BMM Models

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Features of BMM Models

These incorporate internal electromagnetic-actuated brakes and compact power supplies without changing the dimensions of the general-purpose motor.As electromagnetic-actuated brakes, these models brake motor shafts when current runs through the brake coil. Shutoff of the current to the brake coil instantly releases the brake. Brake torque is transmitted using a constant-load disc spring, so braking is always reliable.

BMM Models Specifications

BMM Models

[Specifications]

Model	Motor	Brake	Rotating part moment of inertia [kg･m²]	Allowable braking energy rate Pbaℓ [W]	Total braking energy ET [J]	Operating time	Mass ［kg］
Frame	Output [kW] 4P	Torque T [N･m]	Coil(at20℃)	Heat resistance class	Gap	Armature pull-in time ta [s]	armature release time tar[s]
Voltage [V]	Current [A]	Resistance [Ω]	Wattage [W]	Specified value [mm]	Limit value [mm]
BMM-024-NHBN	63	0.2	2.5	DC180	0.06	2956	11	B	0.10～0.20	0.30	0.9×10^-3	11	5.0×10⁷	0.015	0.015	7
BMM-024-NHFN	63	0.2	2.5	DC180	0.06	2956	11	B	0.10～0.20	0.30	0.9×10^-3	11	5.0×10⁷	0.015	0.015	8
BMM-044-NHB	71	0.4	5	DC180	0.07	2458	12.6	B	0.10～0.20	0.35	2.4×10^-3	26.2	7.0×10⁷	0.030	0.030	9
BMM-044-NHF	71	0.4	5	DC180	0.07	2458	12.6	B	0.10～0.20	0.35	2.4×10^-3	26.2	7.0×10⁷	0.030	0.030	10
BMM-074-HPB	80	0.75	10	DC180	0.089	2039	16	B	0.15～0.25	0.45	3.8×10^-3	32.7	17.0×10⁷	0.040	0.040	14.5
BMM-074-HPF	80	0.75	10	DC180	0.089	2039	16	B	0.15～0.25	0.45	3.8×10^-3	32.7	17.0×10⁷	0.040	0.040	16.5
BMM-154-HPB	90	1.5	20	DC180	0.123	1466	22.1	B	0.15～0.25	0.70	9.5×10^-3	45.8	25.0×10⁷	0.060	0.060	22
BMM-154-HPF	90	1.5	20	DC180	0.123	1466	22.1	B	0.15～0.25	0.70	9.5×10^-3	45.8	25.0×10⁷	0.060	0.060	25
BMM-224-HPB	100	2.2	30	DC180	0.167	1080	30	B	0.20～0.30	1.00	15.2×10^-3	58.9	50.0×10⁷	0.070	0.070	32
BMM-224-HPF	100	2.2	30	DC180	0.167	1080	30	B	0.20～0.30	1.00	15.2×10^-3	58.9	50.0×10⁷	0.070	0.070	37
BMM-374-HPB	112	3.7	50	DC180	0.17	1059	30.6	B	0.20～0.30	1.10	22.6×10^-3	73.6	75.0×10⁷	0.070	0.080	42
BMM-374-HPF	112	3.7	50	DC180	0.17	1059	30.6	B	0.20～0.30	1.10	22.6×10^-3	73.6	75.0×10⁷	0.070	0.080	47

Model

Motor

Brake

Rotating part moment of inertia
[kg･m²]

Allowable braking energy rate Pbaℓ
[W]

Total braking energy ET
[J]

Operating time

Mass
［kg］

Frame

Output
[kW]
4P

Torque T
[N･m]

Coil(at20℃)

Heat resistance class

Gap

Armature pull-in time ta
[s]

armature release time tar[s]

Voltage
[V]

Current
[A]

Resistance
[Ω]

Wattage
[W]

Specified value
[mm]

Limit value
[mm]

