Technical Data Bulletin

Heavy Duty Safety Switches Class 3100
Non-Fusible Safety Switches
• Systems equal or less than 10 kAIR SCCR; Any brand of circuit breaker or fuse
not exceeding the ampere rating of the switch may be used in conjunction with a
non-fusible safety switch, see Table 43 below
• Systems above 10 kAIR SCCR; The UL Listed short circuit current rating for
Square D non-fusible switches is based upon the switch being used in
conjunction with fuses or Square D circuit breakers or Mag-Gard motor circuit
protectors, see Table 43 below
Table 42 - Non-Fusible Safety Switches
Switch Rating (A)
95
96
Fuse Class or
Circuit Breaker
Type
97
3-Phase
250 Vdc / 600 Vdc
240 Vac 480 Vac 600 Vac
With Upstream Fuse Protection
All
H, K
10 kA 10 kA 10 kA
Up to 10 kA
R,T,J,L
200 kA 200 kA 200 kA
With Upstream Circuit Breaker Protection
All
Any brand circuit
breaker
10 kA 10 kA 10 kA
Up to 10 kA
30–100 HD 25 kA 18 kA 14 kA
30–100 HG 65 kA 35 kA 18 kA
30–100 HJ 65 kA 35 kA 25 kA
30–100 HL 65 kA 35 kA 35 kA
30–100 HR 65 kA 35 kA 35 kA
200
HD, JD
25 kA 18 kA 14 kA
200
HG, JG
65 kA 35 kA 18 kA
200
HJ, JJ
65 kA 35 kA 25 kA
200
HL, JL
65 kA 35 kA 35 kA
200
HR, JR
65 kA 35 kA 35 kA
400 LA 22 kA 22 kA 22 kA
400 LH 25 kA 25 kA 25 kA
400–600 LD 25 kA 18 kA 14 kA
400–600 LG 65 kA 35 kA 18 kA
400–600 LJ 100 kA 65 kA 25 kA
400–600 LL 100 kA 65 kA 50 kA
400–600 LR 100 kA 65 kA 65 kA
3100CT1602 43
95. For NEMA Type 4X Fiberglass Reinforced Polyester switches, see Table 17 and 18 on page 22.
96. NEMA Type 7/9 SCCR 10 kAIR 600 Vac maximum.
97. Ampere rating of fuse or circuit breaker not to exceed switch ampere rating.