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Chain and Belt Torque Limiters
 |  |  |
Torque Limiter Shown with Sprocket | Replacement Friction Lining |
Prevent damage from overloading. When overloaded, these limiters cause your sprocket or pulley to slip. Once the overload is removed, the limiters automatically reset. Set the torque within the range listed. Friction lining is between the hub and pressure plate.
Double Spring—Double-spring limiters have a second spring for handling nearly twice the torque of single-spring limiters.
Sprockets—Sprockets are designed specifically to fit their corresponding limiters. These hubless sprockets are not interchangeable.
Torque Limiters | Sprockets | Replacement Friction Lining | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Keyway | Torque, ft·lbf | |||||||||||||||||
For Shaft Dia. | OD | Overall Wd. | Wd. | Dp. | For Max. Sprocket or Pulley Wd. | Friction Lining Thk. | Min. | Max. | Hub Material | Each | Choose a Roller Chain Trade Number | Each | Each | |||||
Single Spring | ||||||||||||||||||
| 1/4" | 1 5/16" | 1 3/8" | 1/16" | 1/32" | 11/32" | 1/8" | 1 | 6 | Steel | 6524K171 | 000000 | 25, 35, 40, 41, 50 | 6525K27 | 000000 | 6525K68 | 000000 | ||
| 5/16" | 1 5/16" | 1 3/8" | 3/32" | 3/64" | 11/32" | 1/8" | 1 | 6 | Steel | 6524K172 | 00000 | 25, 35, 40, 41, 50 | 6525K27 | 00000 | 6525K68 | 00000 | ||
| 3/8" | 1 5/16" | 1 3/8" | 3/32" | 3/64" | 11/32" | 1/8" | 1 | 6 | Steel | 6524K173 | 00000 | 25, 35, 40, 41, 50 | 6525K27 | 00000 | 6525K68 | 00000 | ||
| 3/8" | 2 1/4" | 2" | 3/32" | 3/64" | 1/2" | 1/8" | 5 | 35 | Steel | 6524K111 | 000000 | 35, 40, 41, 50 | 6525K11 | 00000 | 6525K62 | 00000 | ||
| 1/2" | 2 1/4" | 2" | 1/8" | 1/16" | 1/2" | 1/8" | 5 | 35 | Steel | 6524K18 | 000000 | 35, 40, 41, 50 | 6525K11 | 00000 | 6525K62 | 00000 | ||
| 1/2" | 2 1/2" | 1 3/4" | 1/8" | 1/16" | 11/32" | 1/8" | 25 | 60 | Steel | 6524K121 | 00000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 1/2" | 3 3/8" | 2 1/8" | 1/8" | 1/16" | 1/2" | 1/8" | 11 | 100 | Steel | 6524K131 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 5/8" | 2 1/4" | 2" | 3/16" | 3/32" | 1/2" | 1/8" | 5 | 35 | Steel | 6524K19 | 000000 | 35, 40, 41, 50 | 6525K11 | 00000 | 6525K62 | 00000 | ||
| 5/8" | 2 1/2" | 1 3/4" | 3/16" | 3/32" | 11/32" | 1/8" | 25 | 60 | Steel | 6524K122 | 00000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 5/8" | 3 3/8" | 2 1/8" | 3/16" | 3/32" | 1/2" | 1/8" | 11 | 100 | Steel | 6524K27 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 3/4" | 2 1/4" | 2" | 3/16" | 3/32" | 1/2" | 1/8" | 5 | 35 | Steel | 6524K21 | 000000 | 35, 40, 41, 50 | 6525K11 | 00000 | 6525K62 | 00000 | ||
| 3/4" | 2 1/2" | 1 3/4" | 3/16" | 3/32" | 11/32" | 1/8" | 25 | 60 | Steel | 6524K123 | 00000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 3/4" | 3 3/8" | 2 1/8" | 3/16" | 3/32" | 1/2" | 1/8" | 11 | 100 | Steel | 6524K28 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 3/4" | 3 1/2" | 2 3/16" | 3/16" | 3/32" | 1/2" | 1/8" | 50 | 120 | Steel | 6524K141 | 000000 | 35, 40, 41, 50, 60 | 6525K14 | 00000 | 6525K65 | 00000 | ||
