OVERVIEW

Official designation: Allen-Bradley 1492-CB1G050 (Bulletin 1492-CB, Manual Motor Controller/Circuit Breaker)

Role/Application: Single-pole, DIN rail mountable protective device with thermal-magnetic G-trip curve (for inductive loads), providing supplementary overcurrent and short-circuit protection for equipment up to 5 Amps.

KEY SPECS SUMMARY

Power: 277 V AC, 65 V DC Max

Interfaces / Ports: Screw terminals, 16 to 4 AWG wire

Indicators: Contact state indicator window

Operating Temp: Minus 40 to 60 degrees C

Platform / Compatibility: 35 mm DIN rail, Series B or C

Limit: 5 Amps rated current

Lifecycle: Discontinued

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the short-circuit current rating (AIC) of the 1492-CB1G050 breaker?

A: The typical AIC rating is 10 kA at 125 V AC, varying by specific voltage and standard.

Wiring & Installation:

Q: What type of trip characteristic does the G-trip curve on this breaker represent?

A: The G-trip curve is designed for slightly inductive loads, such as solenoids and control instrumentation.

Troubleshooting & Compatibility:

Q: What is the maximum mechanical endurance or lifespan of the 1492-CB1G050?

A: The electromechanical lifespan of the circuit breaker is up to 50,000 cycles.

Replacement & Upgrades:

Q: Since the 1492-CB1G050 is discontinued, what is the recommended direct replacement?

A: Refer to the latest manufacturer manual for the specific modern Bulletin 1489 or 1492-SP equivalent.