SBTT-250 Tunnel-to-Tunnel Power Terminal

Design Guideline for Distribution Blocks, Power Blocks and Power Terminals | ||||||||||
Derating according to Ambient* Temperature (°F) to maintain working temperature of 185°F | ||||||||||
Ambient Temperature (°F) | 86° | 95° | 104° | 113° | 122° | 131° | 140° | 149° | 158° | 167° |
Derating Coefficient (d) | 1 | 1 | 1 | 0.94 | 0.88 | 0.82 | 0.75 | 0.67 | 0.58 | 0.47 |
*environment around the terminal blocks inside the enclosure |