E21NCHT-LDN-SS-03 by Kollmorgen
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The E21NCHT-LDN-SS-03 hybrid stepper motor delivers 2.43 Nm holding torque, 8.4 A rated current per phase, and supports radial forces up to 180 lbs. Part of the E Hybrid Stepper Motors series from Kollmorgen, it features a 0.7500-inch shaft and a rotor inertia of 0.0083 kg-m^2.
Technical Specifications
Axial Force Capacity
Up to 35 lbs (~156 N)
Up to 35 lbs (~156 N)
Front Shaft Configuration
Varies, including DFlat and woodruff keys for certain setups
Varies, including DFlat and woodruff keys for certain setups
Holding Torque
369 oz-in (2.43 Nm for enhanced series variants)
369 oz-in (2.43 Nm for enhanced series variants)
Leadwire Construction
#18-22 AWG minimum depending on type of motor leads
#18-22 AWG minimum depending on type of motor leads
Maximum Length From L1
10.56 inches (268.23 mm)
10.56 inches (268.23 mm)
Phase Inductance
1.0mH typical
1.0mH typical
Phase Resistance
0.13 Ohms (parallel mode)
0.13 Ohms (parallel mode)
Radial Force Support
180 lbs (~801 N)
180 lbs (~801 N)
Rated Current/phase
8.4 Amps
8.4 Amps
Rotor Inertia
0.0083 (kg-m2 x 10^-3)
0.0083 (kg-m2 x 10^-3)
Round Mounting Configuration
R with Ø2.186 ± 0.002 inches [55.52 ± 0.051 mm]
R with Ø2.186 ± 0.002 inches [55.52 ± 0.051 mm]
Splashproof Construction
Includes terminal board connections with L or M options
Includes terminal board connections with L or M options
Standard Shaft Configuration
0.7500 inches (19.05 mm)
0.7500 inches (19.05 mm)
System Construction Connection
MS connector with encoder option
MS connector with encoder option
Thermal Resistance
Varies slightly with different constructions
Varies slightly with different constructions
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