SBTT-500 Tunnel-to-Tunnel Power Terminal

Design Guideline for Distribution Blocks, Power Blocks and Power Terminals | ||||||||||
Derating according to Ambient* Temperature (°C) to maintain working temperature of 85°C | ||||||||||
Ambient Temperature (°C) | 30° | 35° | 40° | 45° | 50° | 55° | 60° | 65° | 70° | 75° |
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 |