Energy Guide

ManualsBrandsSquare D ManualsGenerator Accessories100 Amp 240-Volt 3-Pole 3-Phase Fused Outdoor General Duty Safety Switch

3-11

www.se.com/us

UL Listed Maximum Short Circuit Current

Ratings—AC only

Heavy Duty Safety Switches

Class 3110 / Refer to Catalog 3100CT1602

UL Listed Maximum Short Circuit Current Ratings—AC only

NOTE: Consult the wiring diagram of the switch

to verify the UL Listed short circuit current rating.

Table 3.16: Fusible Safety Switches

Heavy Duty

Safety Switch Type

UL Listed

Fuse Class

UL Listed Short Circuit

Current Ratings

Fusible

H, K

10 kA

R, J, L

200 kA [31]

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.

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.

Table 3.17: Non-Fusible Safety Switches

[32] [33]

Switch Rating

(A)

Fuse or Circuit Breaker Type [34]

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

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

30–100 HD 25 kA 18 kA 14 kA

Up to 10

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

30–100 FA 14 kA 14 kA 14 kA

30–100 FH 18 kA 18 kA 18 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

SAFETY SWITCHES

[31] On 600 V, 200 A switches, 100,000 A max. on corner grounded delta when protected by Class J or R fuses.

[32] For NEMA Type 4X Fiberglass Reinforced Polyester switches, see page 3-12.

[33] NEMA Type 7/9 SCCR 10 kAIR 600 Vac maximum.

[34] Ampere rating of fuse or circuit breaker not to exceed switch ampere rating.

9/13/2019