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PolySwitch Mini-Terminal Bladed Device For Automotive Applications

01/14/2009

The PolySwitch BD280 bladed device offers resettable overcurrent protection for automotive applications that use 12V battery systems. Some applications that use 12V battery systems are harness wire, outlets, electric motors, and automotive & heavy truck circuit protection.

Product Features
  • Directly replaces mini-sized automotive fuses and Type I or Type II bimetal breakers
  • No cycling into short or overload conditions
  • No contacts to arc, erode or weld together improves reliability
  • Virtually constant performance across voltage range of 4V to 14V
  • Probe points facilitate diagnostics and faultfinding
  • Low thermal derating permits use in under hood applications
 Applications
  • Automotive and Heavy Trucks Circuits
  • Wiring Harness Protection
  • 12V Power Outlets
  • Intermittent Duty Circuits
  • DC Motor Circuits

Documentation & Additional Information

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The PolySwitch BD280 mini-terminal bladed device is suitable for one-to-one replacement of plug-in automotive mini fuses and bimetal circuit breakers. The device offers a no-moving-parts design, and a resistance switching action that immediately latches following an overcurrent event.

The solid-state design of the PolySwitch device, as opposed to the multi-part mechanical design of the bimetal device, provides significant advantages in automotive applications. The devices' resettable functionality, high resistance to shock, vibration and rough handling, lower surface temperature and power dissipation, and flatter thermal derating can help vehicle manufacturers reduce warranty repair costs and improve user satisfaction. Suitable for use in North American trucks, utility or off-road vehicles and worldwide passenger cars utilizing 12V battery systems, the resettable device helps prevent damage caused by overloads and short circuits.

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