Megger CB-845 Circuit Breaker Test Set

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Megger CB-845 Circuit Breaker Test Set
  • Application

  • The Megger CB-845 is a Primary Injection Test Set whose lightweight design facilitates testing switchgear in areas previously inaccessible to high-current test equipment.
  • Key Features

  • Digital memory ammeter
  • Digital, multirange timer
  • Lightweight and portable
  • High-current output
  • Solid-state output initiate circuitry

Specifications
Input Voltage (switchable) 208 and 240 V, 1φ, 30 A
Input Frequency 50 or 60 Hz (user must choose prior to ordering)
Output Range 0 to 1200 A at 6 V max., continuously adjustable
Output Capacity For instantaneous trip tests: 5000 A through a typical 500 A, molded-case circuit breaker
For time-delay tests: up to 1500 A max. or three times the rating of the DUT
Ammeter Solid-state with multiple ranges and a read-and-hold memory to measure short-duration currents
Operating modes Memory or Normal - switch selected
Digital display 3½ digit, extra-bright LED display with 0.3 in. (7.62 mm) numerals
Ranges 0 to 19.99/199.9/1999 A/10 kA (switch selected)
Continuous accuracy
(overall ammeter system)
± 1% of reading, ± 1 digit on three high ranges, ± 1 digit on low range
Timer Solid state, digital, with crystal controlled oscillator
Timer Display 5-digit, extra-bright LED display with 0.3 in. (7.62 mm) numerals
Ranges (switch-selected) 0 to 99.999 s
0 to 999.99 s
0 to 99999 cycles
Accuracy ± 0.005% of reading, ± 1 digit
Dimensions Control Unit: 11.25 H x 21.75 W x 17.5 D in. (29 H x 55 W x 44 D cm)
Output Units: 11.25 H x 21.75 W x 19.5 D in. (29 H x 55 W x 49 D cm)
Weight Control Unit: 69.25 lb (31.4 kg)
Output Unit (50 Hz): 123 lb (55.8 kg)
Output Unit (60 Hz): 103 lb (46.8 kg)