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AIRPAX / SENSATA IULH1211REC4283511 Magnetic Circuit Protector

AIRPAX/Sensata IAL/CEL/LEL magnetic circuit protectors are designed to provide low-cost power switching, reliable circuit protection, and accurate circuit control for equipment in the international marketplace. Available in a wide variety of configurations, including series, series with auxiliary switch, shunt, and relay options, these protectors cater to diverse industrial applications. Multi-pole units feature internally coupled trip mechanisms, ensuring simultaneous opening of all poles in case of a fault, making them suitable for polyphase circuits and systems requiring coordinated protection. They meet various international standards and approvals, including UL, CSA, CCC, VDE, and IEC, ensuring compliance and safety in a wide range of environments.

Authorized Distributors
Source:Newark
Part No:IULH121-1REC4-28351-1
Stock:15
Inv Date:06-09-2026
Price: Unit price: $355.29
Buy/RFQ:
Source:DigiKey
Part No:IULH121-1REC4-28351-1
Stock:15
Inv Date:06-09-2026
Price: Unit price: $349
Buy/RFQ:
Part No:IULH121-1REC4-28351-1
Stock:0
Inv Date:06-09-2026
Price: Unit price: $311.6
Buy/RFQ:
Part No:IULH121-1REC4-28351-1
Stock:15
Inv Date:06-09-2026
Price: Unit price: $356.61
Buy/RFQ:
Part No:IULH121-1REC4-28351-1
Stock:15
Inv Date:06-09-2026
Price: Unit price: $356.61
Buy/RFQ:

AIRPAX / SENSATA IULH1211REC4283511 Magnetic Circuit Protector Specifications:

  • Poles: 1
  • Operating Characteristics: See datasheet
  • Delay Curves: See datasheet
  • Stud Terminal Thread Dimension A: 0.510 ± 0.045
  • Stud Terminal Thread Dimension B: 0.652 ± 0.035
  • 1/4 -20 Stud Terminal Thread Dimension A: 0.545 ± 0.045
  • 1/4 -20 Stud Terminal Thread Dimension B: 0.687 ± 0.035
  • M5 Stud Terminal Thread Dimension A: 0.510 ± 0.045
  • M5 Stud Terminal Thread Dimension B: 0.652 ± 0.035
  • 10-32 Stud Terminal Thread Dimension A: 0.545 ± 0.045
  • 10-32 Stud Terminal Thread Dimension B: 0.687 ± 0.035
  • Terminal Protrusion Dimensions: Referenced from back of mounting panel
  • Screw Terminal: Supplied with 10-32x.312 or M5 x 8mm screw, flatwasher, and external tooth lockwasher
  • Outer Terminal: Supplied with flatwasher, tooth lockwasher, and hex nut
  • Stud Terminals: Supplied with flatwasher, external tooth lockwasher, and 10-32 or M5 hex nut (<=70A)
  • Stud Terminals (LEL): Supplied with flatwasher, external tooth lockwasher, and 10-32 or M5 hex nut (<=50A)
  • Stud Terminals (High Current): Supplied with 1/4-20 or M6 hex nut (>70A)
  • Stud Terminals (LEL High Current): Supplied with 1/4-20 or M6 hex nut (>50A)

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Frequently Asked Questions

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AIRPAX / SENSATA

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