170M5388/PC72UD13C250T 3AUA0000090404 Fast Acting Fuse , China 170M5388/PC72UD13C250T 3AUA0000090404 Fast Acting Fuse Manufacturers, Suppliers, Factory

Overview

Place of Origin:	Sweden
Brand Name:	ABB
Model Number:	170M5388/PC72UD13C250T 3AUA0000090404
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Quick Detail

Model:	170M5388/PC72UD13C250T 3AUA0000090404
Description:	Fast Acting Fuse
Voltage Rating:	690V AC
Current Rating:	630A
Rated Current:	250A
Break Capacity:	250 kA at 690V
Protection Class:	Class 0.5
Operating Temperature Range:	-5°C to +40°C
Insulation Material:	Polyamide 6.6
Installation Type:	Surface or panel mount
Dimensions:	7.5x6x7.5 cm, space-saving design
Weight:	0.74 kg
Standards Compliance:	IEC 60269-4 / UL Recognized
Energy-Limiting Design:	Optimized low energy, fast fuse
Terminal Type:	Flush End (flat/recessed)
Mechanical Features:	Screw mounting, IP20 protection

Description

The ABB 170M5388/PC72UD13C250T 3AUA0000090404 Fast Acting Fuse offers reliable protection for circuits with high precision. Designed for use with a 690V AC power supply, it ensures fast interruption of high current, safeguarding electrical systems. This fuse is ideal for a variety of applications, including industrial machinery, power distribution, and control panels. Its high break capacity makes it essential for protecting sensitive circuits from damaging overloads and short circuits.

Applications

Heavy Industry/Steel Plants: Used in variable frequency speed control systems for hot and cold rolling production lines, protecting large motor drives.

Oil and Gas Bases: Provides explosion-proof current overload protection in variable frequency control cabinets for drilling platforms and oil pumping stations.

Paper and Pulp Mills: Ensures stable operation of the inverter in high-speed paper machine drive systems under environments with frequent power grid fluctuations.

Water Treatment Plants: Protects water supply/treatment from interruptions caused by damage to the core inverter module in large pumping stations and wind turbine drive systems.

Wind Power Plants: Serves as a core protection component for wind power converters.

Competitive Advantage

The ABB 170M5388/PC72UD13C250T 3AUA0000090404 Fast Acting Fuse ensures efficient circuit protection by quickly responding to fault conditions. Its fast-acting nature reduces the risk of system damage by minimizing the impact of electrical faults. With a high break capacity of 250 kA, this fuse can handle extreme conditions, making it perfect for heavy-duty applications. Its compact design allows for easy installation in tight Spaces, while its polyamide 6.6 insulation provides enhanced durability.

More information

Q1: What role does the 170M5388 fast-acting fuse play in the inverter safety system?

A: The 170M5388 is the "last line of defense" for inverter hardware protection. It is specifically designed to protect semiconductor devices that are extremely sensitive to current, such as IGBTs (Insulated Gate Bipolar Transistors). In the event of a DC-side short circuit or a severe rectifier bridge failure, this fuse can cut off the circuit within milliseconds (ms), releasing energy and generating a high arc voltage, thereby preventing expensive power modules from exploding or causing electrical fires, ensuring the safety of industrial systems.

Q2: What is the troubleshooting mechanism for frequent fuse blowouts of the 170M5388?

A: If frequent blowouts of fuse 3AUA0000090404 occur on-site, the maintenance engineer should perform the following troubleshooting procedures:

Identify the fault type: Check the fuse indicator (Visual Indicator). If the indicator pops up, it indicates that the current exceeds its breaking capacity.

Load short circuit troubleshooting: Use a megohmmeter to check for short circuits between windings or grounding faults in the motor at the inverter output.

Power grid quality monitoring: Detect for severe instantaneous surge voltages at the input.

Selection verification: Confirm whether the operating current is consistently at the critical point of the fuse's rated current (250A). Prolonged high-temperature operation can cause the fuse's characteristics to drift.

Replacement Recommendation: When replacing, ensure the contact surfaces are clean and the specified tightening torque is reached. Excessive contact resistance and heat generation are common causes of "false fuse blowouts."

Q3: How do the functional advantages of the 170M5388 translate into production assurance?

A: Ultra-low energy release: Minimal energy release during fusion ensures that fault current is interrupted before damaging sensitive electronic components.

Low power consumption design: Optimized conductive materials reduce heat generation during operation, improving temperature control efficiency within the electrical cabinet.

With visual indicator/microswitch adapter: Supports remote status monitoring. Once a fuse blows, the control system immediately receives a signal and cuts off the front-end power supply to prevent the fault from escalating.

Q4: How does the 3AUA0000090404 fuse work?

A: Its core principle is the instantaneous vaporization of the silver fusible element under high short-circuit current: Current limiting function: When the fault current increases, the precision silver sheet inside the fuse heats up rapidly.

Arc extinguishing mechanism: The extremely high-purity quartz sand filling the molten core rapidly cools the electric arc and absorbs its energy.

Physical circuit breaking: The circuit is permanently physically isolated. Because it is a "fast-fusing type," its response speed is far faster than traditional circuit breakers, enabling sub-microsecond protection at the semiconductor level.