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AIRPAX / SENSATA 21946388050 Magnetic Circuit Protector

The AIRPAX/Sensata 209 series hydraulic magnetic circuit protectors combine power switching with reliable circuit protection in a compact, single or multi-pole unit. Designed for branch circuit applications, these protectors utilize the hydraulic-magnetic principle, adapting to local conditions and minimizing nuisance tripping due to temperature variations. They withstand high pulses without derating protection and are available with various configurations and terminal styles to meet diverse application needs. The 219 variant is suitable for manual controller applications, while the 229 is designed for supplementary protection. The 249 Power Selector Breaker System allows selection of multiple power systems, enhancing flexibility and reliability.

Authorized Distributors
Source:DigiKey
Part No:219-4-6388-050
Stock:0
Inv Date:06-09-2026
Price: Unit price: $463.8
Buy/RFQ:
Part No:219-4-6388-050
Stock:0
Inv Date:06-10-2026
Price: Unit price: $463.8
Buy/RFQ:
Part No:219-4-6388-050
Stock:0
Inv Date:06-09-2026
Price: Unit price: $570.32
Buy/RFQ:
Part No:219-4-6388-050
Stock:8
Inv Date:06-09-2026
Price: Unit price: $507.44
Buy/RFQ:
Part No:219-4-6388-050
Stock:8
Inv Date:06-09-2026
Price: Unit price: $507.44
Buy/RFQ:

AIRPAX / SENSATA 21946388050 Magnetic Circuit Protector Specifications:

  • Series: 209/219/229/249/279
  • Type: Hydraulic Magnetic Circuit Protector
  • Poles: 1-6
  • Terminal Styles: Screw terminals, stud, or solderless connectors
  • Configurations: Various
  • Delay: Standard inertial delay (50/60Hz)
  • Voltage Ratings: Up to 240Vac or 120Vdc
  • Current Ratings: Up to 100 amperes
  • Compliance: UL Standard 489, UL Standard 508, UL Standard 1077
  • Dimension A (1 pole): 1.026 ± .010 [26.06 ± 3.30]
  • Dimension A (2 poles): 2.072 [52.63] Max
  • Dimension A (3 poles): 3.108 [78.94] Max
  • Dimension A (4 poles): 4.144 [105.26] Max
  • Dimension A (5 poles): 5.180 [131.57] Max
  • Dimension A (6 poles): 6.216 [157.89] Max
  • Stud Length (10-32): .750 ±.062 [19.05 ±1.57]
  • Stud Length (1/4-20): .625 ±.062 [15.88 ±1.57]
  • Tolerance: ± .015 [.38] unless noted
  • Units: Dimensions in brackets [ ] are millimeters

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA 21946388050?

You can click on the BUY or RFQ button to purchase 21946388050 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part 21946388050?

You can download the 21946388050 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of 21946388050?

AIRPAX / SENSATA

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