MCCB-250 Molded Case Circuit Breaker Tester
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MCCB-250

Molded Case Circuit Breaker Tester

Part Number(s)
9066-UC [110V MCCB-250]
9067-UC [220V MCCB-250]
Download Links
MCCB-250 Datasheet (English)
Customer References
MCCB-250 User's Manual (English)

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
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
ENVIRONMENT Operating: -10C to 50 C (15F to +122 F); Storage: -30 C to 70 C (-22F 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 +25C (+77F).
Last updated on February 6, 2009