STEBON ‘S’ Series NEMA 34 Stepper Motors

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Frame Reference SDL850 and SDT850

Motors manufactured to STEBON ‘S’ Series NEMA 34 are available in three basic enclosures:

SDL motors are the common flying lead design with 8 leads out and manufactured to IP22.
SDT motors have a terminal box incorporated into the NDE bracket. The standard enclosure is to IP44. An alternative enclosure is to IP66.

Specification

Hybrid design.
1.8° Step angle (200 step per rev).
Unique 2-phase winding for use with bipolar drives only.
Class B insulation to IEC 60085 and BS2757.
Bearing loading, axial 160N max.
Bearing loading, radial 250N max.

Ratings

	Maximum Holding Torque	Maximum Detent Torque	Bipolar Amps per phase	Resistance per phase	Inductance per phase	Rotor Inertia	Weight
	Ncm	Ncm	Amps	Ohms	mH	kgcm²	kg
SDL/SDT851-850-24	1.5	0.05	2.4	0.89	5.2	0.60	2.2
SDL/SDT851-480-32			3.2	0.48	3.2
SDL/SDT851-250-45			4.5	0.24	1.5
SDL/SDT851-100-70			7.0	0.10	0.6
SDL/SDT852-740-39	3.5	0.08	3.9	0.74	6.5	1.25	3.2
SDL/SDT852-380-56			5.6	0.37	3.2
SDL/SDT852-250-70			7.0	0.25	2.0
SDL/SDT852-200-79			7.9	0.19	1.6
SDL/SDT852-150-90			9.0	0.15	1.2
SDL/SDT853-1000-37	5.0	0.10	3.7	0.99	11.6	2.00	4.0
SDL/SDT853-500-54			5.4	0.50	5.6
SDL/SDT853-250-75			7.5	0.25	2.9
SDL/SDT853-200-85			8.5	0.20	2.3
SDL/SDT853-150-100			10.0	0.16	1.6
SDL/SDT853-100-120			12.0	0.11	1.2

Dimensions (mm)

SDL

Frame Size	L
Frame Size	(IP22)
SDL851	73
SDL852	105
SDL853	138

SDT

Frame Size	L	L
Frame Size	(IP44)	(IP66)
SDT851	98	117
SDT852	131	149
SDT853	163	182

Page 7 from STEBON Motor Catalogue: Publication M1298

The above information is believed to be correct. Its accuracy or completeness is not guaranteed, nor is the suitability of any product for any given purpose implied.

Total Motion Systems Ltd reserves the right to supply products which may differ slightly from those described above.