Eaton MET Operating Instructions Manual
Eaton MET Operating Instructions Manual

Eaton MET Operating Instructions Manual

Electronic recloser control tester

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Reclosers
MN280067EN
Type MET electronic recloser control tester
operating instructions
COOPER POWER
Effective July 2017
Supersedes February 2001 (S280-76-1)
SERIES

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Summary of Contents for Eaton MET

  • Page 1 COOPER POWER Reclosers SERIES Effective July 2017 MN280067EN Supersedes February 2001 (S280-76-1) Type MET electronic recloser control tester operating instructions...
  • Page 2 CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or other-wise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to...
  • Page 3: Table Of Contents

    Contents DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I SAFETY FOR LIFE .
  • Page 4: Safety For Life

    SAFETY FOR LIFE FOR LIFE Eaton meets or exceeds all applicable industry standards relating to product safety in its Cooper Power series products. ™ We actively promote safe practices in the use and maintenance of our products through our service literature, instructional training programs, and the continuous efforts of all Eaton employees involved in product design, manufacture, marketing, and service.
  • Page 5: Shipment And Acceptance

    Type MET electronic recloser control tester operating instructions Shipment and acceptance Specifications Input This test set is completely assembled. inspected, adjusted, and tested at the factory. It is in good condition when 115 Vac, 50/60 Hz, single phase (fused for two amp) with accepted by the carrier for shipment.
  • Page 6: Description And Use Of Operating Controls

    Type MET electronic recloser control tester operating instructions Description and use of operating controls on the front panel and are keyed to Figure 2, a close-up view of the front panel. Reference designations are labeled on the front panel of the tester.
  • Page 7: Operating Procedures

    If a mismatch between grounds on the ME control and the cable—capable of checking both battery voltage and battery MET tester exists when the ME control is energized with ac charge/discharge rates—is available as an accessory. With voltage, a buzzer within the MET Tester will sound. Correct the addition of adapters to the special battery test cable, the problem immediately before proceeding.
  • Page 8 Battery discharge and charge rates (1) Using the interconnecting cables supplied with the The MET tester can be used to measure battery discharge and tester, connect both the control and the recloser to charge rates on Form 2, Form 3 and Form 3A controls only.
  • Page 9: Control Tests

    Type MET electronic recloser control tester operating instructions (2) Energize the operator cabinet of the recloser Power cord plugged into a 115-Vac grounded outlet. See CAUTION at beginning of OPERATING with 230-Vac power and turn Test Selector PROCEDURES section. Switch S6 to CHARGE—(40 mA). The meter should read approximately 15 mA minus the Cabinet of electronic control under test also grounded.
  • Page 10 Type MET electronic recloser control tester operating instructions Control settings: Check to make sure that the control is programmed for at least one fast phase trip operation. Form 2, Form 3 and Form 3A controls: place a shorting jumper across the A phase-trip resistor...
  • Page 11 Type MET electronic recloser control tester operating instructions Form 3 family controls only: To prevent overshooting that the control and tester settings are as specified under while raising the test current to the minimum-trip INITIAL CONDITIONS and proceed as follows:...
  • Page 12 Type MET electronic recloser control tester operating instructions To check the reclosing time, check that the control and Energize the tester by setting the ON/OFF Power tester settings are as specified under INITIAL CONDITIONS switch S1 to ON. The green Recloser Simulator-Open and proceed as follows: lamp will light.
  • Page 13: Recloser Tests

    TR1 to zero before the All switches and controls in their OFF or extreme control recloses the MET Tester. The clock will start counterclockwise position, except Test Selector switch S6 in running when the control recloses the MET tester.
  • Page 14 Type MET electronic recloser control tester operating instructions Appendix A–Tables and charts Page Figure 4 Typical phase-trip TCC curves for Types RE and RVE reclosers ................11 Figure 5 Typical ground-trip TCC curves for Types RE and RVE reclosers ................11 Table 2 Quiescent Drain of Form 2 and Form 3 Family Control Accessories ......
  • Page 15 Type MET electronic recloser control tester operating instructions Table 2 . Quiescent drain of control accessories (control in home position), form 2 and form 3 family controls Accessory cat. no. Description Drain (mA) Remarks KA282ME Battery indicating milliammeter KA287ME 24-VDC surge protector...
  • Page 16 Type MET electronic recloser control tester operating instructions Accessory cat. no. Description Drain (mA) Remarks KA1037ME Instantaneous trip-all multipliers If phase disabled. If accessory active. If ground disabled. KA1137ME Targets, auto/manual reset – See KA1025ME. KA1119ME Capacitor trip backup KA1122ME...
  • Page 17 Swing out the front panel of the ME control and disconnect the red and black battery leads from the The special battery-test cable enables the MET tester to BATTERY (+) and (—) terminals along the bottom edge check battery voltage and charge/discharge rates of early of the tie board on the back of the front panel.
  • Page 18 Trip) or the Minimum Trip Test (Ground) as applicable. serial number 1615 The current measured by the Ac Ammeter on the MET The following special hookup is required to test the ground- tester will be the equivalent test current entering the trip operation of Form 2 controls below serial number 1615 ground section of the control.
  • Page 19 Type MET electronic recloser control tester operating instructions This page intentionally left blank. OPERATING INSTRUCTIONS MN280067EN July 2017...
  • Page 20 Waukesha, WI 53188 United States Eaton.com/cooperpowerseries © 2017 Eaton All Rights Reserved Printed in USA Eaton is a registered trademark. For Eaton’s Cooper Power series product Publication No. MN280067EN information KA2048-229 REV02 call 1-877-277-4636 or visit: All trademarks are property www.eaton.com/cooperpowerseries.

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Cooper power series

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