| 3/4" | 4 1/2" | 2 7/8" | 3/16" | 3/32" | 7/8" | 1/8" | 18 | 190 | Steel | 6524K321 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 7/8" | 2 1/2" | 1 3/4" | 3/16" | 3/32" | 11/32" | 1/8" | 25 | 60 | Steel | 6524K124 | 00000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 7/8" | 3 3/8" | 2 1/8" | 3/16" | 3/32" | 1/2" | 1/8" | 11 | 100 | Steel | 6524K29 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 7/8" | 3 1/2" | 2 3/16" | 3/16" | 3/32" | 1/2" | 1/8" | 50 | 120 | Steel | 6524K142 | 000000 | 35, 40, 41, 50, 60 | 6525K14 | 00000 | 6525K65 | 00000 | ||
| 1" | 2 1/2" | 1 3/4" | 1/4" | 1/8" | 11/32" | 1/8" | 25 | 60 | Steel | 6524K501 | 00000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 1" | 3 3/8" | 2 1/8" | 1/4" | 1/8" | 1/2" | 1/8" | 11 | 100 | Steel | 6524K31 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 1" | 3 1/2" | 2 3/16" | 1/4" | 1/8" | 1/2" | 1/8" | 50 | 120 | Steel | 6524K143 | 000000 | 35, 40, 41, 50, 60 | 6525K14 | 00000 | 6525K65 | 00000 | ||
| 1" | 4 1/2" | 2 7/8" | 1/4" | 1/8" | 7/8" | 1/8" | 18 | 190 | Steel | 6524K322 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 1" | 5" | 2 7/8" | 1/4" | 1/8" | 5/8" | 1/8" | 90 | 250 | Steel | 6524K151 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1" | 6" | 3" | 1/4" | 1/8" | 13/16" | 1/8" | 24 | 320 | Steel | 6524K125 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 1/8" | 4 1/2" | 2 7/8" | 1/4" | 1/8" | 7/8" | 1/8" | 18 | 190 | Steel | 6524K323 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 1 1/8" | 5" | 2 7/8" | 1/4" | 1/8" | 5/8" | 1/8" | 90 | 250 | Steel | 6524K152 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 3/16" | 5" | 2 7/8" | 1/4" | 1/8" | 5/8" | 1/8" | 90 | 250 | Steel | 6524K153 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 1/4" | 3 1/2" | 2 3/16" | 1/4" | 1/8" | 1/2" | 1/8" | 50 | 120 | Steel | 6524K503 | 000000 | 35, 40, 41, 50, 60 | 6525K14 | 00000 | 6525K65 | 00000 | ||
| 1 1/4" | 4 1/2" | 2 7/8" | 1/4" | 1/8" | 7/8" | 1/8" | 18 | 190 | Steel | 6524K324 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 1 1/4" | 5" | 2 7/8" | 1/4" | 1/8" | 5/8" | 1/8" | 90 | 250 | Steel | 6524K154 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 1/4" | 6" | 3" | 1/4" | 1/8" | 13/16" | 1/8" | 24 | 320 | Steel | 6524K126 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 3/8" | 4 1/2" | 2 7/8" | 5/16" | 5/32" | 7/8" | 1/8" | 18 | 190 | Steel | 6524K325 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 1 3/8" | 5" | 2 7/8" | 5/16" | 5/32" | 5/8" | 1/8" | 90 | 250 | Steel | 6524K155 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 3/8" | 6" | 3" | 5/16" | 5/32" | 13/16" | 1/8" | 24 | 320 | Steel | 6524K127 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 7/16" | 5" | 