OVERVIEW

Official designation: Allen-Bradley 1492-SP2C160 (Bulletin 1492-SP, Supplementary Protector/Circuit Breaker)

Role/Application: Two-pole thermal-magnetic device rated 16 A, providing reliable overload and short-circuit protection with C-curve characteristics for control panels and automation circuits.

KEY SPECS SUMMARY

Power: 480Y/277 V AC (US), 415 V AC (IEC)

Interfaces / Ports: Screw terminals, Two-pole configuration

Indicators: Refer to the latest manufacturer manual.

Operating Temp: Refer to the latest manufacturer manual.

Platform / Compatibility: DIN rail mountable, UL 1077, IEC 60947-2

Limit: 16 A Rated Current, 10 kA Interrupt Rating

Lifecycle: Active, Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum voltage rating for this two-pole supplementary protector?

A: The maximum US voltage rating is 480Y/277 V AC, and the maximum IEC rating is 415 V AC.

Wiring & Installation:

Q: What size copper wire can be accepted by the line and load screw terminals?

A: Both line and load side terminals accept copper wire from #16 AWG up to #4 AWG.

Troubleshooting & Compatibility:

Q: What is the instantaneous trip range associated with the C-trip characteristic?

A: The C-trip characteristic triggers instantaneous tripping at 5 to 10 times the 16 A rated current.

Replacement & Upgrades:

Q: Does the 1492-SP2C160 support field mountable accessory options?

A: Yes, the 1492-SP series supports various accessories, including auxiliary contacts and shunt trips.