Megger CB-845 Circuit Breaker Test Set
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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
| 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) |