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AIRPAX / SENSATA IULHK121RS4277592 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. These protectors are available in a wide variety of configurations, including series, series with auxiliary switch, shunt, and relay options, catering to diverse industrial needs. They are UL listed, CSA certified, and CCC approved, ensuring compliance with industry standards. Multi-pole units feature internally coupled trip mechanisms, opening all poles simultaneously in case of a fault, making them ideal for polyphase circuits and applications requiring coordinated protection.

Authorized Distributors
Source:Newark
Part No:IULHK12-1RS4-27759-2
Stock:3
Inv Date:06-08-2026
Price: Unit price: $262.86
Buy/RFQ:
Source:DigiKey
Part No:IULHK12-1RS4-27759-2
Stock:3
Inv Date:06-08-2026
Price: Unit price: $230.537
Buy/RFQ:
Source:DigiKey
Part No:IULHK12-1RS4-27759-2
Stock:3
Inv Date:06-08-2026
Price: Unit price: $258.21
Buy/RFQ:
Part No:IULHK12-1RS4-27759-2
Stock:0
Inv Date:06-09-2026
Price: Unit price: $230.54
Buy/RFQ:
Part No:IULHK12-1RS4-27759-2
Stock:0
Inv Date:06-08-2026
Price: Unit price: $425.23
Buy/RFQ:
Part No:IULHK12-1RS4-27759-2
Stock:3
Inv Date:06-08-2026
Price: Unit price: $279.41
Buy/RFQ:
Part No:IULHK12-1RS4-27759-2
Stock:3
Inv Date:06-08-2026
Price: Unit price: $279.41
Buy/RFQ:

AIRPAX / SENSATA IULHK121RS4277592 Magnetic Circuit Protector Specifications:

  • Poles: 1
  • Operating Characteristics: See datasheet
  • Standards: UL 489, CSA certified, CCC Approved, IEC 601, VDE 0660, UL 1077
  • Terminal Types: Screw Stud, Bullet
  • Stud Thread Dimension A: 0.510 ± 0.045
  • Stud Thread Dimension B: 0.652 ± 0.035
  • 1/4-20 Dimension A: 0.545 ± 0.045
  • 1/4-20 Dimension B: 0.687 ± 0.035
  • M5 Dimension A: 0.510 ± 0.045
  • M5 Dimension B: 0.652 ± 0.035
  • 10-32 Dimension A: 0.545 ± 0.045
  • 10-32 Dimension B: 0.687 ± 0.035
  • Mounting Hole: 2X 6-32 THREAD .755
  • Mounting Hole Depth: .140 [3.56]
  • Terminal Protrusion: .281
  • Maximum Terminal Protrusion: .250
  • Dimensions (ON): 1.940 [49.28]
  • Dimensions (OFF): 1.859 .690 [47.22] [17.53]

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA IULHK121RS4277592?

You can click on the BUY or RFQ button to purchase IULHK121RS4277592 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part IULHK121RS4277592?

You can download the IULHK121RS4277592 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of IULHK121RS4277592?

AIRPAX / SENSATA

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