DANGER - Blemo

Annex 2: Short-circuit rating and branch circuit protection
Recommended fuse ratings for UL and CSA requirements
Components for use together in accordance with standard UL508
Soft starter 208/600 V- 60 Hz (+10% -15%) - Standard rating.
SH31
Stand-alone
product
Suitable For Use On A Circuit Capable Of Delivering Not More Than ___X____ rms Symmetrical Amperes, 575 Volts Maximum, When
Protected by __Z 1____ with a Maximum rating of__Z 2___.
(1) Ferraz Shawmut manufacturer.
Enclosed products
Suitable For Use On A Circuit Capable Of Delivering Not More Than ___X____ rms Symmetrical Amperes, 575 Volts Maximum, When
Protected by __Z 1____ with a Maximum rating of__Z 2___.
84
SH31-7.5/6
Max. short circuit
current rating
(SCCR) X
Branch circuit
protection Z1
(1)
kA A
AJT40 40
SH31-15.0/6 5
AJT70 70
Rating
Z2
SH31-22.0/6 AJT100 100
SH31-30.0/6
AJT125 125
SH31-37.0/6 AJT175 175
SH31-45.0/6 AJT200 200
10
SH31-55.0/6 AJT250 250
SH31-75.0/6 AJT300 300
SH31-90.0/6 AJT400 400
SH31-110/6
AJT500 500
SH31-132/6 AJT600 600
SH31-160/6 18
2 x AJT350 2 x 350
SH31-200/6 2 x AJT400 2 x 400
SH31-250/6 2 x AJT500 2 x 500
SH31-315/6 30 2 x AJT600 2 x 600
SH31
US edition
SH31-7.5/6
Max. short circuit
current rating
(SCCR) X
Branch circuit
protection Z1
Rating
Z2
kA A cm 3
Minimum enclosure
volume
inch 3
30 40 2406
SH31-15.0/6 60 40 2406
SH31-22.0/6 90 40 2406
SH31-30.0/6 110 52 3149
SH31-37.0/6 150 52 3149
SH31-45.0/6 175 52 3149
Class J
SH31-55.0/6 200 125 7630
time delay
SH31-75.0/6 100
250 125 7630
SH31-90.0/6 300 125 7630
SH31-110/6 400 130 7892
SH31-132/6 450 130 7892
SH31-160/6 600 130 7892
SH31-200/6 600 130 7892
SH31-250/6 Class L 800 195 11869
SH31-315/6 time delay 800 195 11869