2 7/8" | 3/8" | 3/16" | 5/8" | 1/8" | 90 | 250 | Steel | 6524K156 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 7/16" | 6" | 3" | 3/8" | 3/16" | 13/16" | 1/8" | 24 | 320 | Steel | 6524K138 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 1/2" | 5" | 2 7/8" | 3/8" | 3/16" | 5/8" | 1/8" | 90 | 250 | Steel | 6524K157 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 1/2" | 6" | 3" | 3/8" | 3/16" | 13/16" | 1/8" | 24 | 320 | Steel | 6524K128 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 5/8" | 5" | 2 7/8" | 3/8" | 3/16" | 5/8" | 1/8" | 90 | 250 | Steel | 6524K158 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 5/8" | 6" | 3" | 3/8" | 3/16" | 13/16" | 1/8" | 24 | 320 | Steel | 6524K129 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
Double Spring | ||||||||||||||||||
| 1/4" | 1 5/16" | 1 3/8" | 1/16" | 1/32" | 5/16" | 1/8" | 2 | 12 | Steel | 6524K331 | 000000 | 25, 35, 40, 41, 50 | 6525K27 | 00000 | 6525K68 | 00000 | ||
| 5/16" | 1 5/16" | 1 3/8" | 3/32" | 3/64" | 5/16" | 1/8" | 2 | 12 | Steel | 6524K332 | 000000 | 25, 35, 40, 41, 50 | 6525K27 | 00000 | 6525K68 | 00000 | ||
| 3/8" | 1 5/16" | 1 3/8" | 3/32" | 3/64" | 5/16" | 1/8" | 2 | 12 | Steel | 6524K333 | 000000 | 25, 35, 40, 41, 50 | 6525K27 | 00000 | 6525K68 | 00000 | ||
| 3/8" | 2 1/4" | 2" | 3/32" | 3/64" | 15/32" | 1/8" | 7 | 50 | Steel | 6524K411 | 000000 | 35, 40, 41, 50 | 6525K11 | 00000 | 6525K62 | 00000 | ||
| 1/2" | 2 1/4" | 2" | 1/8" | 1/16" | 15/32" | 1/8" | 7 | 50 | Steel | 6524K23 | 000000 | 35, 40, 41, 50 | 6525K11 | 00000 | 6525K62 | 00000 | ||
| 1/2" | 2 1/2" | 1 3/4" | 1/8" | 1/16" | 11/32" | 1/8" | 30 | 95 | Steel | 6524K421 | 000000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 1/2" | 3 3/8" | 2 1/8" | 1/8" | 1/16" | 7/16" | 1/8" | 13 | 175 | Steel | 6524K431 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 5/8" | 2 1/4" | 2" | 3/16" | 3/32" | 15/32" | 1/8" | 7 | 50 | Steel | 6524K24 | 000000 | 35, 40, 41, 50 | 6525K11 | 00000 | 6525K62 | 00000 | ||
| 5/8" | 2 1/2" | 1 3/4" | 3/16" | 3/32" | 11/32" | 1/8" | 30 | 95 | Steel | 6524K422 | 000000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 5/8" | 3 3/8" | 2 1/8" | 3/16" | 3/32" | 7/16" | 1/8" | 13 | 175 | Steel | 6524K432 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 3/4" | 2 1/4" | 2" | 3/16" | 3/32" | 15/32" | 1/8" | 7 | 50 | Steel | 6524K25 | 000000 | 35, 40, 41, 50 | 6525K11 | 00000 | 6525K62 | 00000 | ||
| 3/4" | 2 1/2" | 1 3/4" | 3/16" | 3/32" | 11/32" | 1/8" | 30 | 95 | Steel | 6524K423 | 000000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 3/4" | 3 3/8" | 2 1/8" | 3/16" | 3/32" | 7/16" | 1/8" | 13 | 175 | Steel | 6524K34 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 3/4" | 3 1/2" | 2 3/16" | 3/16" | 3/32" | 1/2" | 1/8" | 60 | 190 | Steel | 6524K441 | 000000 | 35, 40, 41, 50, 60 | 6525K14 | 00000 | 6525K65 | 00000 | ||
