3ABP 100-R

Package / Case:	3AB, 3AG, 1/4" x 1-1/4" (Axial)
DC Cold Resistance:	12.5 Ohms
Size / Dimension:	0.272" Dia x 1.280" L (6.90mm x 32.50mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cURus
Melting I²t:	0.002
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Through Hole
Series:	3ABP
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	100mA
Fuse Type:	Cartridge, Ceramic
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction:

Fuses are a type of safety device used to protect electrical circuits, equipment, and components from being damaged by excessive current. The 3ABP 100-R is a miniature circuit breaker (MCB) with a rated current of 100A. This device is capable of disconnecting a circuit in the event of an overload or short circuit. It is a single-pole thermal-magnetic type circuit breaker with a push-to-reset (PTR) mechanism. It also has a manual trip button for manual tripping.

Application Field:

The 3ABP 100-R is used mainly in residential, commercial and industrial applications. It is suitable for protecting systems with direct or indirect short-circuits. It is also suitable for use in higher current applications, up to 100A, where an instantaneous trip is required. It is approved to various international safety standards, making it an ideal choice for installations in consumer and industrial areas.

Working Principle:

The 3ABP 100-R has two integrated protection mechanisms: thermal and magnetic. The thermal protection is triggered when a prolonged overload current or abnormal heat increases the temperature of the contact point. The magnetic protection is activated when an instantaneous overload current surpasses the current limit.In terms of thermal protection, the device has a heat sensitive element which is connected to the bimetal made from two dissimilar metals, which are designed to bend in response to increases in temperature. This causes the contact point to open and disconnect the circuit. The second protection mechanism is the electromagnetic. This operates in a similar way to the thermal protection but it responds to increase in current. The magnetic activity of the passing current triggers the closing of the contact point if the current remains too high for too long.

Conclusion:

The 3ABP 100-R is a highly effective and reliable circuit breaker which has been designed to provide protection against electrical overcurrents. It is suitable for a variety of applications and is approved to a number of international safety standards. The two-stage and responsive thermal and magnet protection mechanisms provide excellent protection against overload and short circuit conditions. This makes the 3ABP 100-R an ideal choice for residential, commercial, and industrial applications.

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