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AIRPAX / SENSATA AP12372203 Magnetic Circuit Protector

The Airpax AP series are fully sealed, magnetic circuit protectors designed to provide power switching and accurate, reliable circuit protection. Unlike thermal protectors, the AP maintains a consistent trip current across a wide temperature range. These protectors offer inverse time delays and a “trip-free” action, ensuring the circuit opens even when the handle is held in the ON position. They are suitable for communication, navigation, aircraft instrumentation, radar, and power supplies. The AP/UP series, with UL and CSA certifications, is available in single-pole units and offers an optional FM approval for petrochemical applications. AP-MIL protectors adhere to MIL-PRF-39019 standards and undergo rigorous testing for quality assurance.

Authorized Distributors
Source:DigiKey
Part No:AP12-3-72-203
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1268.61
Buy/RFQ:
Part No:AP12-3-72-203
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1268.61
Buy/RFQ:
Part No:AP12-3-72-203
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1949.96
Buy/RFQ:
Part No:AP12-3-72-203
Stock:6
Inv Date:06-09-2026
Price: Unit price: $1392.71
Buy/RFQ:
Part No:AP12-3-72-203
Stock:6
Inv Date:06-09-2026
Price: Unit price: $1392.71
Buy/RFQ:

AIRPAX / SENSATA AP12372203 Magnetic Circuit Protector Specifications:

  • Poles: 72
  • Configurations: 75
  • Operating Characteristics: 76
  • Delay Curves: 77
  • Salt Spray Testing: Per MIL-STD-202, Method 101, Test Condition B
  • Typical Applications: Communication, navigation, aircraft instrumentation, radar, power supplies
  • Voltage (DC): 50 volts
  • Current (DC): 20 amperes
  • Voltage (50/60Hz): 240 volts
  • Current (50/60Hz): 7.5 amperes
  • MIL Specification: MIL-PRF-39019
  • Panel Mounting Hole Depth: 0.075 inches
  • Maximum Panel Thickness: 0.156 inches
  • Mounting Screw Type: 6-32 panel seal screws

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA AP12372203?

You can click on the BUY or RFQ button to purchase AP12372203 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part AP12372203?

You can download the AP12372203 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of AP12372203?

AIRPAX / SENSATA

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