BXH Models

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Features of BXH Models

These are dry, spring-actuated brakes that are compact and dedicated for holding and emergency braking.They provide double the brake torque of BXL models of the same size. They naturally satisfy 100% of the rated torque values from the initial use, so the customer does not need to break them in.

Model	Size	Static friction torque Ts ［N・m］	Coil (at 20℃)	Heat resistance class	Lead wire	Max. rotation speed ［min^-1］	Rotating part moment of inertia J ［kg・m²］	Allowable braking energy rate Ebaℓ ［J］	Total braking energy ET ［J］	Armature pull-in time ta ［s］	Armature release time tar ［s］	Mass ［kg］
Voltage ［V］	Wattage［W］	Current ［A］	Resistance ［Ω］	UL style	Size
BXH-06-10	06	4	DC24	15	0.63	38.4	F	UL3398	AWG22	5000	3.25×10^-5	700	2.0×10⁶	0.040	0.020	0.9
DC45	12	0.27	169
DC90	0.13	677
BXH-08-10	08	8	DC24	22.5	0.94	25.6	F	UL3398	AWG18	5000	5.75×10^-5	1100	3.5×10⁶	0.045	0.020	1.3
DC45	19	0.41	110
DC90	0.21	440
BXH-10-10	10	16	DC24	28	1.14	21.1	F	UL3398	AWG18	4000	1.30×10^-4	1300	6.2×10⁶	0.070	0.025	2.3
DC45	25	0.54	83
DC90	0.27	331
BXH-12-10	12	32	DC24	35	1.46	16.5	F	UL3398	AWG18	3600	3.20×10^-4	1600	9.0×10⁶	0.090	0.025	3.4
DC90	30	0.33	271
BXH-16-10	16	44	DC24	39	1.64	14.6	F	UL3398	AWG18	3000	6.93×10^-4	2200	11.4×10⁶	0.125	0.030	5.4
DC90	0.43	207	F

Options of BXH Models

Release Levers *Made to Order

Option no.: 12
In addition to the manual release tap of the standard product, we also offer an optional manual release lever. See the dimensions table below for the dimensions of brakes with release levers.
Please contact Miki Pulley for other specification values.

[Dimensions]

Unit (mm)

Model	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R	Y	U	V	S	a	d	b	t
BXH-06-12	83	73	73	28	26.5	22	42.8	3	10	20.5	49.5	14	33.7	20	2.9	105	24	4.5	81	73	20	9	0.15	11	4	1.5
BXH-08-12	96	86	86	35	32	25	45.4	3	12	20	56	17	35.3	20.8	4	122	27	5.5	95	85	20	10.5	0.2	14	5	2
BXH-10-12	116	104	104	42	38	30	53.9	3	9.5	21	63	25	42.2	25.3	4.5	162.5	32.5	6.5	130	103	28	12.5	0.25	19	6	2.5
BXH-12-12	138	124	124	50	45	35	58.3	4	12	19	70	30	45.4	23.3	5	200	40	6.5	160	121	36	12.5	0.25	24	8	3
BXH-16-12	158	142	143	59	55	45	66.5	4	14	22.5	72.5	35	53.3	27.7	6	230	44	9	186	140	36	15.5	0.25	28	8	3

Quiet Mechanism (Silencing Spring)*Made to Order

Option no.: S1
There is a extremely small structural backlash (see figure on the below) between the rotor and the rotor hub. In applications that are prone to microvibrations of the drive shaft such as single-phase motors, this backlash may produce rattling (banging). The silencing spring for the rotor hub reduces this rattling.

List of Option Numbers *Made to Order

Description of options	No quiet mechanism	With silencing spring
No release lever	10	10S1
Has release lever	12	12S1

*Option 10 uses standard specifications.

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Basic Specifications

Clutch torque 17.5 N･m to 2200 N･m

Operating temperature 0℃ to 40℃

Backlash Zero

BES Models （For ordinary high-speed control）

Basic Specifications

Input voltage AC 100 V, AC 200 V

Output voltage Overexcitation DC 90 V, DC 180 V, constant excitation DC 24 V,DC 45 V,DC 90 V

Operating temperature -10℃ to 50℃

Basic Specifications

Input voltage AC 100 V, AC 200 V, AC 400 V

Output voltage DC 45 V, DC 90 V, DC 180 V

Operating temperature -10℃ to 60℃

Basic Specifications

Brake torque 2.4 N･m to 10 N･m

Operating temperature -10℃ to 40℃

Backlash Zero

Size	A	B	C	D	r	E	F	H	I	J	K	L	M	N	R	S	T	U	V	a	d	b	t
06	83	73	73	28	R1	26.5	22	3	10	20.5	39.5	14	33.6	20	4.5	9	2－M5	30゜	-	0.15	11	4	1.5
08	96	86	86	35	R1	32	25	3	12	20	41	17	35	20.8	5.5	10.5	2－M5	30゜	-	0.15	14	5	2
10	116	104	104	42	R1	38	30	3	9.5	21	47.5	25	41	25.3	6.5	12.5	2－M6	30゜	-	0.2	19	6	2.5
12	138	124	124	50	R1	45	35	4	12	19	49.8	30	43.5	23.3	6.5	12.5	4－M6	30゜	45゜	0.2	24	8	3
16	158	142	143	59	R1	55	45	4	14	22.5	57.5	35	51	27.7	9	15.5	4－M8	40゜	40゜	0.25	28	8	3

BXH Models

Features of BXH Models

BXH Models Specifications

Options of BXH Models

Release Levers *Made to Order

Quiet Mechanism (Silencing Spring)*Made to Order

List of Option Numbers *Made to Order

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