The temperature rise must not exceed 5°C (41°F) after the 84th
cycle, compared the temperature measured after the first cycle.2 (UL 486 E)
b
Values are for 75°C (167°F), not more than conductors raceway cable ampacities, National Electric
Code, ANSI/NFPA 70.
c
Values are for 75°C (167°F) single conductors free air ampacities, National Electric Code, ANSI/NFPA 70.5 3.32) 12
20 (0.
f
See Section 9.3) [25] [28] [40] 38
10 (5.26
www.13) 5.wago.3) 105 131 105
4 (21.4) 175 265 300 370
3/0 (85.7) 100 145 165 205
2 (33.5 4
26 (0.5 5.05) 3.
d
Values are approximately 112% the static heating test currents.1) [20] [22] [27] 33
12 (3.2) 125 140 175
3 (26.
e
Values for AWG and larger conductors are approximately 140% the static heating test currents.6) 115 170 190 240
1 (42.
Test performed per:
UL 1059 486 (Splicing wire connectors)
UL 486 (Equipment wiring terminals)
Test performed with maximum rated cross section Test performed with maximum rated cross section
Test current: 150% maximum rated current Test current: Increased test current per
UL 486 Table 6
UL 486 Table 4
84 cycles of: 1/2 1/2 OFF 500 cycles of: OFF
1 1/2 1/2 OFF
(from 4/0 AWG 400 kcmil per 486 E)
The temperature rise measured after the first and the 84th cycle.4) 130 195 220 275
1/0 (53.4
g
Values parentheses apply connectors with assigned ampere ratings.4) 100 80
6 (13.52) 16
18 (0.
.5
28 (0.2) 8
22 (0.2.0) 200 310 345 435
4/0 (107) 230 360 405 505
250 (127) 255 405 445 565
300 (152) 285 445 500 625
a
See Section 7. The temperature rises the terminal blocks and control conduc-
tors are measured and recorded after: 25, 50, 75, 100, 125, 175,
225, 275, 350, 425 and 500 cycles.com
WAGO Rail-Mount Terminal Block Systems
Technical Information
Tests and Testing Procedures per Standards (continued)
UL Specifications Underwriters Laboratories, USA (continued)
• Heat Cycling Test per 1059, 486 E
Conductor Size Test Current for Copper Conductors A
UL 486 Table 486 Table 6
AWG
or
kcmil
Assigned
Maximum
Ampere Ratingb
Static
Heatinga,c,g
Heat Cycling
Temperature Ratinga
Static
Heating
Heat
Cycling
(mm²) 75°C (167°F)d,g
90°C (194°F)e,g
30 (0.82) 19
16 (1.5 6
24 (0.2 and 9.08) 3.3) 20
14 (2.
The temperature rise must not exceed 125°C (257°F) and the sta-
bility factor “S” must not exceed ±10.3) [40] [45] [60] 56
8 (8.5 3.2, 8.5) 150 230 255 320
2/0 (67
