170M3906

Series:	*
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Square
Package / Case:	Rectangular, Blade

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I. Introduction

The 170M3906 is an electrical specialty fuse developed by Cooper Bussmann, Inc. It is a double-element thermal-magnetic circuit breaker designed for use in low-voltage industrial applications. It is suitable for current and temperature rating up to 70A and 125/150C, respectively.

II. Application Field

The Cooper Bussmann 170M3906 is primarily used in industrial applications where precise control over electrical parameters is required. It is suitable for a wide range of applications including motor control, HVAC systems, lighting, and instrumentation.The Cooper Bussmann 170M3906 is well-suited for use in hazardous locations where its double-element design makes it easier to meet NEC requirements for maximum short-circuit current and disruption time.Its arc-suppression properties make it well-suited for applications that require a high degree of securitization or for applications where the negative effects of high fault currents or arc faults must be minimized.

III. Working Principle

The Cooper Bussmann 170M3906 is a double-element thermal-magnetic circuit breaker. The thermal-magnetic element controls the current-protecting device\'s response to both normal and fault currents. As the current increases, the thermal-magnetic element\'s response time decreases, thereby limiting the amount of energy released during a fault event.For normal current protection applications, the device\'s response time will decrease as temperatures rise or current loads decrease, thereby allowing the device to respond quicker to potentially hazardous situations.As a double-element design, the Cooper Bussmann 170M3906 also operates statically, allowing it to react quickly to fault conditions without the need for movement. This reduces the likelihood of false trips caused by long-term overloads or low-level induced currents.

IV. Conclusion

The Cooper Bussmann 170M3906 is a versatile double-element thermal-magnetic circuit breaker suitable for a wide range of industrial applications. Its arc-suppression properties, high-current rating, and fast response time make it an ideal choice for hazardous locations as well as applications that require a high level of safety and reliability.

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