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MULTI-AMP CIRCUIT BREAKER TESTER MS-1A, US $1,200.00 – Picture 0
MULTI-AMP CIRCUIT BREAKER TESTER MS-1A, US $1,200.00 – Picture 0

Multi-amp Circuit Breaker Tester Ms-1a

US $1,200.00

  • Fairbanks, Alaska, United States
  • Aug 25th
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YOU WILL RECEIVE WHAT IS PICTURED, NOTHING LESS NOTHING MORE.The MS-1A test unit has a patented circuit consisting of a continuously variable autotransformer which supplies a Multi-Amp output transformer, thus providing stepless control of the output current. Integral metering, timing and control circuitry are included. The unit is housed in a convenient suitcase-type enclosure for easy portability.   The MS-1A will test time-current characteristics of motor overload relays and molded case circuit breakers rated up to 100 amperes by simulating overloads up to 300% of their rating. Auxiliary applications include testing of in-line motor cut-outs, fuse links, meters and rationing current transformer. Specifications Rating 0.6 kVA Input 120 volts, 60 hertz*, single phase Output Continuously adjustable in four ranges lo meet a variety of test circuit impedances:0 - 140 volts at 4.5 amperes 0 - 24 volts at 25 amperes 0 6 volts at 100 amperes 0 - 3 volts at 200 amperes Ammeter A large, easily read instrument with 3 inch scale:Scales: 5110/25 Ranges (switch selected): 0-2.5/5/10/25/50/100/250/500 amperes Timer A synchronous motor-driven digital mechanism accurate to ± 0.5* second. Measures elapsed time of the test from 0.1 second to 9999.9** seconds. Push-button reset. Housing Molded public, high strength suitcase type enclosure with easy to carry handle. Storage space is provided for test leads. Dimensions Height: 9 inches; Width: 14 inches; Depth: 9 inches Weight Net: 35 pounds; Shipping: 42 pounds Test Leads Two No. 22 timer leads each 5 feel long. These leads are used to connect the binding posts on the MS-1A labeled CONTACTS to the contacts of the device under test which will open when the device trips. Two No. 4 high current lead., each 5 feet long. These cables are used to connect the output terminals of the MS-1A to the current element of the device under test. •50 hertz units are equipped to operate from 120 volts, 50 hertz, single phase. For other input voltges use a suitable 1.0 kVA step-down transformer. ••S/N 5070 and up. Earlier units are accurate to ± 1 second and measure from 1 second to 999 seconds
“used in working condition.”
Brand MULTI-AMP
MPN MS-1A
Measured Parameter(s) 0-20
Modified Item No
Custom Bundle No
UPC Does not apply

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