The DDA-3000 and DDA-6000 are designed specifically to test low-voltage power and molded-case circuit breakers equipped with thermal, magnetic or solid-state trip devices. The unique transformer and circuit design results in a very high-capacity test set in a very compact size. Advanced digital control and instrumentation provides exact testing capacity. The test sets can also be used for other high current applications, such as verifying the ratio of current transformers and performing heat runs or primary injection testing of high-voltage breakers and their associated protective relays.

Features:

Model DDA-1 Digital Data Acquisition Instrumentation and Control System
High-current output: 60,000 A for Model DDA-6000; 35,000 A for Model DDA-3000
Digital signal processing (DSP) technology
Variable pulse time and firing angle output current control
Compliant with NEMA AB-4 test guidelines

Alte produse MEGGER

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• 2, 3 and 4 point testing
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• ART (Attached Rod Technique) capability
• Multiple, user selectable test frequencies
• Resistance measurement range to 200 kO
• IP54 rated
• Warning indicators prevent test failure
• Simple one button operation
• Included leads, stakes, calibration certificate and rugged carry case

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• DC test current up to 10 A maximum
• 0.25% measurement accuracy
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• Very fast auto safety discharge circuit

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• High or low output power selection for condition diagnosis
• Rechargeable battery or line power supply, continuous operation, even with dead battery
• 10 A for 60 seconds, less time waiting to cool, great for charging inductance
• High input protection to 600 V, inadvertent connection to line or UPS voltage will not blow a fuse
• Heavy duty case: IP 65 lid closed, IP54 operational (battery operation only)
• Rotary switch selects one of five test modes, including auto start on connection, giving ease of use

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• Rezultate fiabile în substaţii zgomotoase
• Teste precise cu RE>Act™
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• can generate 4x150 V (82 VA) and 3x15 A (87 VA) or 1x45 A (250 VA).
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• Testarea rampei (RCDT320/330)
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• Siguranţă trifazată