OVERVIEW

Official designation: Allen-Bradley 1492-H2RA511 (Bulletin 1492-H, Double Circuit Resistor Block)

Role/Application: A high-performance, finger-safe terminal block featuring a fixed carbon resistor to provide a specific resistance value within the wiring system, used for current limiting or signal termination.

KEY SPECS SUMMARY

Power: 600 V AC max

Interfaces / Ports: Screw connection, Double Circuit

Indicators: N/A

Operating Temp: Refer to the latest manufacturer manual.

Platform / Compatibility: 35 mm DIN Rail mount

Limit: 510 Ohm fixed resistance, 0.5 W

Lifecycle: Current Product

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the tolerance and wattage rating of the fixed carbon resistor inside this block?

A: The carbon fixed resistor has a tolerance of plus or minus 5 percent and a rating of 0.5 W.

Wiring & Installation:

Q: What is the maximum and minimum wire size accepted by the screw terminals on the 1492-H2RA511?

A: The terminal accepts copper wire sizes ranging from #30 AWG minimum to #12 AWG maximum.

Troubleshooting & Compatibility:

Q: What is the recommended tightening torque for the screw connection terminals on this block?

A: The recommended tightening torque is 3 pound-inches for secure and reliable wire clamping.

Replacement & Upgrades:

Q: Does the 1492-H2RA511 require an end closing plate when installed on a DIN rail?

A: Yes, an end closing plate is required for proper installation and finger-safe integrity.