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AIRPAX / SENSATA LELK113943320 Magnetic Circuit Protector

AIRPAX/Sensata's IAL/CEL/LEL series hydraulic 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 UL listed, CSA certified, and CCC approved, catering to a wide range of applications. Available in single, two, three, and four-pole configurations, they offer flexibility for diverse circuit requirements. The multi-pole units feature internally coupled trip mechanisms, ensuring simultaneous opening of all poles in case of a fault. The auxiliary switch, offered with gold or silver contacts, allows for mixing SELV and hazardous voltages, enhancing safety and versatility. These protectors are ideal for polyphase circuits, single-phase three-wire systems, and applications requiring reliable circuit protection and control.

Authorized Distributors
Source:Newark
Part No:LELK11-39433-20
Stock:4
Inv Date:06-08-2026
Price: Unit price: $195.48
Buy/RFQ:
Source:DigiKey
Part No:LELK11-39433-20
Stock:4
Inv Date:06-08-2026
Price: Unit price: $192.03
Buy/RFQ:
Part No:LELK11-39433-20
Stock:0
Inv Date:06-09-2026
Price: Unit price: $171.45
Buy/RFQ:
Part No:LELK11-39433-20
Stock:4
Inv Date:06-08-2026
Price: Unit price: $197.04
Buy/RFQ:
Part No:LELK11-39433-20
Stock:4
Inv Date:06-08-2026
Price: Unit price: $197.04
Buy/RFQ:

AIRPAX / SENSATA LELK113943320 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, Screw, Clip, Bullet
  • Stud Thread Dimension A: 0.510 ± 0.045
  • Stud Dimension B: 0.652 ± 0.035
  • 1/4-20 Thread Dimension A: 0.545 ± 0.045
  • 1/4-20 Dimension B: 0.687 ± 0.035
  • M5 Thread Dimension A: 0.510 ± 0.045
  • M5 Dimension B: 0.652 ± 0.035
  • 10-32 Thread 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] DEEP
  • Terminal Protrusion: .281
  • Max Terminal Protrusion: .250
  • Tolerance: ± .015 [.39] unless noted
  • Dimensions in brackets: millimeters

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA LELK113943320?

You can click on the BUY or RFQ button to purchase LELK113943320 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part LELK113943320?

You can download the LELK113943320 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of LELK113943320?

AIRPAX / SENSATA

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