OVERVIEW

Official designation: Allen-Bradley 1492-SP1C010 (Bulletin 1492-SP, Supplementary Protector/Miniature Circuit Breaker)

Role/Application: Single-pole thermal-magnetic supplementary protector rated for 1 amp; designed for precise overcurrent protection in control circuits and system components; utilizes a C-Trip curve.

KEY SPECS SUMMARY

Power: 277 V AC (UL), 240/415 V AC (IEC)

Interfaces / Ports: Screw terminals, 1 pole

Indicators: Indicator window (red ON/green OFF)

Operating Temp: Minus 25 degrees C to plus 55 degrees C

Platform / Compatibility: 35 mm DIN Rail mount

Limit: 1 A rated current, 10 kA interrupting capacity

Lifecycle: Current Product

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the rated DC voltage and the thermal-magnetic trip curve type?

A: The DC voltage rating is 48 V DC, and the protector utilizes a C-Trip curve.

Wiring & Installation:

Q: What is the maximum cross-section for the conductor and the required terminal torque?

A: The maximum conductor size is #4 AWG copper wire with a required tightening torque of 2.5 Newton-meters.

Troubleshooting & Compatibility:

Q: What is the magnetic trip current range for this 1 A rated C-Trip device?

A: The magnetic trip range is between 5 and 10 times the rated current, or 5 A to 10 A.

Replacement & Upgrades:

Q: What are the core dimensions of the single-pole supplementary protector for panel space planning?

A: The dimensions are 88 mm high, 69 mm deep, and 17.5 mm wide.