BMS Models

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Features of BMS Models

These incorporate internal spring-actuated brakes and compact power supplies without changing the dimensions of the general-purpose motor.Because these brake models are spring-actuated, the motor shaft rotates when power is on and stops when current is shut off. They are at their best in emergency braking when power goes out. They are also equipped with release levers so that the brake can be released manually from a holding state when the power is off.

BMS Models Specifications

BMS Models

[Specifications]

Model	Motor	Brake	Rotating part moment of inertia [kg･m²]	Allowable braking energy rate Pbaℓ[W]	Total braking energy [J]	Operating time	Mass [kg]
Frame number	Output [kW] 4P	torque T [N･m]	Coil(at20℃)	Heat resistance class	Gap	Armature pull-in time ta[s]	Coastdown time
Voltage [V]	Current [A]	Resistance [Ω]	Wattage [W]	Specified value [mm]	Limit value [mm]	Simulta- neous off[s]	DC separate switching off[s]
BMS-024-NHBN	63	0.2	2	DC90	0.20	440	18	B	0.15～0.25	0.40	0.8×10^-3	18	3.5×10⁷	0.04	0.1	0.08	7.5
BMS-024-NHFN	63	0.2	2	DC90	0.20	440	18	B	0.15～0.25	0.40	0.8×10^-3	18	3.5×10⁷	0.04	0.1	0.08	8.5
BMS-044-NHB	71	0.4	4	DC90	0.28	324	25	B	0.15～0.25	0.40	1.5×10^-3	26.2	7.0×10⁷	0.05	0.1	0.08	10
BMS-044-NHF	71	0.4	4	DC90	0.28	324	25	B	0.15～0.25	0.40	1.5×10^-3	26.2	7.0×10⁷	0.05	0.1	0.08	11
BMS-074-HPB	80	0.75	8	DC90	0.33	270	30	B	0.20～0.30	0.50	4.3×10^-3	29.4	12.5×10⁷	0.05	0.14	0.09	16.5
BMS-074-HPF	80	0.75	8	DC90	0.33	270	30	B	0.20～0.30	0.50	4.3×10^-3	29.4	12.5×10⁷	0.05	0.14	0.09	19
BMS-154-HPB	90	1.5	15	DC90	0.34	261	31	B	0.20～0.30	0.60	8.1×10^-3	45.8	20.0×10⁷	0.11	0.15	0.09	23
BMS-154-HPF	90	1.5	15	DC90	0.34	261	31	B	0.20～0.30	0.60	8.1×10^-3	45.8	20.0×10⁷	0.11	0.15	0.09	26

Model

Motor

Brake

Rotating part moment of inertia
[kg･m²]

Allowable braking energy rate Pbaℓ[W]

Total braking energy
[J]

Operating time

Mass
[kg]

Frame number

Output
[kW]
4P

torque T
[N･m]

Coil(at20℃)

Heat resistance class

Gap

Armature pull-in time ta[s]

Coastdown time

Voltage
[V]

Current
[A]

Resistance
[Ω]

Wattage
[W]

Specified value
[mm]

Limit value
[mm]

Simulta-
neous off[s]

DC separate switching off[s]

BMS-024-NHBN

0.2

DC90

0.20

440

0.15～0.25

0.40

0.8×10^-3

3.5×10⁷

0.04

0.1

0.08

7.5

BMS-024-NHFN

0.2

DC90

0.20

440

0.15～0.25

0.40

0.8×10^-3

3.5×10⁷

0.04

0.1

0.08

8.5

BMS-044-NHB

0.4

DC90

0.28

324

0.15～0.25

0.40

1.5×10^-3

26.2

7.0×10⁷

0.05

0.1

0.08

BMS-044-NHF

0.4

DC90

0.28

324

0.15～0.25

0.40

1.5×10^-3

26.2

7.0×10⁷

0.05

0.1

0.08

BMS-074-HPB

0.75

DC90

0.33

270

0.20～0.30

0.50

4.3×10^-3

29.4

12.5×10⁷

0.05

0.14

0.09

16.5

BMS-074-HPF

0.75

DC90

0.33

270

0.20～0.30

0.50

4.3×10^-3

29.4

12.5×10⁷

0.05

0.14

0.09

BMS-154-HPB

1.5

DC90

0.34

261

0.20～0.30

0.60

8.1×10^-3

45.8

20.0×10⁷

0.11

0.15

0.09

BMS-154-HPF

1.5

DC90

0.34

261

0.20～0.30

0.60

8.1×10^-3

45.8

20.0×10⁷

0.11

0.15

0.09

※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	P	C	Ｆ	E	N	M	G	Z	S	W	U	T	Q	V
BMS-024-NHBN	215	103	112	79	130	115	128	134	63	40	50	100	130	3.2	7×21	11 h6	－	1	－	23	－
BMS-044-NHB	244	120	124	87	145	141	143.5	150	71	45	56	115	140	3.2	7×20	14 j6	5	3	5	30	M5×0.8length18
BMS-074-HPB	299.5	140	150.5	97	163	148	161.5	168	80	50	62.5	125	160	3.2	10×25	19 j6	6	3.5	6	40	M6×1length20
BMS-154-NPB	329	168.5	160.5	114.5	182	144	178	188	90	62.5	70	155	170	10	10	24 j6	8	4	7	50	M6×1length20

Model

Dimensions of part

Ｆ

BMS-024-NHBN

215

103

112

130

115

128

134

100

130

3.2

7×21

11 h6

－

BMS-044-NHB

244

120

124

145

141

143.5

150

115

140

3.2

7×20

14 j6

M5×0.8length18

BMS-074-HPB

299.5

140

150.5

163

148

161.5

168

62.5

125

160

3.2

10×25

19 j6

3.5

M6×1length20

BMS-154-NPB

329

168.5

160.5

114.5

182

144

178

188

62.5

155

170

24 j6

M6×1length20

[Dimensions2]

Flange mounting

Unit [mm]

Model	Dimensions of part
L	LR	LL	D	KL	LC	Y	LB	LA	LE	LG	LZ	S	W	U	T	Q	V
BMS-024-NHFN	241	23	218	130	115	160	70	110	130	3.5	8	10	11 h6	－	1	－	23	－
BMS-044-NHF	265	30	235	145	134.5	160	79	110	130	3.5	10	10	14 j6	5	3	5	30	M5×0.8length18
BMS-074-HPF	305	40	265	163	142	200	88	130	165	3.5	12	12	19 j6	6	3.5	6	40	M6×1length20
BMS-154-HPF	349	50	299	176	144	200	98	130	165	3.5	12	12	24 j6	8	4	7	50	M6×1length20

Model

Dimensions of part

BMS-024-NHFN

241

218

130

115

160

110

130

3.5

11 h6

－

BMS-044-NHF

265

235

145

134.5

160

110

130

3.5

14 j6

M5×0.8length18

BMS-074-HPF

305

265

163

142

200

130

165

3.5

19 j6

3.5

M6×1length20

BMS-154-HPF

349

299

176

144

200

130

165

3.5

24 j6

M6×1length20

Flange mounting

BMS Models

Features of BMS Models

BMS Models Specifications

Options of BMS Models

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

Models Equipped with BEW2-2H Brake Rectifiers *Made-to-order Parts

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