Smiths Interconnect Offered HBB Series 300A and 500A High Power Circular Connectors for Harsh Environments
The HBB series of single pole high power 300A and 500A circular connectors from Smiths Interconnect offers a compact, lightweight, and ruggedized heavy duty connector designed for use in all types of harsh environment applications, including electric motor drives, military ground vehicle turret systems, rail transport, and industrial applications. Now assembled by Aerco, they are available with low MOQs and short lead times.
Ruggedized High Performance Circular Power Connectors for Harsh Environments.
Available in a RoHS compliant Black Zinc Nickel finish, the HBB delivers a more efficient, higher current transmission in a more compact and lighter connector and with a superior endurance of 5000 mating cycles. Design SWaP goals of delivering high power within a small size and minimal weight interconnect solution are realized with 300A delivery implemented in a size 17 shell and 500A delivery in a size 21 shell. The robust aluminum shell is available in three different shell polarizations, fully sealed to IP67 ingress protection and featuring 360° EMI/RFI shielding via a customer serviceable conductive ‘O’ ring, which is fitted as standard to receptacles.
The HBB series is rated for surge/inrush currents of 6kA for the 300A and 10kA for the 500A for 1 sec, making it suitable for deployment in applications like induction motors and power converters.
The tactile ‘push mate’ mating provides confirmation of a full mate preventing the “attached not locked” condition. The design facilitates easy mating and un-mating with a simple push to lock and 1/8 turn to unmate while in close proximity to neighboring devices, supporting applications where higher density packing is required in space-constrained environments. Safety protection includes a safety interlock last make, first break with finger protection on pin and socket contacts.
Compliant with the MIL-DTL-5015 specification for heavy-duty circular electrical connectors for harsh environments, the connectors feature the best electrical performance and high levels of shock and vibration immunity due to the use of Smiths Interconnect’s hyperboloid contact technology. The ultra-low resistance and smooth and light wiping action of the hyperboloid contacts results in low fretting fatigue/corrosion and long contact life with minimal degradation in performance. The hyperboloid contact design ensures this high degree of immunity to shock and vibration, guaranteeing electrical continuity in all circumstances. Contact resistance figures as low as 0.03mΩ keeps resistive losses and generated heat at a minimal, facilitating maximum transmission performance.
The plugs and receptacles are gender reversible, being available with either pin or socket contacts and they can be ordered with optional straight or right angle back shells. Accessories include crimp lugs, heat shrink boots, and additional O-rings.
The standard operational temperature range is -55℃ to +150℃, the voltage rating at sea level is 750vdc, and the dielectric withstand voltage at sea level is 2250vdc.
Target markets include military and commercial aerospace, including UAVs, military and commercial ground vehicles, industrial and oil & gas. Applications include electric motor drives, turret systems, military communications, mobile weapon, radar, battery, and intelligent power management systems.
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