detectors.

This is used to monitor values such as stator motor temperature, historical hottest temperature and ambient air temperature.

The relay then uses the data obtained from these connections to schedule the optimal cooling process.

. Analog output terminals: These two terminals can be configured using the relay's setpoint system.

It can be connected to chart recorders, remote meters, programmable recorders and/or computer loads.

. Emergency Restart Terminal: This connection type overrides trips within the system and forces a restart of the motor.

These connections add to the overall versatility of the system and can further protect motor components from damage during operation.

Frequently Asked Questions about 169PLUS-120N-125VDC

What is the 169PLUS-120N-125VDC?

The 169PLUS-120N-125VDC is a motor management relay manufactured by General Electric Multilin.

It is designed to work with three-phase medium-sized motors and provides components designed to protect, control, and monitor motor systems.

This particular unit features a 120 ohm nickel RTD and 125 V DC control power.

What RTD inputs are available on the 169PLUS-120N-125VDC?

The 169PLUS-120N-125VDC and other relays in the GE Multilin 169 Plus series of motor management relays have a variety of input options.

The 169 Multilin relay models have 6 stator RTDS and 2 more after those 6 stator RTDS.

In comparison, the 169 Plus relays (e.g., 169PLUS-120N-125VDC) have 4 additional RTDS after these 6 relays.

Are there mounting accessories available for the 169PLUS-120N-125VDC Multilin Motor Management 169 Plus Relay?

GE Multilin 169 and 169 Plus Motor Management relays (e.g. 169PLUS-120N-125VDC) can be mounted through the four mounting holes on the mounting panel.

Four mounting screws (10-32 x 3/8 inch) and four washers are included with relays purchased from Multilin.

The 169 series relays are designed with internal shielding to minimize interference or noise pickup during operation of the relay.

In any case, it is beneficial to secure the relay away from magnetic fields or high current conductors to further eliminate the occurrence of interference.

The terminals located on the rear panel of the 169PLUS-120N-125VDC help establish a connection if necessary.

The 169PLUS-120N-125VDC has analog current output terminals that can be programmed to better customize the relay for motor management applications.

The relay also has an RS 422 serial port (if Plus model).169 Plus relays have four sets of relay contacts (NO/NC).

For comparison, the 169 models have only two sets of relay contacts.

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