OVERVIEW

Official designation: Fuji BB2ASC-005 (Circuit Breaker)

Role/Application: This 2-pole molded case circuit breaker (MCCB) is designed to provide overcurrent and short-circuit protection in low-voltage industrial and electrical distribution systems.

KEY SPECS SUMMARY

Power: Rated 690 V AC, 5 Amp

Interfaces / Ports: Screw terminals

Indicators: Trip position indicator (handle)

Operating Temp: Refer to the latest manufacturer manual.

Platform / Compatibility: DIN rail/Panel mountable

Limit: Breaking capacity varies by voltage

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the nominal breaking capacities (Icu) of this 5 Amp circuit breaker at common industrial voltages?

A: Breaking capacity is typically 2.5 kA at 240 V AC and 1.5 kA at 440 V AC.

Wiring & Installation:

Q: What are the typical dimensions of the 2-pole frame size for the BB2ASC series for panel design?

A: Dimensions are commonly W36 x H80 x D76 millimeters for the 2-pole frame size.

Troubleshooting & Compatibility:

Q: What is the primary function of a 2-pole circuit breaker in a three-phase system or power distribution?

A: A 2-pole breaker is typically used for protection in single-phase applications or for switching two lines of a three-phase system.

Replacement & Upgrades:

Q: Are there any accessories available for this circuit breaker model, such as auxiliary contacts or shunt trips?

A: Available accessories typically include auxiliary switches, alarm switches, and shunt trip devices.