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AIRPAX / SENSATA M556296031 Three Pole Circuit Breaker

The AIRPAX / SENSATA M55629/6-031 is a robust three-pole magnetic circuit breaker designed for critical applications within the Department of Defense and other industrial settings. This circuit breaker is built to MIL-PRF-55629/6G standards, ensuring reliable performance and safety. It incorporates auxiliary contacts for added functionality and is capable of interrupting high-current circuits, making it suitable for protecting sensitive equipment and systems. The breaker's design includes features like high inrush capabilities and specific tripping-time delays, catering to diverse operational needs. Physical item marking of the words “LOAD” and “CB CONT OPEN” is optional.

Authorized Distributors
Source:Newark
Part No:M55629/6-031
Stock:2
Inv Date:06-09-2026
Price: Unit price: $399.09
Buy/RFQ:
Part No:M55629/6-031
Stock:2
Inv Date:06-09-2026
Price: Unit price: $358.21
Buy/RFQ:
Part No:M55629/6-031
Stock:2
Inv Date:06-09-2026
Price: Unit price: $358.21
Buy/RFQ:

AIRPAX / SENSATA M556296031 Three Pole Circuit Breaker Specifications:

  • Ltr_A_Min: 0.149
  • Ltr_A_Max: 0.211
  • Ltr_B_Min: 1.420
  • Ltr_B_Max: 1.470
  • Ltr_C_Min: 0.359
  • Ltr_C_Max: 0.391
  • Ltr_D_Min: 0.719
  • Ltr_D_Max: 0.781
  • Ltr_E_Min: 2.046
  • Ltr_E_Max: 2.078
  • Ltr_F_Max: 2.530
  • Ltr_G_Min: 0.187
  • Ltr_G_Max: 0.249
  • Ltr_H_Min: 0.109
  • Ltr_H_Max: 0.171
  • Ltr_J_Min: 0.249
  • Ltr_J_Max: 0.311
  • Ltr_K_Min: 1.660
  • Ltr_K_Max: 1.960
  • Ltr_L_Max_R: 0.427
  • Ltr_M_Min: 0.519
  • Ltr_M_Max: 0.699
  • Ltr_N_Max: 2.800
  • Ltr_P_Max: 2.340
  • Ltr_R_Min: 2.000
  • Ltr_R_Max: 2.040
  • Ltr_S_Max: 2.553
  • Ltr_T_Min: 2.205
  • Ltr_T_Max: 2.285
  • tolerance: .031 (0.79 mm)
  • nut_hex: .190 - 32 UNF-2B
  • nut_hex_across_flats: .313/.303
  • nut_hex_thick: .109 .010
  • captive_washer_nut_assembly: brass nut, bronze washer, tin plated; or lockwasher, internal or external tooth
  • washer_flat_OD: .378/.368
  • washer_flat_ID: .204/.190
  • washer_flat_thick: .032 .005
  • auxiliary_contact_capacity: 10 amperes at 250 volts 60/400 Hz and 2 amperes resistive, 1 ampere inductive to 50 V dc
  • actuator_strength: 25 pounds
  • actuator_operating_force: 8 pounds, maximum
  • terminal_strength_load: 30 pounds
  • terminal_strength_torque: 22 inch-pounds
  • interrupting_capacities_dc: 2,000 amperes at 50 V dc
  • interrupting_capacities_ac_60hz: 2,000 amperes at 120 V ac, 60 Hz
  • interrupting_capacities_ac_400hz: 1,500 amperes at 120 V ac, 400 Hz
  • interrupting_capacities_ac_240hz: 1,000 amperes at 240 V ac, 60 and 400 Hz

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Frequently Asked Questions

Where can I buy AIRPAX / SENSATA M556296031?

You can click on the BUY or RFQ button to purchase M556296031 from an authorized AIRPAX / SENSATA distributor.

How do I troubleshoot issues or seek technical support for part M556296031?

You can download the M556296031 datasheet or visit the AIRPAX / SENSATA website for support.

Who is the manufacturer of M556296031?

AIRPAX / SENSATA

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