Mini•Encoder Jewel of an Encoder

World’s Smallest NEMA3, Heavy Duty Encoder

Features:

Servo or Face mount
15 lb. Axial/Radial shaft load
1/4" stainless steel shaft
2 Single row bearings with shaft seal
Up to 720 count/rev resolution
NEMA 4/4X Hosdown construction
10-30VDC Power ET7272 Line drive outputs short circuit proof
NEMA 4 cable fitting

Specifications

Mechanical Dimensions and Electrical Specifications:

Input power voltage: 10VDC - 30VDC
Input power current: 100mA exclusive of load Reverse voltage protection: YES

Encoder Output Signals:

Max. voltage 30VDC, max. current/output: 40mA Line driver device: ET7272
“N” model: Sinking side of ET7272, no pull-up needed
High voltage: Vcc -0.5V @20mA source current Low voltage: 0.5V @ 20mA sink current

Temperature Specifications:

Operating: -10°C - 70°C Storage: -40°C - 85°C

Mechanical and Environmental Specifications

Housing	Size 15 1.5" dia.
Max. Starting Torque @ 25 deg C (oz. in.)	2
Moment of Inertia (oz*in^2)	2 x 10⁴
Max. Slew Speed (RPM)	5000
Shaft Size	1/4"
Max. Shaft Loading Axial and Radial	15 lb.
Bearing Life at Max. Mfr. Spec. (Rev.)	2 x 10⁹
Shock	100 g for 11 ms
Vibration	20 g to 2000 Hz
Enclosure	NEMA 4/IP 66