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AIRPAX / SENSATA LELK11RS427129920 Magnetic Circuit Protector

The AIRPAX/Sensata LELK1-1RS4-27129-920 is a hydraulic magnetic circuit protector offering low-cost power switching, reliable circuit protection, and accurate circuit control for a wide range of equipment. These protectors are suitable for applications requiring compliance with international standards like UL, CSA, and IEC. Available in single and multi-pole configurations, they provide flexibility for diverse circuit protection needs, including polyphase circuits and single-phase three-wire systems. The auxiliary switch option allows for mixing SELV and hazardous voltages, enhancing safety and control in complex electrical systems.

Authorized Distributors
Source:Newark
Part No:LELK1-1RS4-27129-920
Stock:12
Inv Date:06-09-2026
Price: Unit price: $105.88
Buy/RFQ:
Source:DigiKey
Part No:LELK1-1RS4-27129-920
Stock:0
Inv Date:06-09-2026
Price: Unit price: $94.5867
Buy/RFQ:
Source:DigiKey
Part No:LELK1-1RS4-27129-920
Stock:12
Inv Date:06-09-2026
Price: Unit price: $100.99
Buy/RFQ:
Part No:LELK1-1RS4-27129-920
Stock:0
Inv Date:06-10-2026
Price: Unit price: $94.59
Buy/RFQ:
Part No:LELK1-1RS4-27129-920
Stock:0
Inv Date:06-09-2026
Price: Unit price: $174.47
Buy/RFQ:
Part No:LELK1-1RS4-27129-920
Stock:12
Inv Date:06-09-2026
Price: Unit price: $114.15
Buy/RFQ:
Part No:LELK1-1RS4-27129-920
Stock:12
Inv Date:06-09-2026
Price: Unit price: $114.15
Buy/RFQ:

AIRPAX / SENSATA LELK11RS427129920 Magnetic Circuit Protector Specifications:

  • Poles: 1
  • Configurations: Series, Series with auxiliary switch, Shunt, Relay
  • Ratings: DC and/or 50/60Hz or 400Hz versions
  • UL Listed: UL 489
  • CSA Certified: CSA C22.2–No. 235
  • VDE Approved: VDE 0660, part 101
  • IEC Compliant: IEC spacing requirements
  • Terminal Types: Screw Stud, Clip Terminal, Bullet Terminal
  • Stud Terminal Dimension A: 0.510 ± 0.045
  • Stud Terminal Dimension B: 0.652 ± 0.035
  • 1/4-20 Stud Terminal Dimension A: 0.545 ± 0.045
  • 1/4-20 Stud Terminal Dimension B: 0.687 ± 0.035
  • M5 Stud Terminal Dimension A: 0.510 ± 0.045
  • M5 Stud Terminal Dimension B: 0.652 ± 0.035
  • 10-32 Stud Terminal Dimension A: 0.545 ± 0.045
  • 10-32 Stud Terminal Dimension B: 0.687 ± 0.035
  • Tolerance: ± 0.015
  • Mounting Hole: .140 [3.56] deep
  • Panel Mounting Detail: 1.448 [36.78] 2.060 [52.32]
  • Terminal Protrusion: 0.281
  • Maximum Terminal Protrusion: 0.250

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA LELK11RS427129920?

You can click on the BUY or RFQ button to purchase LELK11RS427129920 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part LELK11RS427129920?

You can download the LELK11RS427129920 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of LELK11RS427129920?

AIRPAX / SENSATA

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