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OVERVIEW
Official designation: Allen-Bradley 1492-SP3D040 (Bulletin 1492-SP, Supplementary Protector)
Role/Application: Three-pole thermal-magnetic supplementary protector rated 4 A, D-curve, for reliable overload and short-circuit protection of highly inductive loads in industrial control systems.
KEY SPECS SUMMARY
Power: 480Y/277 V AC (UL), 415 V AC (IEC)
Interfaces / Ports: Dual terminals, 2.4 N-m torque
Indicators: Red ON/Green OFF window
Operating Temp: Minus 25 degrees C to 55 degrees C
Platform / Compatibility: DIN rail mounting, UL 1077, IEC 60947-2
Limit: 4 A Rated Current, 10 kAIC Interrupt Rating
Lifecycle: Active, Refer to the latest manufacturer manual.
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the magnetic trip range for the 1492-SP3D040 D-curve at 4 A?
A: The instantaneous magnetic trip occurs between 10 to 20 times the 4 A rated current.
Wiring & Installation:
Q: What are the dual terminals features on the 1492-SP for wiring flexibility?
A: Dual terminals allow secure connection of two wires or a wire and a busbar.
Troubleshooting & Compatibility:
Q: What are the maximum number and type of field-mountable accessories for this device?
A: A maximum of two field-mountable accessory modules such as auxiliary or signal contacts.
Replacement & Upgrades:
Q: Is the 1492-SP3D040 considered current limiting for improved downstream protection?
A: Yes, the 1492-SP series features a current-limiting design for enhanced protection.
상품 정보 고시
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| Model Name | See this page for details |
| Certification or Licensing Information Required by Law | See this page for details |
| Country of Manufacture or Origin | See this page for details |
| Manufacturer | See this page for details |
| After-sales Service Contact or Customer Support Number | See this page for details |
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