OVERVIEW

Official designation: Allen-Bradley 1492-SP2D160 (Bulletin 1492-SP, Supplementary Protector)

Role/Application: Two-pole thermal-magnetic supplementary protector with a 16 A continuous current rating and D-curve trip characteristics for reliable overload and short-circuit protection in control circuits.

KEY SPECS SUMMARY

Power: 480Y/277 V AC (UL), 400 V AC (IEC), 96 V DC

Interfaces / Ports: Dual terminals, Screw termination, 2.8 N-m torque

Indicators: Red ON/Green OFF contact status flag

Operating Temp: Minus 25 degrees C to 55 degrees C

Platform / Compatibility: DIN rail mounting, 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 instantaneous magnetic trip range for the 16 A D-curve protector?

A: D-curve protectors trip instantaneously at 10 to 20 times the 16 A rated current.

Wiring & Installation:

Q: What is the recommended terminal tightening torque for the screw connections?

A: The recommended tightening torque for the screw terminals is 2.8 N-m.

Troubleshooting & Compatibility:

Q: What types of loads are the D-curve protectors typically used to protect?

A: D-curve protectors are used for high inrush current loads like transformers and motors.

Replacement & Upgrades:

Q: Does the 1492-SP series offer enhanced protection for downstream components?

A: Yes, the 1492-SP series utilizes an energy limiting design.