A6T70 - 70 Amp Fuse Description
A6T70 - 70 Amp Fuse
The Mersen A6T70 Class T Fast-Acting Fuse is made for electrical systems that need quick, reliable protection when fault currents occur. Rated at 70 amps, this fuse helps protect equipment from overloads and short circuits before damage has a chance to spread through the system. It’s a practical choice for commercial and industrial applications where keeping equipment protected and minimizing downtime are both important.
One thing that makes the A6T70 popular is its compact Class T design. It delivers strong current-limiting protection without taking up much room inside a panel or switchboard. That can be especially helpful in tighter installations where space is limited. The fast-acting response also makes it well suited for protecting sensitive electrical components, including transformers, control panels, motor control centers, and power distribution equipment. Mersen built this fuse with a glass melamine body for dependable dimensional stability under normal operating conditions. The copper blade terminals provide solid electrical contact, and the bolted mounting style helps create a secure installation. Small details, like the permanently stamped catalog number on the blades, also make future maintenance and identification a little easier for electricians and technicians working in the field.
With a high interrupting rating of 200kA, the A6T70 is designed to handle demanding fault conditions commonly found in commercial and industrial power systems. Its Class T sizing also helps prevent the installation of lower-rated replacement fuses, helping maintain the intended level of circuit protection.
Key Features and Benefits
- Fast-acting protection against overloads and short circuits
- 70 amp Class T fuse for industrial and commercial systems
- Rated for 600VAC and 300VDC applications
- 200kA interrupting rating for high fault current protection
- Compact size helps conserve panel space
- Current-limiting design helps reduce equipment damage
- Glass melamine body provides dimensional stability
- Copper blade terminals support reliable conductivity
- Bolted mounting allows secure installation
- Permanent catalog markings help simplify maintenance
Technical Specifications
- Manufacturer Part Number: A6T70
- Product Series: A6T – Class T – Fast-Acting
- Fuse Class: Class T
- Ampere Rating: 70A
- Voltage Rating AC: 600VAC
- Voltage Rating DC: 300VDC
- Frequency: 50/60 Hz
- Fuse Type: Fast-Acting
- Interrupting Rating: 200kA AC
- Mounting Type: Bolted
- Terminal Type: Blade
- Terminal Material: Copper
- Body Material: GMG (Glass Melamine)
- Product Length: 74.9 mm
- Product Diameter: 20.8 mm
- Product Weight: 0.0472 kg
- UPC: 782001891404
Material Compliance and Certifications
- The A6T70 fuse is designed for low-voltage UL and CSA applications that require dependable overcurrent protection in commercial and industrial electrical systems.
- UL rated for 600VAC and 300VDC applications
- Designed for low-voltage UL/CSA fuse systems
- High current-limiting Class T fuse construction
- Copper terminals for dependable conductivity
- Glass melamine insulating body for thermal and mechanical stability
Where It Works Best
- Industrial control panels
- Power distribution systems
- Panelboards and switchboards
- Motor control centers
- Transformer protection circuits
- Manufacturing equipment
- Commercial electrical installations
- UPS and backup power systems
- Automation equipment
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Specifications
- Width:0.828
- Depth:0.828
- Height:2.953
- Amperes:70
- A.I.C. Rating & Volts:200 kA @ 600 V.AC
- Type:A6T
- Additional Notes:Knife-Blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse
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