1492-CB1-G030 Allen-Bradley 3A 1-Pole Miniature Circuit Breaker G-Curve 277VAC DIN Rail

Description:

• Genuine Allen-Bradley miniature circuit breaker for industrial control panels and equipment protection
• Provides 1-pole, 3 Amp overcurrent protection for AC and DC control circuits
• G-Curve trip characteristic designed for inductive loads with moderate to high inrush current, making it ideal for motors, transformers, solenoids, and contactors
• Rated for 277 VAC and 65 VDC operation
• Functions as a manual motor controller, supplementary protector, and miniature circuit breaker, depending on the application and installation
• Thermal-magnetic trip mechanism provides dependable overload and short-circuit protection
• Compact 35 mm DIN rail mounting simplifies installation in industrial control panels
• Finger-safe housing enhances operator safety during installation and maintenance
• Ideal for industrial automation, machine building, OEM equipment, motor control, and electrical distribution systems
• Discontinued by Rockwell Automation; commonly used for replacement and maintenance of legacy control panels.

Specifications:

• Manufacturer Name: Allen-Bradley (Rockwell Automation)
• Part Number (MPN): 1492-CB1-G030
• Product Series: Bulletin 1492-CB
• Product Type: Miniature Circuit Breaker / Manual Motor Controller / Supplementary Protector
• Number of Poles: 1
• Rated Current: 3 A
• Trip Curve: G
• Trip Characteristic: 6–10 × Rated Current (Inductive Loads)
• Rated AC Voltage: 277 VAC
• Rated DC Voltage: 65 VDC
• Frequency: 50/60 Hz
• Mounting Type: 35 mm DIN Rail
• Protection Type: Thermal-Magnetic
• Interrupt Rating:
  • 5 kA @ 277 VAC (Manual Motor Controller)
  • 3 kA @ 277 VAC (Supplementary Protector without fuse)
  • 10 kA @ 277 VAC (with Class H series fuse)
• Operating Temperature: -20°C to +60°C
• Storage Temperature: -20°C to +85°C
• Housing Material: Melamine-Phenolic
• Certifications:
  • UL 508
  • UL 1077
  • CSA
  • IEC/VDE
• Applications:
  • Industrial Control Panels
  • Motor Protection
  • Branch Circuit Protection
  • Machine Automation
  • OEM Equipment
  • Electrical Distribution

Dimensions:

• Height: 89 mm (3.5 in)
• Width: 17.8 mm (0.7 in)
• Depth: 71 mm (2.8 in)

Weight:

• Approximate Weight: 0.10 kg (0.22 lb).