Brother AC Gear Motors with Brake (Legacy)

Superior efficiency from hypoid or helical gears offer greater torque output, allowing for smaller motors and greater energy saving. These gears are high strength, maintenance free and can be mounted in any direction with their slip fit "O" ring design. High reduction ratios, flange mount or foot mount types, right angle or hollow shaft right angle types available.

Frame sizes from 5.51 in. to 12.13 in.
Output power from 1/2 HP to 3 HP
Rated torque from 81 lb-in to 11,187 lb-in
IP65 Rated models available
Manual brake release type available

Item #	Frame Size	Mount	Output Power	Voltage (VAC)	Shaft/Gear Type	Gear Ratio (X:1)	Shaft Arrangement	Output Shaft Diameter	Type	Rated Torque	Rated Speed (rpm)	Brake Type	Degree of Protection	List Price	Add To Cart / Contact Sales
G3F40N100-BBM4S	- 10.63 in270 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 100 :1	-	- 1-5/8 in.	- Terminal Box	- 3241 lb-in 366.2 N·m	- 17	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F40N120-BBM4S	- 10.63 in270 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 120 :1	-	- 1-5/8 in.	- Terminal Box	- 3889 lb-in 439.4 N·m	- 14	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F40N160-BBM4S	- 10.63 in270 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 160 :1	-	- 1-5/8 in.	- Terminal Box	- 5185 lb-in 585.8 N·m	- 10.60	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F40N200-BBM4S	- 10.63 in270 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 200 :1	-	- 1-5/8 in.	- Terminal Box	- 6481 lb-in 732.3 N·m	- 8.50	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N030-BBR4S	- 11.81 in299.97 mm	- Flange Mount	- 3 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 30 :1	-	- 2 in.	- Terminal Box	- 2939 lb-in 332.1 N·m	- 57	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N040-BBR4S	- 11.81 in299.97 mm	- Flange Mount	- 3 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 40 :1	-	- 2 in.	- Terminal Box	- 3797 lb-in 429 N·m	- 42	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N050-BBR4S	- 11.81 in299.97 mm	- Flange Mount	- 3 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 50 :1	-	- 2 in.	- Terminal Box	- 4751 lb-in 536.8 N·m	- 34	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N060-BBR4S	- 11.81 in299.97 mm	- Flange Mount	- 3 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 60 :1	-	- 2 in.	- Terminal Box	- 5696 lb-in 643.6 N·m	- 28	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N080-BBR4S	- 11.81 in299.97 mm	- Flange Mount	- 3 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 80 :1	-	- 2 in.	- Terminal Box	- 7595 lb-in 858.1 N·m	- 21	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N100-BBP4S	- 11.81 in299.97 mm	- Flange Mount	- 2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 100 :1	-	- 2 in.	- Terminal Box	- 6476 lb-in 731.7 N·m	- 17	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N100-BBR4S	- 11.81 in299.97 mm	- Flange Mount	- 3 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 100 :1	-	- 2 in.	- Terminal Box	- 9537 lb-in 1077.5 N·m	- 17	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N120-BBP4S	- 11.81 in299.97 mm	- Flange Mount	- 2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 120 :1	-	- 2 in.	- Terminal Box	- 7768 lb-in 877.7 N·m	- 14	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N160-BBP4S	- 11.81 in299.97 mm	- Flange Mount	- 2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 160 :1	-	- 2 in.	- Terminal Box	- 10317 lb-in 1165.7 N·m	- 10.60	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3F50N200-BBP4S	- 11.81 in299.97 mm	- Flange Mount	- 2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 200 :1	-	- 2 in.	- Terminal Box	- 10838 lb-in 1224.5 N·m	- 8.50	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K22N005-BBL4A	- 5.51 in139.95 mm	- Flange Mount	- 1/2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 5 :1	-	- 7/8 in.	- Terminal Box	- 89 lb-in 10.1 N·m	- 340	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K22N010-BBL4A	- 5.51 in139.95 mm	- Flange Mount	- 1/2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 10 :1	-	- 7/8 in.	- Terminal Box	- 178 lb-in 20.1 N·m	- 170	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K22N015-BBL4A	- 5.51 in139.95 mm	- Flange Mount	- 1/2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 15 :1	-	- 7/8 in.	- Terminal Box	- 268 lb-in 30.3 N·m	- 113	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K22N020-BBL4A	- 5.51 in139.95 mm	- Flange Mount	- 1/2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 20 :1	-	- 7/8 in.	- Terminal Box	- 357 lb-in 40.3 N·m	- 85	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K22N025-BBL4A	- 5.51 in139.95 mm	- Flange Mount	- 1/2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 25 :1	-	- 7/8 in.	- Terminal Box	- 446 lb-in 50.4 N·m	- 68	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K28N005-BBM4S	- 6.45 in163.83 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 5 :1	-	- 1-1/8 in.	- Terminal Box	- 167 lb-in 18.9 N·m	- 340	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K28N010-BBM4S	- 6.45 in163.83 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 10 :1	-	- 1-1/8 in.	- Terminal Box	- 335 lb-in 37.8 N·m	- 170	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K28N015-BBM4S	- 6.45 in163.83 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 15 :1	-	- 1-1/8 in.	- Terminal Box	- 502 lb-in 56.7 N·m	- 113	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K28N020-BBM4S	- 6.45 in163.83 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 20 :1	-	- 1-1/8 in.	- Terminal Box	- 669 lb-in 75.6 N·m	- 85	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K28N025-BBM4S	- 6.45 in163.83 mm	- Flange Mount	- 1 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 25 :1	-	- 1-1/8 in.	- Terminal Box	- 837 lb-in 94.6 N·m	- 68	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote
G3K28N030-BBL4A	- 6.45 in163.83 mm	- Flange Mount	- 1/2 HP	- Three-Phase 208/230/460 VAC	- Parallel Shaft Gearhead	- 30 :1	-	- 1-1/8 in.	- Terminal Box	- 535 lb-in 60.4 N·m	- 57	- Power-Off Activated Brake	- IP44	-	Add To Cart Request Quote

