Kwality Instruments 3 station MCB 28 Days and Temperature Rise Test Bench is economically designed to verify the 28 Days Test (21 hr ON, 3 hr OFF Test) as per clause 9.9 of IEC 60898-1 and Temperature Rise of the parts of a Circuit Breaker specified in Table 6 of clause 8.4.1 measured under the conditions specified in clause 9.8.2 of IEC 60898-1.
In the 28 Days Test, the MCB is subjected to 28 cycles, each comprising 21 hrs with rated current at an open circuit voltage of 30 V and 3 hrs without current for a continuous period of 28 days. The 28 Days Test and Temperature Rise Measurement are carried out simultaneously by the micro controller based timer unit and the digital temperature data logger measures the temperature at the locations where thermal measurement probes are placed. Another feature, viz. Power loss measurement across a closed MCB can be made available as per customized need.
Specifications:
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Total current range 0 to 200 A
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0.5A to 125 A at 30 V open circuit Voltage CT range 2A, 5A, 10A, 25A, 50A, 100A, 200A
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50 / 60 Hz operation as per incoming line frequency
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Overall accuracy of the panel is better than class 1.0
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Digital Temperature Indicator with input from thermocouple
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Digital Volt Meter with 5 ranges (200mV, 2V, 20V, 200V, 250V) to measure open circuit voltage & mV drop across MCB
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Digital Ammeter with CT (Indication on servo controller)
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Class 1 Accuracy
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Country of Origin
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Made in India
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Material
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Stainless Steel
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Brand
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Kwality Instruments
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Color
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Blue
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Type Of Testing Machines
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Powder Dynamometer
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Packaging Type
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Wooden Box
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Display Type
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Digital
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Usage/Application
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Laboratory
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