RWM(BS) Models

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Features of RWM(BS) Models

These are hollow-shaft geared motors with brakes that use spring-actuated brake motors for the motor part of the RWM.The brake is a spring-actuated type that brakes or holds instantly when power is cut off, with a release lever to manually release the brake. A small power supply is built into the terminal box, so wiring and handling are easy.

RWM(BS) Models Specifications

RWM (BS)

RWM (BS)

[Specifications1]

Model	Motor output[kW]	Poles	Power supply Voltage[V]/Frequency[Hz]	Speed reducer frame number	Speed reduction ratio						Mass［kg］
Model	Motor output[kW]	Poles	Power supply Voltage[V]/Frequency[Hz]	Speed reducer frame number	10	20	30	40	50	60	Mass［kg］
RWM-02BS-40-□	0.2	4	3-phase 200/50、200・220/60	40	1/10	1/20	1/30	1/40	1/50	1/60	8.3
RWM-04BS-50-□	0.4	4	3-phase 200/50、200・220/60	50	1/10	1/20	1/30	1/40	1/50	1/60	10.7
RWM-07BS-63N-□-IE3	0.75	4	3-phase 200/50、200・220/60	63N	1/10	1/20	1/30	1/40	1/50	1/60	24
RWM-15BS-75N-□-IE3	1.5	4	3-phase 200/50、200・220/60	75N	1/10	1/20	1/30	1/40	1/50	1/60	31

※Totally enclosed fan cooled motors in conformance with JIS C 4210 for 0.2kW･0.4kW motors, and JIS C 4213 for motors over 0.75 kW.

[Specifications2]

Model	Braking method	Brake rated torque [N･m]	Brake voltage [V]	Brake current [A]	Brake heat resistance class	Rated Brake	Motor moment of inertia[kg･m²]	Braking delay time[s]		Gap[mm]		Internal brake power source model
Model	Braking method	Brake rated torque [N･m]	Brake voltage [V]	Brake current [A]	Brake heat resistance class	Rated Brake	Motor moment of inertia[kg･m²]	AC separate switching off	DC separate switching off	Specified	Limit	Internal brake power source model
RWM-02BS-40-□	Spring-Actuated	2	DC 90	0.2	B	Continuity	0.58×10^-3	0.1	0.03	0.2	0.5	BEM-A-62
RWM-04BS-50-□	Spring-Actuated	4	DC 90	0.2	B	Continuity	0.8×10^-3	0.1	0.03	0.2	0.5	BEM-A-62
RWM-07BS-63N-□-IE3	Spring-Actuated	8	DC 90	0.61	B	Continuity	2.3×10^-3	0.15	0.05	0.2	0.5	BEM-A-64
RWM-15BS-75N-□-IE3	Spring-Actuated	15	DC 90	0.61	B	Continuity	4.5×10^-3	0.15	0.05	0.2	0.5	BEM-A-64

[Specifications3]

Model	Frequency[Hz]	Output shaft revolution speed[min^-1] and output shaft torque[N･m] in each deceleration ratio
		1/10		1/20		1/30		1/40		1/50		1/60
		Speed	Torque	Speed	Torque	Speed	Torque	Speed	Torque	Speed	Torque	Speed	Torque
RWM-02BS-40-□	50	141.5	11.7	70.8	21.5	47.2	28.9	35.4	35.8	28.3	39	23.6	36
RWM-02BS-40-□	60	170	9.7	85	17.9	56.7	24.1	42.5	29.8	34	35.5	28.3	36
RWM-04BS-50-□	50	138	24.3	69	44.6	46	60.9	34.5	75.6	27.6	73	23	68
RWM-04BS-50-□	60	165	20.3	82.5	37.3	55	51	41.3	63.2	33	73	27.5	68
RWM-07BS-63N-□-IE3	50	144	45.7	72	85.1	48	117	36	145	28.8	135	24	130
RWM-07BS-63N-□-IE3	60	173	38.3	86.5	71.3	57.7	97.6	43.3	123	34.6	135	28.8	130
RWM-15BS-75N-□-IE3	50	144	93.9	72	177	48	230	36	220	28.8	210	24	200
RWM-15BS-75N-□-IE3	60	171.5	79.2	85.8	150	57.2	211	42.9	220	34.3	210	28.6	200

※Output shaft revolution speed and output shaft torque values calculated at a 200V/50･60Hz rated value load. However, there are instances when output shaft torque is limited by the reducer tolerance.

