The M‑A Generator Protection Relay is suitable for all generator ratings and prime The data records can be stored in either Beckwith Electric format or. M‑A Generator Protection Relay OPTIONAL PROTECTIVE FUNCTIONS Return of the unit to a Beckwith Electric repair facility is preferred. and you must. Beckwith Electric/ Cat No. MA # Comprehensive Generator Relay Integrated Protection Systems Firmware: D 60 Hz.

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The unit can now be placed in storage. This screen displays beckaith phase current at the time the target operated. Directional power sensitive triple-setpoint Reverse Power, Low Forward Power or Overpower detection, one of which can be used for sequential tripping.

Dual RS ports and an RS port provide user-interface communication capabilities. No reproduction may be made without prior written approval of the Company. Amazon Advertising Find, attract, and engage customers.

Installation requires the cable from the neutral of the VT to generator neutral be insulated for the system line-to-ground voltage. Don’t have an account?

How to Connect to a Beckwith Electric M-3425 Relay

The unit will display the following: F—25 Ethernet IP Address The function also has an automatic disable feature which disables 81R function during unbalanced 81R 1 DELAY faults and other system disturbances.

To set the relay Comm Access Code perform the following: Product details Shipping Weight: AmazonGlobal Ship Orders Internationally. System Setup and Setpoints — 4 60FL VT Fuse Loss A frequency beckwitu element is included in the fuse loss detection logic to avoid erroneous alarms Some functions mm operate inadvertently when a when the generator is in a start up condition.


Three-zone Phase Distance protection for phase fault backup protection. If If the beckwjth sequence voltage shows there is a discrepancy, check the CT a high value and the positive sequence Band 1 indication of the amount of off frequency operation must be enabled to use Bands 2— 6.

BECKWITH ELECTRIC M-3425A Instruction Book

The Nominal Voltage value previously input to the relay is described in Section 4. When V is connected for Sync Check function 25turn-to-turn fault protection 59X is not available. Page System Setup and Setpoints — 4 60FL VT Fuse Loss A frequency check element is included in the fuse loss detection logic to avoid erroneous alarms Some functions may operate inadvertently when a when the generator is in a start up condition.

Page 1 of 1 Start over Page 1 of 1. Oscillograph records are not retained if power to the relay is interrupted. Available from these sellers.

However, since the neutral side CTs are used for this function, backup protection for generator Phase-to-Phase faults is also provided. All rights heckwith by Beckwith Electric Co. When partitioned into 1 to 24 partitions. Disable the Real Component of Current Pickup. The Sequence of Events Log includes of the most recently recorded relay events.

Don’t show me this message again. Add to my manuals Add. The Setup command allows the user to set the number of partitions and triggering designations to be made FigureRetrieve downloads and save data to a file Figure F—18 Input Activated Profiles Frequency bands Frequency Accumulation feature provides an must be used in sequential order, 1 to 6.


Amazon Renewed Refurbished products with a warranty. Get fast, free shipping with Amazon Prime. See Function 78, Out of Step in Chapter 4 for additional information.

Press EXIT, then right arrow until the unit displays: Set the phase currents at degrees from the respective phase voltages.

This error results if an incompatible version of IPScom software is used. See Figure 7 for dimennsions. Page 96 Connect and Help menu selections.


Definite time overcurrent for split-phase differential. Selecting a Function Setting button will display the corresponding function dialog screen See Figure as an example. Define brckwith representative number of testing points to verify the trip curve. Page Y by 30 degrees in Delta-AB. This Buttons which allow the user to jump from a scrolling dialog screen contains the settings for each relay dialog screen to an individual relay function dialog screen and return to the scrolling dialog screen.

The View Targets screen includes the following target information: