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AIRPAX / SENSATA LELK11RS427129912 Magnetic Circuit Protector

The AIRPAX/Sensata LELK1-1RS4-27129-912 is a hydraulic magnetic circuit protector offering low-cost power switching, reliable circuit protection, and accurate circuit control for equipment in the international marketplace. These protectors are UL listed, CSA certified, and CCC Approved, meeting various industry standards. Available in single or multi-pole versions, they cater to diverse applications including polyphase circuits and single-phase three-wire systems. The auxiliary switch, offered with gold or silver contacts, enhances functionality for SELV and hazardous voltage applications.

Authorized Distributors
Source:Newark
Part No:LELK1-1RS4-27129-912
Stock:75
Inv Date:06-12-2026
Price: Unit price: $105.88
Buy/RFQ:
Source:DigiKey
Part No:LELK1-1RS4-27129-912
Stock:0
Inv Date:06-12-2026
Price: Unit price: $94.5867
Buy/RFQ:
Source:DigiKey
Part No:LELK1-1RS4-27129-912
Stock:75
Inv Date:06-12-2026
Price: Unit price: $100.99
Buy/RFQ:
Part No:LELK1-1RS4-27129-912
Stock:0
Inv Date:06-13-2026
Price: Unit price: $94.59
Buy/RFQ:
Part No:LELK1-1RS4-27129-912
Stock:0
Inv Date:06-12-2026
Price: Unit price: $174.47
Buy/RFQ:
Part No:LELK1-1RS4-27129-912
Stock:75
Inv Date:06-12-2026
Price: Unit price: $114.15
Buy/RFQ:
Part No:LELK1-1RS4-27129-912
Stock:75
Inv Date:06-12-2026
Price: Unit price: $114.15
Buy/RFQ:

AIRPAX / SENSATA LELK11RS427129912 Magnetic Circuit Protector Specifications:

  • Poles: 1
  • Configurations: Series, Series with auxiliary switch, Shunt, Relay
  • Ratings: DC and/or 50/60Hz or 400Hz versions
  • Terminal Types: Screw Stud, Clip Terminal, Bullet Terminal
  • Stud Thread Dimension: .510 ± .045
  • Dimension A: .652 ± .035
  • 1/4 -20 Dimension: .545 ± .045
  • Dimension B: .687 ± .035
  • M5 Dimension: .510 ± .045
  • 10-32 Dimension: .545 ± .045
  • Terminal Protrusion: ≤ .250
  • Screw Terminal: 10-32x.312 [7.92] or M5 x 8mm
  • Outer Terminal: Flatwasher, tooth lockwasher, hex nut
  • Stud Terminal: Flatwasher, external tooth lockwasher, 10-32 or M5 hex nut (<=70A)
  • Mounting Hole: 2X 6-32 THREAD .755
  • Mounting Hole Depth: .140 [3.56]
  • Tolerance: ± .015 [.39] unless noted
  • Dimensions in brackets: millimeters

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA LELK11RS427129912?

You can click on the BUY or RFQ button to purchase LELK11RS427129912 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part LELK11RS427129912?

You can download the LELK11RS427129912 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of LELK11RS427129912?

AIRPAX / SENSATA

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