L&T does not offer a standardthermal fuse rated for 690V. Instead, at this voltage, L&T manufacturesHRC (High Rupturing Capacity) fusesfor industrial electrical protection. HRC fuses are designed for overload and short circuit situations, but they are not temperature-activated like low-voltage thermal fuses used in appliances and electronics.
Key points:
L&T HRC fuses are available up to 690V in various types (cylindrical, bolted, blade) and current ratings (typically from 2A to 630A and sometimes higher).
HRC fuses comply with IEC 60269 and IS 13703, and can have high breaking capacities (such as 80kA for type HF and 100kA for type HN).
For 690V circuit protection, use an HRC fuse rather than a thermal fuse, as thermal fuses are not designed for or available at this voltage rating within L&T's product line or standard industry offerings.
Trade listings refer to "160A L&T HRC Fuse 690V AC" for industrial use, not as a thermal fuse.
If you require a690V fuse for industrial or commercial electrical protection, select an L&T HRC fuse with the appropriate current rating and mounting style for your application.
For any requirement where you specifically need atemperature-activated fuse at 690V, there is no such product from L&T or from other major electrical brands, as industry standards and safety norms do not support using thermal fuses at such high voltages.
