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AIRPAX / SENSATA AP112142203 Magnetic Circuit Protector

The Airpax AP series are fully sealed, magnetic circuit protectors designed to combine power switching with accurate and reliable circuit protection. These protectors offer inverse time delays and a trip-free feature, ensuring the circuit opens even when the handle is held in the ON position. Available in DC, 50/60Hz, or 400Hz versions, they cater to a wide range of application requirements. Typical applications include communication, navigation, aircraft instrumentation, radar, and power supplies. The AP-MIL protectors, produced to MIL-PRF-39019, undergo rigorous testing to maintain their Qualified Products Listing (QPL). Multi-pole units offer flexible configurations, such as series, shunt, and relay combinations, providing tailored protection for various circuits.

Authorized Distributors
Source:DigiKey
Part No:AP112-1-42-203
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1455.81
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Part No:AP112-1-42-203
Stock:0
Inv Date:06-13-2026
Price: Unit price: $1455.81
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Part No:AP112-1-42-203
Stock:0
Inv Date:06-12-2026
Price: Unit price: $2062.4
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Part No:AP112-1-42-203
Stock:40
Inv Date:06-12-2026
Price: Unit price: $1487.64
Buy/RFQ:
Part No:AP112-1-42-203
Stock:40
Inv Date:06-12-2026
Price: Unit price: $1487.64
Buy/RFQ:

AIRPAX / SENSATA AP112142203 Magnetic Circuit Protector Specifications:

  • Poles: 72
  • Configurations: 75
  • Operating Characteristics: 76
  • Delay Curves: 77
  • Salt Spray Testing: MIL-STD-202, Method 101, Test Condition B
  • Typical Applications: Communication, navigation, aircraft instrumentation, radar, power supplies
  • Panel Mounting Detail Tolerance: ±.005 [.13]
  • Maximum Panel Thickness: .156 [3.96]
  • Threaded Inserts: 6-32
  • Mounting Detail: Three point panel mount
  • Bushing Mount: Recommended for shock and vibration levels
  • MIL-PRF: MIL-PRF-39019
  • AP12 Description: Two independent series trip protectors, each with its own rating and delay characteristics.
  • AP112 Description: Three circuits simultaneously protected; all poles trip in the presence of an overload on any circuit.

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA AP112142203?

You can click on the BUY or RFQ button to purchase AP112142203 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part AP112142203?

You can download the AP112142203 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of AP112142203?

AIRPAX / SENSATA

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