Item #

Frame Size

Mount

Output Power

Voltage (VAC)

Shaft/Gear Type

Gear Ratio (X:1)

Shaft Arrangement

Output Shaft Diameter

Type

Rated Torque

Rated Speed (rpm)

Brake Type

Degree of Protection

List Price

Add To Cart / Contact Sales

G3F40N100-BBM4S

- 10.63 in270 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 100 :1

- 1-5/8 in.

- Terminal Box

- 3241 lb-in 366.2 N·m

- 17

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F40N120-BBM4S

- 10.63 in270 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 120 :1

- 1-5/8 in.

- Terminal Box

- 3889 lb-in 439.4 N·m

- 14

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F40N160-BBM4S

- 10.63 in270 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 160 :1

- 1-5/8 in.

- Terminal Box

- 5185 lb-in 585.8 N·m

- 10.60

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F40N200-BBM4S

- 10.63 in270 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 200 :1

- 1-5/8 in.

- Terminal Box

- 6481 lb-in 732.3 N·m

- 8.50

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N030-BBR4S

- 11.81 in299.97 mm

- Flange Mount

- 3 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 30 :1

- 2 in.

- Terminal Box

- 2939 lb-in 332.1 N·m

- 57

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N040-BBR4S

- 11.81 in299.97 mm

- Flange Mount

- 3 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 40 :1

- 2 in.

- Terminal Box

- 3797 lb-in 429 N·m

- 42

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N050-BBR4S

- 11.81 in299.97 mm

- Flange Mount

- 3 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 50 :1

- 2 in.

- Terminal Box

- 4751 lb-in 536.8 N·m

- 34

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N060-BBR4S

- 11.81 in299.97 mm

- Flange Mount

- 3 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 60 :1

- 2 in.