BMM-024-NHBN

0.2

2.5

DC180

0.06

2956

0.10～0.20

0.30

0.9×10^-3

5.0×10⁷

0.015

BMM-024-NHFN

0.2

2.5

DC180

0.06

2956

0.10～0.20

0.30

0.9×10^-3

5.0×10⁷

0.015

BMM-044-NHB

0.4

DC180

0.07

2458

12.6

0.10～0.20

0.35

2.4×10^-3

26.2

7.0×10⁷

0.030

BMM-044-NHF

0.4

DC180

0.07

2458

12.6

0.10～0.20

0.35

2.4×10^-3

26.2

7.0×10⁷

0.030

BMM-074-HPB

0.75

DC180

0.089

2039

0.15～0.25

0.45

3.8×10^-3

32.7

17.0×10⁷

0.040

14.5

BMM-074-HPF

0.75

DC180

0.089

2039

0.15～0.25

0.45

3.8×10^-3

32.7

17.0×10⁷

0.040

16.5

BMM-154-HPB

1.5

DC180

0.123

1466

22.1

0.15～0.25

0.70

9.5×10^-3

45.8

25.0×10⁷

0.060

BMM-154-HPF

1.5

DC180

0.123

1466

22.1

0.15～0.25

0.70

9.5×10^-3

45.8

25.0×10⁷

0.060

BMM-224-HPB

100

2.2

DC180

0.167

1080

0.20～0.30

1.00

15.2×10^-3

58.9

50.0×10⁷

0.070

BMM-224-HPF

100

2.2

DC180

0.167

1080

0.20～0.30

1.00

15.2×10^-3

58.9

50.0×10⁷

0.070

BMM-374-HPB

112

3.7

DC180

0.17

1059

30.6

0.20～0.30

1.10

22.6×10^-3

73.6

75.0×10⁷

0.070

0.080

BMM-374-HPF

112

3.7

DC180

0.17

1059

30.6

0.20～0.30

1.10

22.6×10^-3

73.6

75.0×10⁷

0.070

0.080

※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.（made by Hitachi Industrial Equipment Systems）

※Motor input power sources are three phase, AC 200V/50Hz、AC200V・AC220V/60Hz.

※For the brake motor's braking frequency tolerance, please refer to the design's points for confirmation pages. More detailed frequency data depends on load conditions, so please confirm through selective calculation.

[Dimensions1]

Base mounting

Unit [mm]

Model	Dimensions of part
L	R	A	B	D	KL	H	C	F	E	N	M	G	Z	S	W	U	T	Q	V
BMM-024-NHBN	215	103	112	80	130	115	128	63	40	50	100	130	3.2	7×21	11 h6	－	1	－	23	－
BMM-044-NHB	235.5	120	115.5	87	145	131	143.5	71	45	56	115	140	3.2	7×20	14 j6	5	3	5	30	M5×0.8length18
BMM-074-HPB	280.5	140	140.5	97	163	138.5	161.5	80	50	62.5	125	160	3.2	10×25	19 j6	6	3.5	6	40	M6×1length20
BMM-154-HPB	321	168.5	152.5	114.5	182	144	178	90	62.5	70	155	170	10	10	24 j6	8	4	7	50	M6×1length20
BMM-224-HPB	368.5	193	175.5	129	198	151	197.5	100	70	80	175	195	12.5	12	28 j6	8	4	7	60	M6×1length20
BMM-374-HPB	397	200	197	136	225	164	219.5	112	70	95	175	224	14	12	28 j6	8	4	7	60	M6×1length20

Model

Dimensions of part

BMM-024-NHBN

215

103

112

130

115

128

100

130

3.2

7×21

11 h6

－

BMM-044-NHB

235.5

120

115.5

145

131

143.5

115

140

3.2

7×20

14 j6

M5×0.8length18

BMM-074-HPB

280.5

140

140.5

163

138.5

161.5

62.5

125

160

3.2

10×25

19 j6

3.5

M6×1length20

BMM-154-HPB

321

168.5

152.5

114.5

182

144

178

62.5

155

170

24 j6

M6×1length20

BMM-224-HPB

368.5

193

175.5

129

198

151

197.5

100

175

195

12.5

28 j6

M6×1length20

BMM-374-HPB

397

200

197

136

225

164

219.5

112

175

224

28 j6

M6×1length20

[Dimensions2]

Flange mounting

Unit [mm]

Model	Dimensions of part
L	LR	LL	D	KL	LC	LB	LA	LE	LG	LZ	S	W	U	T	Q	V
BMM-024-NHFN	241	23	218	130	115	160	110	130	3.5	8	10	11h6	－	1	－	23	－
BMM-044-NHF	256.5	30	226.5	145	124.5	160	110	130	3.5	10	10	14 j6	5	3	5	30	M5×0.8length18
BMM-074-HPF	295	40	255	163	132	200	130	165	3.5	12	12	19 j6	6	3.5	6	40	M6×1length20
BMM-154-HPF	341	50	291	176	144	200	130	165	3.5	12	12	24 j6	8	4	7	50	M6×1length20
BMM-224-HPF	388.5	60	328.5	195	151	250	180	215	4.0	16	14.5	28 j6	8	4	7	60	M6×1length20
BMM-374-HPF	422	60	362	215	164	250	180	215	4.0	16	14.5	28 j6	8	4	7	60	M6×1length20

Model

Dimensions of part

BMM-024-NHFN

241

218

130

115

160

110

130

3.5

11h6

－

BMM-044-NHF

256.5

226.5

145

124.5

160

110

130

3.5

14 j6

M5×0.8length18

BMM-074-HPF

295

255

163

132

200

130

165

3.5

19 j6

3.5

M6×1length20

BMM-154-HPF

341

291

176

144

200

130

165

3.5

24 j6

M6×1length20

BMM-224-HPF

388.5

328.5

195

151

250

180

215

4.0

14.5

28 j6

M6×1length20

BMM-374-HPF

422

362

215

164

250

180

215

4.0

14.5

28 j6

M6×1length20

Flange mounting

BMM Models

Features of BMM Models

BMM Models Specifications

Options of BMM Models

Models with Motor Terminal Blocks Mounted in Reverse *Made-to-order Parts

Models with High Motor Outputs of 5.5 kW to 11 kW *Made-to-order Parts

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