Brushless Motors

ES030A 30mm Brushless DC Motor

The ES030A series brushless DC motor is a high torque density model brushless motor with a slotless design in a NEMA 14 configuration. It is offered in a 2 motor lengths with continuous torque from 0.029 - 0.041 Nm.

Features:

Speeds up to 8,000 RPM
DC bus voltage up to 60 Vdc
NEMA 14 configuration
Eight standard windings - Special windings available
4 Pole Rare Earth design

Videos:
NEW! Pittman Express Motor Calculator Tutorial
How Motor Curves are Created and How to Use Them
When should a gearbox be used in your DC motor application?

Specifications +

MOTOR DATA	Units	ES030A-1	ES030A-2
Max DC Terminal Voltage	V	60	60
Max Speed (Mechanical)	rpm	8000	8000
Continuous Stall Torque	Nm	0.029	0.041
Continuous Stall Torque	oz-in	4.1	5.8
Peak Torque (Maximum)	Nm	0.085	0.13
Peak Torque (Maximum)	oz-in	12	18
Rotor Inertia	kg m2	0.00000099	0.0000014
Rotor Inertia	oz-in-s2	0.00014	0.0002
Motor Weight	g	170	210
Motor Weight	oz	6.0	7.4

Dimensional Drawings +

Performance Curves +

ES030A-1 Speed Torque Performance Curve

S.O.A.C. = Safe Operating Area for Continuous duty

ES030A-2 Speed Torque Performance Curve

S.O.A.C. = Safe Operating Area for Continuous duty

NOTE: All values specified at 25°C ambient temperature. Peak values are theoretical and for reference only.

Winding Performance Data +

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ES030A-1	Units
Rated Voltage	V	12.0	15.2	19.1	24.0	30.3	38.2	48.0	60.6
Rated Torque	Nm	0.028	0.028	0.028	0.028	0.028	0.028	0.028	0.028
Rated Torque	oz-in	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0
Rated Speed	rpm	4140	3630	3950	4160	3600	4240	4160	3600
Rated Current	A	2.1	1.7	1.3	1.0	0.84	0.66	0.52	0.42
Rated Power	W	12	11	12	12	11	12	12	11
No Load Speed	rpm	7090	7180	7140	7110	7160	7150	7120	7160
No Load Current	A	0.12	0.092	0.072	0.057	0.046	0.036	0.029	0.023
Torque Constant	Nm/A	0.0159	0.0198	0.0250	0.0316	0.0395	0.0500	0.0631	0.0791
Torque Constant	oz-in/A	2.24	2.80	3.54	4.48	5.60	7.09	8.94	11.2
Voltage Constant	V/krpm	1.66	2.07	2.62	3.31	4.14	5.24	6.61	8.28
Terminal Resistance	Ω	1.98	3.55	5.25	7.9	14.2	19.6	31.6	56.8
Inductance	mH	0.18	0.32	0.46	0.70	1.28	1.83	2.80	5.12
Peak Current	A	6.1	4.3	3.6	3.0	2.1	1.9	1.5	1.1

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ES030A-2	Units
Rated Voltage	V	12.0	15.2	19.1	24.0	30.3	38.2	48.0	60.6
Rated Torque	Nm	0.038	0.037	0.038	0.037	0.038	0.037	0.037	0.038
Rated Torque	oz-in	5.4	5.3	5.3	5.2	5.3	5.2	5.2	5.3
Rated Speed	rpm	5170	5380	5320	5800	5350	5750	5800	5360
Rated Current	A	3.0	2.3	1.9	1.5	1.1	0.91	0.73	0.56
Rated Power	W	21	21	21	22	21	22	22	21
No Load Speed	rpm	7360	7190	7390	7410	7170	7390	7400	7170
No Load Current	A	0.20	0.15	0.13	0.097	0.072	0.061	0.048	0.037
Torque Constant	Nm/A	0.0153	0.0199	0.0243	0.0305	0.0397	0.0486	0.0610	0.0794
Torque Constant	oz-in/A	2.16	2.81	3.43	4.31	5.63	6.88	8.64	11.2
Voltage Constant	V/krpm	1.60	2.08	2.54	3.19	4.16	5.09	6.39	8.31
Terminal Resistance	Ω	1.10	1.63	2.67	3.62	6.52	9.32	14.5	26.0
Inductance	mH	0.12	0.19	0.29	0.48	0.76	1.16	1.92	3.04
Peak Current	A	9.3	7.2	5.7	4.8	3.6	2.9	2.3	1.8

Wiring Diagram +

Color	Signal
Brown	Phase A
Red	Phase B
Orange	Phase C
Grey	Hall 1
Blue	Hall 2
White	Hall 3
Violet	Hall +5 VDC
Black	Hall GND

Encoders +

E30C & E30D Encoder
The E30C & E30D optical incremental encoder was developed for volume OEM precision motion control applications and is the recommended encoder for the ES030A. The E30 offers a wide range of outputs, resolutions and connection solutions in a compact 30 mm by 8 mm size.

