Technical Data Bulletin

Class 3100 General Duty Safety Switches
Applications
Light Duty
Light Duty Safety Switches are ideal for home applications in disconnecting power
to workshops, hobby rooms, furnaces and garages:
• Visible blades
• 10,000 A short circuit current rating
• 30 A, fusible and non-fusible, 120 Vac, 120/240 Vac
• Replacement parts not available
• Load-make, load-break rated for the switch current rating except L111N
• Horsepower rated except L111N
• Available with plug or cartridge fuse holders
• Grounding kit is standard
General Duty
General Duty Safety Switches are designed for the following applications:
• Residential and light commercial applications
• Infrequent or moderate operations
• 240 Vac maximum
• Up to 100,000 rms symmetrical amperes, using appropriately rated Class R fuses
and Class R Fuse Kit, or Class T, or Class J fuses and appropriate Class J Kit
• 30–800 A
• Horsepower rated
• Load-make, load-break rated for the switch current rating
Table 9 - Fusible Safety Switch Short Circuit Current Rating
Fuse Class
UL Listed Short Circuit Rating
Plug
10 kA
H, K
10 kA
J
10
, R
100 kA
T
11
100 kA
Fuse Class or Circuit Breaker Type
12
UL Listed Short Circuit Rating
Any Brand Circuit Breaker
10 kA
B, H, or J PowerPact™ Circuit Breaker
Up to 65 kA
13
H, K
10 kA
J, R
100 kA
14
T 100 kA
15
10 3100CT1602
10. Only applicable to 200–600 A except D325NT, D325NTR, D326NT and D326NTR.
11. Only applicable to D325NT, D325NTR, D326NT, D326NTR, T327N and T327NR.
12. Ampere rating of fuse or circuit breaker not to exceed switch ampere ratings.
13. Only applicable to DU324 and DU324NRB. BD, HD, JD = 25 kA maximum.
14. SCCR = 50 kA, applicable to DU222RB, DU322 and DU322RB.
15. Only applicable to DU323, DU323RB, DU325 and DU326.Only applicable to DU323, DU323RB, DU325 and DU326.