Megger CB-832 Circuit Breaker and Overload Relay Test Set

• Measurements: Output current (0-500 A at 3.5 V, 0-25 A at 70 V, up to 1800 A instantaneous through 225 A breaker), time-delay characteristics (1 ms resolution), current transformer ratios, panelboard ammeter/voltmeter verification. 

• Functionality: Tests molded-case breakers (up to 225 A), thermal/magnetic overload relays (up to 500 A), ground-fault devices, digital memory ammeter (read-and-hold), multirange timer (crystal-controlled), solid-state output initiation, overload/short-circuit protection, three adjustable output ranges. 

• Design: Compact (dimensions not specified), 38 kg, heavy-duty Formica enclosure, carrying handles, removable hinged cover, 120/240 V input (50/60 Hz), test lead storage space. 

• User-Friendly: Portable, high-accuracy digital metering, solid-state circuitry eliminates contact maintenance, simple setup for field calibration (e.g., air conditioning systems), protective cover for transport/storage. 

• Complete Kit: CB-832, timer leads (1.5 m), current leads (No. 4 1.5 m, 4/0 1.2 m), input lead (4.5 m), ground lead (0.45 m), fuses (0.25/5 A), manual, one-year warranty.

The Megger CB-832 Circuit Breaker and Overload Relay Test Set is a portable, 38 kg, self-contained system for primary current injection testing of molded-case circuit breakers (up to 225 A), thermal/magnetic overload relays (up to 500 A), and ground-fault devices, delivering up to 1800 A instantaneous output through a 225 A breaker.

It features a digital memory ammeter, crystal-controlled multirange timer (1 ms resolution), and solid-state output initiation for high-accuracy testing, with three adjustable output ranges (0-500 A at 3.5 V, 0-25 A at 70 V) and overload/short-circuit protection. Housed in a heavy-duty Formica enclosure with a hinged cover and lead storage, it operates on 120/240 V (50/60 Hz).

Ideal for calibrating magnetic relays in air conditioning systems and verifying CT ratios, the kit includes the CB-832, timer/current/input/ground leads, fuses, manual, and a one-year warranty, suited for field and industrial applications.