Features:

Resolutions from 200 to 2048
TTL Quadrature output
Frequency response to 220 kHz
Low power consumption, 5V @ 20mA max
Locking connector

Specifications

ENCODER DATA	SYMBOL	UNITS	E30C	E30D
Available Resolutions	-	-	200, 250, 256, 400, 500	500, 512, 1000, 1024, 2000, 2048
Output	-	-	2-Channel Quadrature	2-Channel Quadrature with Index
Output Interface	-	-	TTL Compatible	TTL Compatible
Supply Voltage	V_cc	VDC	4.5 to 5.5	4.5 to 5.5
Supply Current	I_cc	mA	20 max	20 max
High Level Output Voltage	V_OH	V	2.4 min	2.4 min
Low Level Output Voltage	V_OL	V	0.4 max	0.4 max
Max. Operating Frequency	f_max	kHz	40 (200-500 CPR)	55 (500-512 CPR)
				110 (1000-1024 CPR)
				220 (2000-2048 CPR)
Operating Temperature	θ_max	°C	-20 to +85	-20 to +85
Encoder Weight (Mass)	W_E	oz	0.2	0.2
Encoder Weight (Mass)	W_E	g	5.6	5.6

Dimensional Drawings

Connection Chart

PIN	COLOR	E30C	E30D	E30C¹	E30D¹
1	Black	Encoder Ground		Encoder Ground
2	White	V_cc		V_cc
3	Green/White	-		-	Index I̅
4	-	-		-
5	Blue/White	-		Channel A̅
6	Blue	Channel A		Channel A
7	Violet	Channel B		Channel B
8	Violet/White	-		Channel B̅
9	Green	-	Index	-	Index
10	Green/Yellow	Motor Ground		Motor Ground
E30C¹ & E30D¹: Optional Differential LD connections shown in grey

Recommended Encoder Data Sheets
E30C/D Encoder Data Sheet pdf

Gearboxes +

G30A Gearbox
The G30A is a 30mm planetary gearbox suitable for servo applications where DC Servo brush or BLDC motor technology is specified. The G30A provides maximum efficiency, minimum backlash, has a smaller mechanical footprint and is available with round and square mounting endbell configurations.

Features:

Sintered metal gears for high torque capacity
Sintered metal output bearing

Specifications

GEAR DATA	UNITS	G30A 4:1	G30A 6:1	G30A 16:1	G30A 24:1	G30A 36:1	G30A 64:1	G30A 96:1
Maximum Load	Nm	2.47	2.47	3.53	3.53	3.53	6.5	6.5
Maximum Load	oz-in	350	350	500	500	500	920	920
Weight (Mass)	g	110.6	110.6	124.7	124.7	124.7	138.9	138.9
Weight (Mass)	oz	3.9	3.9	4.4	4.4	4.4	4.9	4.9
Length (L_G)	mm	32.64	32.64	38.48	38.48	38.48	44.32	44.32
Length (L_G)	in	1.285	1.285	1.515	1.515	1.515	1.745	1.745
Stages	-	1	1	2	2	2	3	3
Ratio	-	4/1	6/1	16/1	24/1	36/1	64/1	96/1
Efficiency	-	0.90	0.90	0.81	0.81	0.81	0.73	0.73
Shaft Rotation	-	CW	CW	CW	CW	CW	CW	CW

GEAR DATA	UNITS	G30A 144:1	G30A 216:1	G30A 256:1	G30A 384:1	G30A 576:1	G30A 864:1	G30A 1296:1
Maximum Load	Nm	6.5	6.5	8.83	8.83	8.83	8.83	8.83
Maximum Load	oz-in	920	920	1250	1250	1250	1250	1250
Weight (Mass)	g	138.9	138.9	155.9	155.9	155.9	155.9	155.9
Weight (Mass)	oz	4.9	4.9	5.5	5.5	5.5	5.5	5.5
Length (L_G)	mm	44.32	44.32	50.17	50.17	50.17	50.17	50.17
Length (L_G)	in	1.745	1.745	1.975	1.975	1.975	1.975	1.975
Stages	-	3	3	4	4	4	4	4
Ratio	-	144/1	216/1	256/1	384/1	576/1	864/1	1296/1
Efficiency	-	0.73	0.73	0.66	0.66	0.66	0.66	0.66
Shaft Rotation	-	CW	CW	CW	CW	CW	CW	CW

Dimensional Drawings

Combined Length

G30A Gearmotor
Motor	Length L_GM mm
Stage	1	2	3	4
ES030A-1	91.6	97.5	103.3	109.2
ES030A-2	101.8	107.6	113.5	119.3

Recommended Gearbox Data Sheets
G30A Gearbox Sheet pdf

Alternate Gearbox Data Sheets
G40A Gearbox Sheet pdf

Drives +

Recommended Drives
PBL4850E

Alternate Drives
BGE6010