| 3/4" | 4 1/2" | 2 7/8" | 3/16" | 3/32" | 13/16" | 1/8" | 20 | 285 | Steel | 6524K381 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 7/8" | 2 1/2" | 1 3/4" | 3/16" | 3/32" | 11/32" | 1/8" | 30 | 95 | Steel | 6524K424 | 000000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 7/8" | 3 3/8" | 2 1/8" | 3/16" | 3/32" | 7/16" | 1/8" | 13 | 175 | Steel | 6524K434 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 7/8" | 3 1/2" | 2 3/16" | 3/16" | 3/32" | 1/2" | 1/8" | 60 | 190 | Steel | 6524K442 | 000000 | 35, 40, 41, 50, 60 | 6525K14 | 00000 | 6525K65 | 00000 | ||
| 1" | 2 1/2" | 1 3/4" | 1/4" | 1/8" | 11/32" | 1/8" | 30 | 95 | Steel | 6524K502 | 000000 | 35, 40, 41, 50 | 6525K12 | 00000 | 6525K64 | 0000 | ||
| 1" | 3 3/8" | 2 1/8" | 1/4" | 1/8" | 7/16" | 1/8" | 13 | 175 | Steel | 6524K36 | 000000 | 35, 40, 41, 50 | 6525K13 | 00000 | 6525K63 | 00000 | ||
| 1" | 3 1/2" | 2 3/16" | 1/4" | 1/8" | 1/2" | 1/8" | 60 | 190 | Steel | 6524K443 | 000000 | 35, 40, 41, 50, 60 | 6525K14 | 00000 | 6525K65 | 00000 | ||
| 1" | 4 1/2" | 2 7/8" | 1/4" | 1/8" | 13/16" | 1/8" | 20 | 285 | Steel | 6524K382 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 1" | 5" | 2 7/8" | 1/4" | 1/8" | 5/8" | 1/8" | 120 | 400 | Steel | 6524K451 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1" | 6" | 3" | 1/4" | 1/8" | 3/4" | 1/8" | 26 | 440 | Steel | 6524K132 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 1/8" | 4 1/2" | 2 7/8" | 1/4" | 1/8" | 13/16" | 1/8" | 20 | 285 | Steel | 6524K383 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 1 1/8" | 5" | 2 7/8" | 1/4" | 1/8" | 5/8" | 1/8" | 120 | 400 | Steel | 6524K452 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 3/16" | 5" | 2 7/8" | 1/4" | 1/8" | 5/8" | 1/8" | 120 | 400 | Steel | 6524K453 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 1/4" | 3 1/2" | 2 3/16" | 1/4" | 1/8" | 1/2" | 1/8" | 60 | 190 | Steel | 6524K504 | 000000 | 35, 40, 41, 50, 60 | 6525K14 | 00000 | 6525K65 | 00000 | ||
| 1 1/4" | 4 1/2" | 2 7/8" | 1/4" | 1/8" | 13/16" | 1/8" | 20 | 285 | Steel | 6524K384 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 1 1/4" | 5" | 2 7/8" | 1/4" | 1/8" | 5/8" | 1/8" | 120 | 400 | Steel | 6524K454 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 1/4" | 6" | 3" | 1/4" | 1/8" | 3/4" | 1/8" | 26 | 440 | Steel | 6524K133 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 3/8" | 4 1/2" | 2 7/8" | 5/16" | 5/32" | 13/16" | 1/8" | 20 | 285 | Steel | 6524K385 | 000000 | 35, 40, 41, 50, 60, 80, 100 | 6525K32 | 00000 | 6525K72 | 00000 | ||
| 1 3/8" | 5" | 2 7/8" | 5/16" | 5/32" | 5/8" | 1/8" | 120 | 400 | Steel | 6524K455 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 3/8" | 6" | 3" | 5/16" | 5/32" | 3/4" | 1/8" | 26 | 440 | Steel | 6524K134 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 7/16" | 5" | 2 7/8" | 3/8" | 3/16" | 5/8" | 1/8" | 120 | 400 | Steel | 6524K456 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 7/16" | 6" | 3" | 3/8" | 3/16" | 3/4" | 1/8" | 26 | 440 | Steel | 6524K137 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 1/2" | 5" | 2 7/8" | 3/8" | 3/16" | 5/8" | 1/8" | 120 | 400 | Steel | 6524K457 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 1/2" | 6" | 3" | 3/8" | 3/16" | 3/4" | 1/8" | 26 | 440 | Steel | 6524K135 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
