OVERVIEW

Official designation: Allen-Bradley 1492-SPM2C200 (Bulletin 1492-SPM, Supplementary Protector)

Role/Application: Two-pole thermal-magnetic protector rated 20 A with C-curve characteristics, providing overcurrent protection for inductive and resistive loads in control and industrial automation systems.

KEY SPECS SUMMARY

Power: 480Y/277 V AC, 96 V DC

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

Indicators: Red ON/Green OFF flag indicator

Operating Temp: Minus 25 degrees C to 55 degrees C

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

Limit: 20 A Rated Current, 10 kA Interrupt Rating

Lifecycle: Active, Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the magnetic trip range for the 20 A C-curve supplementary protector?

A: The magnetic trip is activated instantaneously at 5 to 10 times the 20 A rated current.

Wiring & Installation:

Q: What is the maximum size of copper wire that can be terminated in the screw terminals?

A: The terminals accept up to 25 square millimeters (4 AWG) copper wire.

Troubleshooting & Compatibility:

Q: What is the rated mechanical lifespan of the 1492-SPM device?

A: The mechanical service life for the device is 20,000 operations.

Replacement & Upgrades:

Q: How many accessory modules can be mounted on a single 1492-SPM device?

A: A maximum of two accessory modules can be mounted on a single device.