BuyLog Flippingbook APR 2026

SAFETY SWITCHES AND AC DISCONNECTS, BUYLOG SECTION 4

4-16

— Heavy duty safety switches

NEMA types 4X and 5/12 - 240Vac - fusible

N

N

Ordering code

Auxiliary contact kits

NEMA Type 4X Stainless Steel

NEMA Type 5/12

Ground kit

Neutral kit

Standard fuse class

Class J fuse kit

Class T fuse kit

Class R fuse rejection kit 2

Amperage rating

SPDT

DPDT

N

N

Fusible / 2-pole / 2-wire

30 60

TH2221SS TH2222SS

TH2221J TH2222J

Factory installed

TNIJ61 H, J, and R

–

–

TRK12B THAUX61S THAUX21D

TNIJ62

TRK22A

–

THAUX64D

Fusible / 2-pole / 3-wire

30 60

TH3221SS TH3222SS TH3223SS TH3224SS

TH3221J TH3222J TH3223J TH3224J

Factory installed

Factory installed

H, J, and R

–

–

TRK12B THAUX61S THAUX21D

TRK22A

–

THAUX64D

N

N

TPBRK36A

100 200 400 600 800

Move loadblock 1

TRK46A TRK56A TRK66A

THF3225AS 3 THF3226AS 3

THF3225AJ THF3226AJ

THT5A

THAUX66DA

N

N

N

N

THJ6 THT6A

THF3227AXZ 3,4 THF3228AXZ 3,4

– –

–

L

–

THT7A

–

THAUX67 THAUX67

1200'

N

N

Fusible / 3-pole / 3-wire

30 60

TH3321SS TH322SS

TH3321J TH3322J

Factory installed

TNIJ61 H, J, and R

–

–

TRK12B THAUX61S THAUX21D

TNIJ62

TRK22A

–

THAUX64D

N

N

Fusible / 3-pole / 4-wire

30 60

TH4321SS TH4322SS 1 TH4323SS TH4324SS THF4325AS 3 THF4326AS 3

TH4321J TH4322J TH4323J TH4324J

Factory installed

Factory installed

H, J, and R

–

–

TRK12B THAUX61S THAUX21D

TRK22A

–

THAUX64D

N

N

–

TPBRK36A

100 200 400 600 800

Move loadblock 1

TRK46A TRK56A TRK66A

THF4325AJ THF4326AJ

THT5A

THAUX66DA

THJ6 THT6A

THF4327AXZ 3,4 THF4328AXZ 3,4

– –

–

L

–

THT7A

–

THAUX67 THAUX67

1200

1 Switches may be adapted to accept Class J fuses without a kit by moving the load-block toward the switch base and remounting. 2 When specifications permit only Class R fuses, these kits may be installed in the switch to deter fuses other than Class R from being installed. 3 Available in NEMA 4X enclosure grade 316 stainless steel. For 30–200 A, add “316” suffix. For 400–600 A, remove “AS” and add “AX” suffix. 4 Available with cUL SE, add “CN” suffix before Z