MCCB-500 Molded Case Circuit Breaker Tester
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MCCB-500

Molded Case Circuit Breaker Tester

9107-UC [110V MCCB-500]
9108-UC [220V MCCB-500]

The Vanguard MCCB-500 is a microprocessor-based high current circuit breaker test set. This unit provides a variable high current source, control, metering, and timing circuitries for testing overload relays and thermal and magnetic circuit breakers.

  • 3 current-source outputs: 500A @ 4 Vac, 125A @ 14Vac, and 25A @ 70Vac
  • Built-in current meter
  • Built-in timer
       

MCCB-500

Cables

 
       
       

MCCB-500

Technical Specifications

 
       
TYPE Molded case circuit breaker tester
PHYSICAL SPECIFICATIONS Dimensions: 16”W x 14”H x 13” D (40.6 cm x 35.5 cm x 33 cm)
Weight: 93 lbs. (42.2 Kg)
INPUT POWER 100 – 120 Vac or 200 – 240 Vac (factory-pre-set), 50/60 Hz
INTERNAL CURRENT METER 1 A – 3,000A; accuracy: 1% of reading, ±2 digits
MEASUREMENT METHOD Isolated CT
TIMER STOP INPUTS Voltage input (20V – 300V, dc or peak ac), dry contact input, or removal of test current
TIMER READING RANGE 0.1ms – 2 hours (also displayed in cycles); accuracy: 0.1% of reading, ±0.1ms
OUTPUT CURRENTS 500A @ 4V, 125A  @ 14V, 25A @ 70V
DISPLAY Back-lit LCD screen (128 x 64 pixels); viewable in bright sunlight and low light levels
SAFETY
HUMIDITY 90% RH @ 40°C (104°F) non-condensing
TEMPERATURE Operating: -10°C to +50°C (+15°F to +122°F)
Storage: -30°C to +70°C (-22°F to +158°F)
ALTITUDE 2,000 m (6,562 ft) to full safety specifications
CABLES Two 5-foot (1.5m) #2/0 current cables, two 8-foot (2.5m) external timer input cables with alligator clips, one ground cable, one power cord
FURNISHED ACCESSORIES Shipping case
WARRANTY One year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25?C (+77?F).