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ISO 9001 Certified


Vanguard Instruments Company, Inc., Electronic Testing Equipment, Ontario, CA
       

MCCB-250

Molded Case Circuit Breaker Tester

 
       
9066-UC [110V MCCB-250]
9067-UC [220V MCCB-250]

The Vanguard MCCB-250 is a programmable, high-current source designed specifically for testing molded-case circuit breakers, thermal magnetic and solid-state overload motor-protection relays.

  • 4 current-source outputs (i.e., 5 A @ 120 Vac, 25 A @ 24 Vac, 120 A @ 6 Vac, 250 A @ 3 Vac)
  • 4-line by 20-character LCD display
  • Provides external current input (0-10 A)
       

MCCB-250

Cables

 
       
       

MCCB-250

Technical Specifications

 
       
TYPE 250 Ampere current source
PHYSICAL SPECIFICATIONS 16.8”W x 12.6”H x 10.6”D (42.6 cm x 32.0 cm x 27.0 cm); Weight: 46 lbs (21 kg)
INPUT POWER 100 – 120 Vac or 200 – 240 Vac (factory pre-set), 50/60 Hz
OUTPUT CURRENTS 0 – 5 A @ 120 Vac max;
0 – 25 A @ 24 Vac max;
0 – 120 A @ 6 Vac max;
0 – 250 A @ 3 Vac max;
Instantaneous current: 700A
INTERNAL CURRENT METER 100 mA – 1000 A; Accuracy: 1% of reading ±20mA
MEASUREMENT METHOD Isolated CT
EXTERNAL METER RANGE 10 mA – 10 A; Accuracy: 1% of reading, ±2mA
MEASUREMENT METHOD Isolated CT
TIMER READING RANGE 1ms – 2 hours; Accuracy: 0.1% of reading ±1ms
TIMER STOP INPUTS Voltage input (24V – 300V, DC or peak AC), dry contact input, or removal of primary current
DISPLAY Back-lit LCD Screen (20 characters by 4 lines); viewable in bright sunlight and low-light levels
COMPUTER INTERFACE RS-232C port for factory calibration and diagnostics
SAFETY Designed to meet IEC61010 (1995), UL61010A-1, CSA-C22.2 standards
ENVIRONMENT Operating: -10˚C to 50˚ C (15˚F to +122˚ F); Storage: -30˚ C to 70˚ C (-22˚F to +158˚ F)
CABLES Power cord, ground cable, 10-foot #2 AWG test leads
OPTIONS Transportation case
WARRANTY One year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25˚C (+77˚F).
Last updated on February 6, 2009