INTERTIE PROTECTION M-3520
Integrated Protection System®
Worksheet
 
We offer our most popular configurations; however, if you need a different configuration, please complete the following questionnaire, click on submit and we will call you within the next business day with a quote for an M-3520 including your specific options. Domestic shipments are F.O.B. factory. International shipments are FCA factory. Prices subject to change without notice. Prices listed are in USA dollars. All orders are subject to Beckwith Electric Co., Inc. standard terms of agreement.
 
DESCRIPTION: The Intertie Protection system M-3520 provides protection, control, monitoring and user interface functions. Includes protection for abnormal voltage and frequency, current unbalance (negative sequence), and directional power. Sync-check, VT fuse loss and directional phase and ground overcurrent protection are also provided. Stored targets and oscillography can be time-stamped. Dual RS-232 and RS-485 communication ports provide user-interface capabilities. Optional modules include the HMI Module for front-panel operation, and redundant power supply. The M-3822 IPScom® Communications Software is included for direct serial or remote communication access. Waveform data can be downloaded using IPScom, while the M-3801D IPSplot®PLUS Oscillograph Analysis Software allows for plotting and printing of the downloaded oscillographic data.
 
Price
Quantity
M-3520 Protection System
     
$ 2,100.00
Intertie Protection, M-3520, includes IPScom® software and the following protective functions.
 

Additional protective functions can be added from the menu of Optional Protective Functions:
• Sync-check plus feature (25)
• Phase undervoltage (27) and overvoltage (59)
• Neutral undervoltage (27G) and Neutral overvoltage (59G)
• Directional over/under power (32)
• Negative sequence overcurrent (46)
• Negative sequence overvoltage (47)
• Instantaneous overcurrent (50)
• Instantaneous neutral overcurrent (50G)
• Inverse time neutral overcurrent (51G)
• Inverse time phase overcurrent with voltage
• control/ restraint (51V)
• Peak overvoltage (59I)
• VT fuse-loss detection (60FL)
• Phase directional overcurrent (67)
• Directional inverse and definite time residual overcurrent (67N)
• Reconnect enable function (79)
• Over/underfrequency (81O/U)

 

M-3520 Optional Protective Functions
   
$ 735.00
  Dual-zone phase distance (21)
   
$ 1,365.00
  Out-of-step (78)
   
$ 365.00
  Rate of change of frequency (81R)
 
M-3520 Optional Functions
     
    1. Power Input/Current Transformer Secondary Ratings
   
    2. Operator Frequency
   
    3. Phase Rotation
   
    4. Communication
   
     
$ 250.00
  5. Target Module, M-3915 (D)
     
$ 250.00
  6. Human-Machine Interface (HMI) Module, M-3931 (E)
     
$ 420.00
 

7. Redundant Power Supply

   
     
  8. Mounting Options
n/c
  19" Rack Mount (H1-S)
$ 215.00
 
$ 215.00
 
$ 215.00
 
 

M-3520 Accessories
     
Price
Quantity
Description
     
$ 675.00
1. M-3801D IPSPlot® Plus Oscillograph Analysis Software
     
$ 15.00
2. M-0423 10' RS-232 Serial Null-Modem Cable (DB9 to DB9)
     
$ 80.00
3. M-0433 10' USB to Serial Adapter with RS-232 Serial Null-Modem Cable (DB9 to DB9)
     
$ 48.00
4. M-3933 10'RS-232 Serial Modem Cable (straight through DB9 to DB25)
     
$530.00
5. M-3908 - Universal Contact Input Adapter
     
 

6. Instruction Books

One IPS Product Support CD is Provided with each relay at no charge. Included on the CD are:

  • M-3822 IPScom Communications Software
  • M-3520 Instruction Book
  • M-3520 Relay Protocol Document
$ 20.00
English Instruction Book (paper copy)
     
$ 5.00
Additional IPS Product Support CD
     
Total:
   
 

The total price is based on the Beckwith Electric Company list price. Upon review of your submitted worksheet, we will provide by return e-mail a firm quotation which will include any applicable discounts.


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