| 1 5/8" | 5" | 2 7/8" | 3/8" | 3/16" | 5/8" | 1/8" | 120 | 400 | Steel | 6524K458 | 000000 | 40, 41, 50, 60, 80 | 6525K15 | 00000 | 6525K66 | 00000 | ||
| 1 5/8" | 6" | 3" | 3/8" | 3/16" | 3/4" | 1/8" | 26 | 440 | Steel | 6524K136 | 000000 | 40, 41, 50, 60, 80, 100 | 6525K33 | 000000 | 6525K73 | 00000 | ||
Electric Clutch/Brakes for Face-Mount Motors
 |  |
Controller | Clutch/Brake |
From one assembly, electrically control when to transmit power with a clutch and when to hold a load in place with a brake. The clutch and brake each have their own circuit, so they can be controlled separately. To disengage either one, remove power to its circuit. Disengaging the clutch disconnects the load from your motor, stopping power transmission without stopping your motor. Disengaging the brake releases it.
These clutch/brakes have a mounting pattern that is designed to mount directly to your NEMA face-mount motor. Fasten them to your motor's shaft by tightening the set screws, which bite into your shaft for a tight hold. To the other side, attach a gearbox or couple a gear, sprocket, pulley, or other component.
Controllers (sold separately) convert an AC input into two DC outputs that alternate engaging the clutch and the brake. If their green LED is lit, the clutch has power. If their red LED is lit, the brake has power. Mount these controllers inside a conduit box (sold separately).
Max. Power, hp | Max. Rotation Speed, rpm | Voltage, V DC | For Motor Frame Size | OD | Overall Lg. | Material | Drive Direction | Shaft Dia. | Keyway Width × Keyway Depth | Electrical Connection Type | Wire Lead Lg. | Certification | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Through Shaft | ||||||||||||||||
| 3/4 | 3,600 | 90 | NEMA 48Y, NEMA 56C | 6 3/4" | 6 3/4" | Steel | Clockwise and Counterclockwise | 5/8" | 3/16" × 3/16" | Hardwire | 36" | UL Listed, C-UL Listed | 61355K31 | 000000000 | ||
| 3 | 3,600 | 90 | NEMA 48Y, NEMA 56C | 6 3/4" | 6 3/4" | Steel | Clockwise and Counterclockwise | 5/8" | 3/16" × 3/16" | Hardwire | 36" | UL Listed, C-UL Listed | 61355K32 | 00000000 | ||
 |
Conduit boxes attach directly to these clutch/brakes to protect wiring from dust and moisture.
No. of Knockouts | Knockout Trade Size | Lg. | Wd. | Ht. | Material | Enclosure Rating | Certification | Each | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1/2 | 2 1/4" | 3 1/4" | 2 3/16" | Galvanized Steel | NEMA 4 | UL Listed, C-UL Listed | 4406N103 | 000000 |
 |
Material | Includes | Each | ||
|---|---|---|---|---|
| Steel | Two Covers, Two Gaskets, Four Mounting Screws | 4406N104 | 000000 |