- Terminal Box

- 5696 lb-in 643.6 N·m

- 28

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N080-BBR4S

- 11.81 in299.97 mm

- Flange Mount

- 3 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 80 :1

- 2 in.

- Terminal Box

- 7595 lb-in 858.1 N·m

- 21

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N100-BBP4S

- 11.81 in299.97 mm

- Flange Mount

- 2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 100 :1

- 2 in.

- Terminal Box

- 6476 lb-in 731.7 N·m

- 17

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N100-BBR4S

- 11.81 in299.97 mm

- Flange Mount

- 3 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 100 :1

- 2 in.

- Terminal Box

- 9537 lb-in 1077.5 N·m

- 17

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N120-BBP4S

- 11.81 in299.97 mm

- Flange Mount

- 2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 120 :1

- 2 in.

- Terminal Box

- 7768 lb-in 877.7 N·m

- 14

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N160-BBP4S

- 11.81 in299.97 mm

- Flange Mount

- 2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 160 :1

- 2 in.

- Terminal Box

- 10317 lb-in 1165.7 N·m

- 10.60

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3F50N200-BBP4S

- 11.81 in299.97 mm

- Flange Mount

- 2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 200 :1

- 2 in.

- Terminal Box

- 10838 lb-in 1224.5 N·m

- 8.50

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K22N005-BBL4A

- 5.51 in139.95 mm

- Flange Mount

- 1/2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 5 :1

- 7/8 in.

- Terminal Box

- 89 lb-in 10.1 N·m

- 340

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K22N010-BBL4A

- 5.51 in139.95 mm

- Flange Mount

- 1/2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 10 :1

- 7/8 in.

- Terminal Box

- 178 lb-in 20.1 N·m

- 170

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K22N015-BBL4A

- 5.51 in139.95 mm

- Flange Mount

- 1/2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 15 :1

- 7/8 in.

- Terminal Box

- 268 lb-in 30.3 N·m

- 113

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K22N020-BBL4A

- 5.51 in139.95 mm

- Flange Mount

- 1/2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 20 :1

- 7/8 in.

- Terminal Box

- 357 lb-in 40.3 N·m

- 85

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K22N025-BBL4A

- 5.51 in139.95 mm

- Flange Mount

- 1/2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 25 :1

- 7/8 in.

- Terminal Box

- 446 lb-in 50.4 N·m

- 68

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K28N005-BBM4S

- 6.45 in163.83 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 5 :1

- 1-1/8 in.

- Terminal Box

- 167 lb-in 18.9 N·m

- 340

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K28N010-BBM4S

- 6.45 in163.83 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 10 :1

- 1-1/8 in.

- Terminal Box

- 335 lb-in 37.8 N·m

- 170

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K28N015-BBM4S

- 6.45 in163.83 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 15 :1

- 1-1/8 in.

- Terminal Box

- 502 lb-in 56.7 N·m

- 113

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K28N020-BBM4S

- 6.45 in163.83 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 20 :1

- 1-1/8 in.

- Terminal Box

- 669 lb-in 75.6 N·m

- 85

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K28N025-BBM4S

- 6.45 in163.83 mm

- Flange Mount

- 1 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 25 :1

- 1-1/8 in.

- Terminal Box

- 837 lb-in 94.6 N·m

- 68

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

G3K28N030-BBL4A

- 6.45 in163.83 mm

- Flange Mount

- 1/2 HP

- Three-Phase 208/230/460 VAC

- Parallel Shaft Gearhead

- 30 :1

- 1-1/8 in.

- Terminal Box

- 535 lb-in 60.4 N·m

- 57

- Power-Off Activated Brake

- IP44

Add To Cart
Request Quote

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Item #

Frame Size

Mount

Output Power

Voltage (VAC)

Shaft/Gear Type

Gear Ratio (X:1)

Shaft Arrangement

Output Shaft Diameter

Type

Rated Torque

Rated Speed (rpm)

Brake Type

Degree of Protection

List Price

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