"NEMA" 等級與IP等級對照表
Type Number | IP Designation |
1 | IP10 |
2 | IP11 |
3 | IP54 |
3R | IP14 |
3S | IP54 |
4 and 4x | IP56 |
5 | IP52 |
6and 6p | IP67 |
12and 12k | IP52 |
13 | IP54 |
Class I 危險區域分類比較 |
Division 1: 在一般使用情況下, 可燃性氣體、霧氣、液體 總是在或有時存在之場所 | Zone 0: 在一般使用情況下,可燃性氣體、霧氣、液體長時間存在的場所 |
Zone1: 在一般使用情況下,可燃性氣體、霧氣、液體可能存在的場所 |
Division 2: 在一般使用情況下,可燃性氣體、霧氣、液體不常存在之場所 | Zone 2: 在一般使用情況下,可燃性氣體、霧氣、液體不常存在之場所 |
Class I 氣體族群比較 |
Division 1and 2 | Zone 0, 1 and 2 |
A (acetylene)乙炔 | IIC (acetylene & hydrogen) 乙炔+氫
|
B (hydrogen)氫 |
C (ethylene)乙烯 | IIB (ethylene)乙烯 |
D (propane)丙烷 | IIA (propane)丙烷 |
Class I表面溫度比較 |
Division 1and 2 | Zone 0, 1 and 2 |
T1 (450°C) | T1 (450°C) |
T2 (300°C) | T2 (300°C) |
T2A, B, C, D (280, 260, 230,215°C) | ------ |
T3 (200°C) | T3 (200°C) |
T3A, B, C (180, 165, 160°C) | ------ |
T4 (135°C) | T4 (135°C) |
T4A (120°C) | ------ |
T5 (100°C) | T5 (100°C) |
T6 (85°C) | T6 (85°C) |
Class I 防護方法比較 |
Area | Division Protection Methods | Area | Zone Protection Methods |
Division 1 | ‧Explosionproof耐壓防爆 ‧Intrinsically safe (2 fault) 本質安全防爆 ‧Purged/ pressurized (Type X or Y) 內壓防爆 | Zone 0 | ‧Intrinsically safe, 'ia' (2 fault) ‧Class I, Division 1 Intrinsically safe (2 fault) 本質安全防爆 |
Zone 1 | ‧Encapsulation, 'm' 模鑄防爆 ‧Flameproof, 'd' 耐壓(防火)防爆 ‧Increased safety, 'e' 安全增防爆 ‧Intrinsically safe, 'ib' (1 fault 本質安全防爆 ‧Oil immersion, 'o'油入防爆 ‧Powder filling, 'q' 充填防爆 ‧Purged/pressurized, 'p' 內壓防爆 ‧任何Class I, Zone 0 方法 ‧任何 Class I, Division 1 方法 |
Division 2 | ‧Hermetically sealed ‧Nonincendive ‧Non-sparking ‧Oil immersion ‧Sealed device ‧Purged/ pressurized (Type Z) ‧Any Class I, Division 1 method ‧Any Class I, Zone 1or 2 method | Zone 2 | ‧Energy Limited, 'nC' ‧Hermetically sealed, 'nC' ‧Nonincendive, 'nC' ‧Non-sparking, 'nA' ‧Restricted breathing, 'nR' ‧Sealed device, 'nC' ‧Any Class I, Zone 0 or 1 method ‧Any Class I, Division 1 or 2 method |
NEC/ATEX/IECEX 防爆標準對照表(摘錄自Sira)
防爆配線圖例(摘錄自華榮科技)