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Littelfuse 201A-9 Three-Phase Voltage Monitor

Price: $144.03
Quantity:
+ -
Usually ships within 1 week
SKU: MSR201A-9


Shipping Weight:
2.0 LBS
Shipping Dimensions
Length: 6 In
Width: 6 In
Height: 10 In
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Littelfuse 201A-9 Voltage/Phase Monitor Description

The Model 201A-9 is a voltage monitor designed to protect 3-phase, 190/480VAC, 50/60Hz motors from damage caused by low voltage, voltage unbalance, single phasing, and phase reversal.

Littelfuse 201A-9 Voltage/Phase Monitor Typical Applications

  • Fans
  • Compressors
  • Air Conditioners
  • Heat Pumps
  • Well Pumps
  • Sump Pumps
  • Small Conveyor Motors

Littelfuse 201A-9 Voltage/Phase Monitor Product Features

  • Protects Three-Phase Motor From:
    • Phase Loss (single phasing)
    • Phase Reversal
    • Low Voltage
    • Voltage Unbalance
  • Diagnostic LED
  • UL Listed
  • 5-year Warranty
  • Made in USA

Littelfuse 201A-9 Voltage/Phase Monitor Product Specifications

3-Phase Line Voltage . . . . . . . . . . . . 190-480 VAC

Frequency . . . . . . . . . . . . . . . . . . . . . 50 or 60 Hz

Low Voltage (% of set point)

  • Trip . . . . . . . . . . . . . . . . . . . . . . . . . . 90% ±1%
  • Reset . . . . . . . . . . . . . . . . . . . . . . . . .93% ±1%

Voltage Unbalance (NEMA)

  • Trip . . . . . . . . . . . . . . . . . . . . . . . . . .6%
  • Reset . . . . . . . . . . . . . . . . . . . . . . . . 4.5%

Optional High Voltage (% of set point)

  • Trip . . . . . . . . . . . . . . . . . . . . . . . . . . 110% ±1%
  • Reset . . . . . . . . . . . . . . . . . . . . . . . . .107% ±1%

Trip Delay Time

  • High/Low Voltage Fault. . . . . . . . . . . . 4 seconds
  • Unbalance & Phasing Faults . . . . . . . 2 seconds

Restart Delay Time

  • After a Fault . . . . . . . . . . . . . . . . . 2 seconds
  • After a Complete Power Loss. . . . . . . 2 seconds

Output Contact Rating (SPDT)

  • Pilot Duty. . . . . . . . . . . . . . . . . . . . . . . . 480 VA @ 240 VAC 
  • General Purpose . . . . . . . . . . . . . . . . . . . . . . . 10A @240 VAC

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -20° to 70°C (-4° to 158°F)

Trip & Reset Accuracy . . . . . . . . . . . . . ±1%

Maximum Input Power   . . . . . . . . . . . . . 5 Watts

Relative Humidity . . . . . . . . . . . . . 10-95%, non-condensing per IEC 68-2-3

Terminal Torque . . . . . . . . . . . . . 12 in.-lbs. (for OT08-PC socket)

Wire Gauge . . . . . . . . . . . . . 12-22 AWG solid or stranded

Transient Protection(Internal) . . . . . . . . . . . . . 2500V for 10 ms

Electrostatic Discharge(ESD) . . . . . . IEC 61000-4-2, Level 3, 6kV Contact, 8kV Air

Radio Frequency

  • Radiated . . . . . . . . . . . .150MHz, 10V/m
  • Fast Transient Burst . . . . . . . . . . . IEC 61000-4-4, Level 3, 3.5kV Input Power and Controls

Surge

  • IEC . . . . . . . . . . . .IEC 61000-4-5, Level 3, 4kV line-to-line; Level 4, 4kV line-to-ground
  • ANSI/IEEE . . . . . .C62.41 Surge and Ring Wave Compliance to a level of 6kV line-to-line
  • Hi-Potential Test . . . . . .Meets UL508 (2 x rated V +1000V for 1 min.)

Safety Marks

  • UL (OT08PC Octal Socket Required) . . . . . . UL508 (File #E68520)
  • CE . . . . . . . . . . . IEC 60947-6-2

Weight . . . . . . . . . . . . . . . . . . . . . . . . 11.2 oz.

