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Littelfuse 250-100-MET (Replaces METRON-100) Model 250-100/Right Form C Relay

Littelfuse 250-100-MET (Replaces METRON-100) Model 250-100/Right Form C Relay

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SKU : MSR250-100-MET

In Stock Quantity:0

:
Brand : Littelfuse/Symcom
$258.39 USD
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Description

Littelfuse 250-100-MET Description: (Replaces METRON-100)

Model 250-100-MET is a voltage monitor designed to protect 3-phase motors regardless of size. It is used on 95-120VAC, 50/60Hz motors to protect the motors from damage caused by low voltage, voltage unbalance, single-phasing and reverse phasing.

Littelfuse 250-100-MET Voltage Monitor Typical Applications

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

Littelfuse 250-100-MET Voltage Monitor Features

  • Protects 3-Phase Motors From:
    • Phase Loss (Single Phasing)
    • Phase Reversal
    • Low Voltage
    • Voltage Unbalance
    • Phase Reversal
  • Universal Range From 95-120 VAC 50/60 Hz Provides the Versatility Needed to Handle Global Applications.
  • Two Form C Relays
  • Microcontroller Based Provides Better Accuracy and Higher Reliability than Analog Designs.

Specifications

Littelfuse 250-100-MET Voltage Monitor Specifications

3-Phase Line Voltage . . . . . . . . . . . . 95 to 120 VAC

Frequency . . . . . . . . . . . . . . . . . . . . . 50*/60Hz Low Voltage

Voltage Unbalance (NEMA)

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

Trip Delay Time

  • Low Voltage, High Voltage . . . . . . . . . . . . . . . . 4 seconds
  • Unbalance, Phasing Faults . . . . . . . 2 seconds

Restart Delay Time

  • After a Fault . . . . . . . . . . . . . . . . . Manual, 2-300 seconds adj
  • After a Complete Power Loss. . . . . . . Manual, 2-300 seconds adj

Output Contact Rating

  • DPDT-2 Form C . . . . . . . . . . . . . . . . . . . . . . . . 480 VA @ 240 VAC Pilot Duty
  • . . . . . . . . . . . . . . . . . . . . . . . . . . . . or 10A @240 VAC General Purpose

Temperature Range . . . . . -40° to 70°C (-40° to 158°F)

Trip & Reset Accuracy . . . . . ±1%

Power Consumption . . . . . . . . . . . . . 5 Watts (Max.)

Relative Humidity . . . . . . Up to 95% non-condensing per IEC 68-2-3

Terminal Torque . . . . . . 7 in.-lbs.

Wire Size . . . . . . 12-18AWG

Transient Protection (Internal) . . . . . . IEC 61000-4-5;1995 ±6kV

Approvals

  • UL . . . . . . . . . . . . . . . . . . . . . . . . UL508 (File #E68520)
  • CSA. . . . . . . . . . . . . . . . . . . . . . . . CSA 22.2 No. 14 (File#46510)
  • CE . . . . . . . . . . . . . . . . . . . . . . . CE IEC 60947-6-2

Weight . . . . . . . . . . . . . . . . . . . . . . . . 16.32 oz.

Mounting Method . . . . . . . . . . . #8 screws

*Note: 50Hz will increase all delay timers by 20%.


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

Resources

Littelfuse 250-100-MET Voltage Monitor Resources

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Littelfuse 250-100-MET Product Specifications

Littelfuse 250-100-MET Installation Bulletin

Littelfuse 250-100-MET Engineering Specifications

Warranty
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