TE Connectivity BH-494H-1 Three-Phase Contactor

Description:

The TE Connectivity BH-494H-1 Contactor is used in aircraft power distribution systems to switch high-current electrical loads using a 28 VDC control coil. Commonly installed in military and commercial aircraft, aerospace ground support equipment, avionics power systems, and 400 Hz electrical distribution networks requiring reliable three-pole switching. Maintenance teams, OEMs, and aerospace system integrators use this contactor for repair, retrofit, replacement, or power distribution system upgrades to ensure dependable high-current switching performance.

Applications:

The TE Connectivity BH-494H-1 Contactor is designed for high-current switching in aerospace and industrial power distribution systems. It is commonly used in aircraft electrical systems, ground support equipment, generator systems, and 400 Hz power applications requiring reliable contactor operation.

Technical Specifications:

• Manufacturer Part Number (MPN): BH-494H-1
• Product Type: Contactor
• Brand: TE Connectivity
• Series: HARTMAN BH Series
• Contact Configuration: 3PST Normally Open (3PST-NO)
• Coil Voltage: 28 VDC
• Operating Frequency: 400 Hz
• Current Rating: 300 A
• Contact Type: Normally Open
• Function: High-Current Power Switching
• Duty Cycle: Continuous Duty
• Mounting Type: Panel Mount
• Compatible Systems: Aircraft Electrical Systems and Industrial Power Distribution Equipment
• Installation Environment: Aerospace, Defense, and Industrial Applications

Common Replacements:

• TE Connectivity B-429A-1 Contactor
• TE Connectivity BP-494 Contactor
• TE Connectivity BR-301AY Contactor