Mounting Method . . . . . . . . . . . DIN Rail or Surface Mount (plug in to OT08PC socket)

Socket Available . . . . . . . . . . . Model OT08PC (UL Rated 600V)

The 600V socket can be surface mounted or installed on DIN Rail.

Must use Model OT08PC socket for UL Rating!

*Note: Manufacturer’s recommended screw terminal torque for the OT Series Octal Sockets is 12 in.-lbs.


WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.govWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

SymCom Warranty

SymCom Limited Warranty

Terms and Conditions of Sale

Effective January 1, 2009 General Remarks: These Terms and Conditions of Sale apply to all sales and deliveries effected by SymCom. Any terms or conditions on the part of the purchaser that are contrary to these shall not be binding on SymCom, even if they form the basis of the order. Prices: Subject to change without notice. Minimum order is one hundred-fifty dollars ($150.00), excluding shipping charges. Terms: Net 30 days from ship date with approved credit. New customers requesting trade credit must submit a credit application prior, and receive approval prior to an order being placed in production. Handling Fee: A $5.00 handling fee will be assessed on each order. Delivery: Buyer's delivery schedule will be met to the best of SymCom's ability. SymCom reserves the right to make partial shipments on any order. SymCom is not responsible for shipping errors on behalf of the carrier. Freight: All sales are F.O.B., SymCom, Inc., Rapid City, SD. Shipments will be made by the transportation method selected by the Buyer whenever practical. Warranty: SymCom warrants its standard products against defects in material or workmanship for a period of five (5) years from the date of manufacture. All third-party products are warranted by their manufacturer and are handled as a pass-through warranty by SymCom. All custom and private labeled products are warranted for eighteen (18) months unless otherwise stated in writing. The liability of SymCom is limited, at its option, to replace, repair, or credit at the purchase price, for any devices which are returned during the warranty period and which prove to be defective. This warranty constitutes SymCom's sole liability here under and is in lieu of any other warranty expressed, implied or statutory, written or oral, including without limitation, any implied warranties of merchantability or fitness for a particular purpose and supersedes any representations made by any person which are inconsistent with or expand the terms set forth in this document. No person is authorized to modify this warranty in any way whatsoever. Limits of Liability: IN NO EVENT, REGARDLESS OF CAUSE, SHALL SYMCOM BE LIABLE FOR (1) PENALTIES OR PENALTY CAUSES OF ANY DESCRIPTION OR (2) FOR CERTIFICATION NOT OTHERWISE SPECIFICALLY PROVIDED HEREIN AND/OR INDEMNIFICATION OF BUYER TO OTHERS FOR COSTS, DAMAGES OR EXPENSES, EACH ARISING OUT OF OR RELATED TO THE PRODUCT OR SERVICES OF ANY ORDER OR (3) FOR ANY DAMAGES, WHETHER GENERAL, SPECIAL, OR FOR NEGLIGENCE, AND EXPRESSLY EXCLUDES DAMAGES RESULTING FROM LOSS OF PROFITS, USE OF PRODUCTS, ANY INCIDENTAL, OR INDIRECT CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SYMCOM'S OBLIGATION TO REPAIR, REPLACE OR CREDIT THE PURCHASE PRICE SHALL BE THE LIMIT OF ITS LIABILITY UNDER THIS WARRANTY. Returns: All returns must be authorized by SymCom and must have a Return Material Authorization (RMA) number. Issuance of a RMA number does not acknowledge goods as defective or under warranty by the seller. Unauthorized returns will be refused. Authorized returns must be shipped freight prepaid and are subject to inspection and/or testing prior to disposition. Product built to Buyer's specifications cannot be returned for credit or exchanged under any circumstances. For SymCom’s complete RMA terms, please visit our website. Cancellation of Custom or Non-Preferred Products: Buyer may cancel an order upon written notice to SymCom's customer service department and upon payment of cancellation charges, which shall include all costs, both direct and indirect, incurred and/or committed. SymCom agrees to divert completed work and work in progress from a cancelled order to other orders whenever possible. Cancellation of Preferred Products: Full refund if returned within 30 days of purchase. Unit must be in original packaging and in new condition. An RMA must be issued for any return.

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