Application Data
Class 3140
Application Data for Double Throw Safety Switches
Situations Requiring Fuses
- 30–100 A Type DT (Series F):
Select DT switches from 240 Volt Double-Throw Safety Switches and 600 Volt Double Throw Safety Switches which have provisions for accepting fuses. - 30 A, 200–600 A Type 82,000 (Series E, T4, A), DTU devices:
Use the non-fusible double throw switches from 240 Volt Double-Throw Safety Switches and 600 Volt Double Throw Safety Switches in conjunction with standard fusible devices, and install them according to diagram 1 or 2, below.
UL Listed Short Circuit Current Ratings
Switch Type |
Amperes |
Voltage Rating |
UL Listed Fuse Class |
Short Circuit (A) |
---|---|---|---|---|
Type 92000 |
30 A |
240 V |
H, K |
10,000 [2] |
Type DT (Series F) |
30–100 A |
240 V or 600 V |
H, K |
10,000 |
R, J |
200,000 |
|||
Type DTU [3] (Series F) |
30–100 A |
240 V or 600 V |
H or K |
10,000 [2] |
R, J or T |
200,000 |
|||
and (Series E) |
200 A |
240 V |
H, K |
10,000 [2] |
(Series E) |
200 A |
240 V |
H, K |
10,000 [2] |
R, J |
100,000 |
|||
Type 82,000 |
All |
240 V or 600 V |
H, J |
10,000[2] |
Type DTU (Series A) |
400–600 A |
240 V or 600 V |
H, K |
10,000 |
R, J, T |
100,000 |