Product Description
48V flat blade fuse for electric lift truck applications, featuring 2500A interrupting rating, bolt-down mounting, thermoplastic housing, and UL 248 recognition. Mount with 90 in-lb torque to M5 bolts. Suitable for hazardous operations and supported by RoHS environmental compliance.
Specifications
Electrical
| Voltage Rating | 48 VAC/DC nominal |
| Interrupting Rating | 2500 A at 48 VAC/DC |
| Ampere Rating Range | 10 A to 800 A (refer to application) |
| Approvals | UL 248 Recognized (File E71611) |
Material & Construction
| Environmental Compliance | RoHS Compliant |
Frequently Asked Questions
Q: What is the voltage rating for the TA 79-823-11 fuse?
A: The TA 79-823-11 is rated for 48 VAC or 48 VDC nominal voltage. This fuse is designed for high-voltage electric lift truck systems and material handling equipment. Do not use this fuse in 24V or 12V systems.
Q: What is the interrupting rating and ampere range for TA 79-823-11?
A: The TA 79-823-11 has a 2500A interrupting rating at 48 VAC/DC. The fuse is available in ampere ratings from 10A to 800A depending on your specific application. Select the correct amperage for your circuit; oversized fuses provide inadequate protection, while undersized fuses cause nuisance trips.
Q: What mounting type and torque specification does this fuse require?
A: The TA 79-823-11 uses bolt-down mounting with M5 bolts. Torque specifications require 90 in-lb (approximately 10 Nm) for M5 fasteners. Proper torque ensures consistent electrical contact and prevents connection failures.
Q: What certifications does the TA 79-823-11 hold?
A: The TA 79-823-11 is UL 248 Recognized (File E71611) and RoHS Compliant. The thermoplastic housing provides electrical isolation and flame resistance. UL 248 certification ensures the fuse meets critical safety and performance standards for electrical overcurrent protection.
Q: What is the typical lifespan of a 48V fuse?
A: A 48V fuse remains functional indefinitely until it must interrupt a circuit fault. Once a fuse opens to protect the system, it must be replaced. Fuses are single-use devices and cannot be reset. Always replace with the exact amperage rating to maintain proper circuit protection.
Q: Why is the 2500A interrupting rating important?
A: The 2500A interrupting rating indicates the maximum fault current the fuse can safely clear without rupturing or causing arc-flash hazard. This rating is critical for hazardous operations and compliance with electrical safety standards. Using fuses with inadequate interrupting ratings risks equipment damage, fire, and injury.