Product Overview
The A70P1600-4TA is a high-speed semiconductor protection fuse from Mersen's Amp-Trap® series, specifically designed for industrial automation and PLC systems requiring robust protection for sensitive electronic components.
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Technical Specifications
| Parameter | Specification |
| Rated Current | 1600A |
| AC Voltage Rating | 700V |
| DC Voltage Rating | 650V |
| Terminal Type | Bolted Blade |
| Terminal Material | Silver-Plated Copper |
| Indication System | TA Indicator |
| Mounting Type | Bolted |
| Max Operating Temperature | 80°C |
| Series | Amp-Trap® A70P |
Key Features and Benefits
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High-Speed Protection: Ultra-rapid response time for semiconductor device protection
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Current Limiting: Effectively limits peak let-through current during fault conditions
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TA Indicator: Visual blown fuse indication for easy maintenance
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Silver-Plated Terminals: Enhanced conductivity and corrosion resistance
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Industrial Grade: Designed for harsh industrial environments
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Applications in Industrial Automation
The A70P1600-4TA is specifically designed for:
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PLC Systems: Protection of programmable logic controllers and associated power supplies
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AC/DC Drives: Semiconductor protection in variable frequency drives
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UPS Systems: Uninterruptible power supply protection
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Inverters: Power conversion equipment protection
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Reduced Voltage Motor Starters: Motor control circuit protection
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Industrial Power Distribution: High-current circuit protection
Performance Comparison
| Feature | A70P1600-4TA | Standard Fuses |
| Response Time | Ultra-fast (milliseconds) | Slow (seconds) |
| Current Limiting | Excellent | Limited |
| I²t Let-Through | Very Low | High |
| Semiconductor Protection | Optimized | Basic |
| Industrial Applications | Specialized | General Purpose |
Installation and Maintenance
For detailed installation procedures and maintenance guidelines, refer to the product documentation and ensure proper torque specifications for bolted connections.
Video demonstration: A70P1600-4TA Installation Video
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Frequently Asked Questions
What is the primary application of the A70P1600-4TA fuse?
The A70P1600-4TA is specifically designed for semiconductor protection in industrial applications including AC/DC drives, UPS systems, inverters, and PLC power circuits operating at 700VAC or 650VDC maximum.
How does the TA indicator work?
The TA (Trip Alarm) indicator provides visual confirmation when the fuse has blown, allowing maintenance personnel to quickly identify and replace faulty fuses without extensive testing.
What makes this fuse suitable for PLC protection?
Its high-speed operation and current-limiting characteristics protect sensitive PLC components from damaging overcurrent conditions, ensuring system reliability and minimizing downtime.
Can this fuse be used in DC applications?
Yes, the A70P1600-4TA is rated for both AC (700V) and DC (650V) applications, making it versatile for various industrial power systems.
What is the expected lifespan of this fuse?
Under normal operating conditions and within specified ratings, the fuse provides reliable long-term protection. Lifespan depends on operating environment, load conditions, and frequency of fault events.
Industry Standards and Certifications
The A70P1600-4TA complies with relevant industrial standards for semiconductor protection fuses and is manufactured by Mersen, a globally recognized leader in electrical protection solutions.
For technical specifications, application notes, and detailed performance data, consult the manufacturer's documentation and ensure compliance with local electrical codes and standards.
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