Vanguard CT-7000-3 Digital Circuit Breaker Analyzer
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Application
- The Vanguard CT-7000 analyzes the performance of circuit breakers by testing the contact time, stroke, velocity, over-travel, and contact wipe. Contact motion analysis can be performed for all circuit breaker operations.
Key Features
- Measures circuit-breaker motion
- Monitors Coil Voltage and On/Off status of the breaker
- Detects main contact and IR contact times in msec. and cycles
- Measures circuit-breaker velocity, stroke, over-travel, & bounce-back
- Initiate Open, Close, Open-Close, Close-Open, Open-Close-Open
| Input Power | 100 to 240 Vac 50/60 Hz |
|---|---|
| Dry-contact inputs | 3, 6, or 12 dry-input channels (depending on model) Each channel detects main and insertion resistor contacts |
| Timing windows | 1 second, 10 seconds, or 20 seconds |
| Timing resolutions | ±50 μsec. @ 1 sec. duration, ± 500 μsec. @ 10 sec. duration, ± 1.0 msec. @ 20 sec. duration |
| Timing accuracy | 0.05% of reading ±0.05 ms @ 1 second duration |
| Dry-contact channel protection | All contact inputs are grounded until test; input channels are protected against static discharge |
| Resistor detection range | 50 to 5,000 Ω |
| CT Current Sensor | one, non-contact, 0 to 100 amperes |
| Trigger input voltage | Open/Close: 30 to 300 V, DC or peak AC |
| Voltage sensing input range | V1: Analog input; 0 to 255 V DC or peak AC; sensitivity ± 1 V V2: voltage presence/absence detector input; 30 to 300 V DC or peak AC |
| Breaker operations | Initiate Open, Close, Open-Close, Close-Open, Open-Close-Open |
| Breaker initiate capacity | 30A, 250 Vac/dc max |
| Initiate current reading range | One, non-contact, Hall-effect sensor, 0 to 20 A range, DC to 5 KHz |
| Digital travel transducer inputs | 3 digital travel transducer channels Linear range: 0.0 to 60.0 in (± 0.01 in) Rotary range: 0 to 360 degrees (± 0.36 degrees) |
| Optional resistor type transducer input | One channel, resistance range: 200Ω to 10 kΩ |
| Contact travel point difference | Measures slow-close contact-point distances; results can be printed |
| Display | Back-lit LCD screen (20 characters by 4 lines); viewable in bright sunlight and low light |
| Printer | Built-in 4½ in wide Thermal Printer that prints both waveforms and tabulated test results |
| Internal test record storage | Stores up to 150 test records and 99 test plans |
| Computer interfaces | One RS-232C port, one USB port |
| PC software | Windows® based Breaker Analysis software |
| Safety | Designed to meet UL 6101A-1 and CAN/CSA C22.2 No 1010.1-92 standards |
| Environment | Operating: -10°C to 50°C (15°F to 122°F) Storage: -30°C to 70°C (-22°F to 158°F) |
| Humidity | 90% RH @ 40°C (104°F) non-condensing |
| Altitude | 2,000 m (6,562 ft) to full safety specifications |
| Cables | Furnished with full set of test leads (including 20-foot contact leads and 30-foot contact lead extensions) |
| Options | Transportation case (available for the CT-7500 S2 and travel transducers) |