Megger MS2A Circuit Breaker and Overcurrent Relay Test Set
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Application
- The Megger MS2A tests thermal, magnetic or solid-state motor overload relays, molded-case circuit breakers, ground-fault trip devices and overcurrent relays in utility companies, industrial plants, etc.
Key Features
- Primary Injection Test Instrument
- Light weight and portable
- Overcurrent Relay Testing
- Ground Fault Performance Testing for NEC 230.95
- Circuit Breaker Testing
| Input Voltage | 120 or 240 V, 1φ, 50/60 Hz (user must specify) |
|---|---|
| Output ranges | Output is continuously adjustable in four ranges: 0 to 5 A at 120 V max. 0 to 25 A at 24 V max. 0 to 120 A at 6 V max. 0 to 240 A at 3 V max. |
| Ammeter display | 3½ digit, extra-bright LED display with 0.3 in. (7.62 mm) numerals |
| Operating modes | Memory or Normal - switch selected |
| Ranges | 0 to 1.999/19.99/199.9/750 A (switch selected) |
| Continuous accuracy (overall ammeter system) |
± 1% of reading, ± 1 digit on three high ranges ± 1% of range, ± 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 | 9.9 H x 14 W x 11 D in. (25 H x 35 W x 28 D cm) |
| Weight | 33 lb (15 kg) |