[Dimensions]

Unit[mm]

Model	Dimensions of part												Dimensions of Output part
Model	A	A1	E	F	F1	F2	H	KL	L	X	X1	C	KE	LA	LB	LE	S	B1	B2	D	U	W
RWM-02BS-40-□	100	50	7	121.5	40	50	206	116	339	124	137	-	4-M6-8	75	60	2.5	30	78	26	18	20.8	6
RWM-04BS-50-□	120	60	7	144	50	60	226	116	377	124	137	-	4-M8-9	85	70	2.5	40	92	30	25	28.3	8
RWM-07BS-63N-□-IE3	144	72	5	179	63	72	263	128	486	162	183	100	8-M8-11	95	80	3	45	112	36	25	28.3	8
RWM-15BS-75N-□-IE3	178	89	-	209	75	86	296	135	560.5	182	203	105	8-M8-12	115	95	3	50	120	40	28	31.3	8

※Output component tap hole KE dimensions are: quantity-screw designation-screw depth; quantity refers to the quantity on one side.

Options of RWM(BS) Models

Output Flanges F- □

Dimensions

Unit[mm]

Model	A	B	C	D	E	F	G	H	J	K	L	M	N	P	Mass[kg]
F-30	25.5	6	6	4	4	50	68	80	70	6.5	55	65	75	4-⌀6.5	0.07
F-40	30.5	7	5	4	3.5	60	87	110	95	9	60	75	87	4-⌀6.5	0.14
F-50	46.5	9	8.5	5	4	70	90	125	110	11	70	85	100	4-⌀9	0.23
F-63	29	10	─	6	6	115	150	180	142	11	80	95	110	8-⌀9	0.29
F-75	54	13	─	6	7	130	165	200	170	14	95	115	140	8-⌀9	0.65

*The part can be attached to either the right or left flange part on the speed reducer. Attach it to either side.

*When attaching the output flange F-30, the speed reducer mounting hole and machine mounting hole are 45° out of place with each other.

Torque Arms TA- □

Dimensions

Unit[mm]

Model	A	B	C	D	E	F	G	H	T	Mass[kg]
TA-30	85	38	138	55	65	7	14	8	4	0.2
TA-40	100	44	162	60	75	7	14	9	4	0.23
TA-50	100	50	168	70	85	9	14	9	4	0.3
TA-63	150	55	223	80	95	9	14	9	6	0.58
TA-75	200	70	300	95	115	9	25	19	6	1.2

*The part can be attached to either the right or left flange part on the speed reducer. Attach it to either side.

*TA-40 to -75 models come with a rubber anti-vibration bushing inserted into the ⌀H part.

Output Covers OC- □

Dimensions

Unit[mm]

Model	P	M	K	N	C	B	S	H	L
OC-30	75	65	7	56	49	58	1	5	13
OC-40	87	75	8	62	51	64	1	5	13.5
OC-50	100	85	10	72	53	74	1	5	14
OC-63	110	95	10	82	61	84	1	5	15.5
OC-75	140	115	10	97	72	99	1	5	16.5

Related Product

P Models （single-type variable-pitch pulleys）

Basic Specifications

Standard applied motor output 0.2 kW to 3.7 kW （4-pole）

Speed change ratio Approx. 1:1.5

Outer diameter of pulley 86 mm to 218 mm

Basic Specifications

Rated output 0.2 kW to 3.7 kW

Power supply voltage Single-phase 100 or 200 V/50 Hz, 100 or 200 V/60 Hz

Speed change range 80 min.^-1 to 2500 min.^-1

PL Models （Single-type variable-pitch pulleys）

Basic Specifications

Standard applied motor output 0.2 kW to 1.5 kW （4-pole）

Speed change ratio Approx. 1:2

Outer diameter of pulley 116 mm to 212 mm

Basic Specifications

Motor output 0.2 kW to 1.5 kW （4-pole）

Power supply voltage Three-phase 200 V/50 Hz, 200 or 220 V/60 Hz

Speed reduction ratios 1/10, 1/20, 1/30, 1/40, 1/50, 1/60