Stearns SM-1020, SM-1020WD, SM-2030B Catalog Page

Super-Mod® Clutch-Brake Modules:

SM-1020, SM-1020WD (Washdown)
and SM-2030B

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DIMENSIONS

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SM-1020

SM-1020WD

SM-2030B

• 56C through 215TC NEMA Frame Sizes

• 16 through 145 lb-ft Static Torque; 2400 Maximum RPM

• TENV – Totally Enclosed (Non-Ventilated) IP-54 Enclosure Protection, (IP-55 for Washdown Units)

• Listed by Underwriters Laboratories, Inc., File E-71115 and CSA Certified, File LR-6254

• Power-On Clutch and Brake* Engagement

• Maximu

m Overhung load capacity is 85 lbs

Performance Data, Ordering Information

Static

Torque

Thermal capacity rating is based on ambient temperature of 70°F at 1750 RPM.

Dynamic

Torque

lb-ft

16 10

35 20

75 44 180TC

145 86 210TC

lb-ft

NEMA
Frame

56C

140TC

Hub Bore
and Shaft

Diameter

5/8 hub

bore

5/8 shaft

7/8 hub

bore

7/8 shaft

1-1/8 hub

bore

1-1/8 shaft

1-3/8 hub

bore

1-3/8 shaft

Model

SM-50-1020 2-35-0561-01-A*L 5000 20 19

SM-50-1020B 2-35-0561-01-B*L 5000 22 19

SM-50-1020WD 2-35-0562-01-A*L 5000 20 19

SM-50-2030 2-35-0561-01-C*L 5000 24 19

SM-50-2030B 2-35-0561-01-D*L 5000 24 19

SM-100-1020 2-35-0561-02-A*L 5000 20 29

SM-100-1020B 2-35-0561-02-B*L 5000 22 29

SM-100-1020WD 2-35-0562-02-A*L 5000 20 29

SM-100-2030 2-35-0561-02-C*L 5000 24 29

SM-100-2030B 2-35-0561-02-D*L 5000 24 29

SM-180-1020 2-35-1401-02-A*O 5000 20 29

SM-180-1020B 2-35-1401-02-B*O 5000 22 29

SM-180-1020WD 2-35-1402-02-AJO 5000 20 29

SM-180-2030 2-35-1401-02-C*O 5000 24 29

SM-180-2030B 2-35-1401-02-D*O 5000 24 29

SM-210-1020 2-35-1801-03-A*R 7000 31 16

SM-210-1020B 2-35-1801-03-B*R 7000 31 16

SM-210-2030 2-35-1801-03-C*R 7000 37 16

SM-210-2030B 2-35-1801-03-D*R 7000 37 16

SM-250-1020 2-35-2101-04-A*U 5600 37 38

SM-250-1020B 2-35-2101-04-B*U 5600 37 38

SM-250-2030 2-35-2101-04-C*U 5600 37 38

SM-250-2030B 2-35-2101-04-D*U 5600 37 38

Part Number

Thermal

Capacity

(ft-lb/min)

Maximum

Wt.

Electrical

(lbs)



Power

(watts)

Voltage Table

Character Voltage

C
E

J

N 115 Vac

P 230 Vac

Hub Size Table for SM-1020’s

Character Bore Keyway

L
O
R
U

Options - Features Table

Series Character Description

SM-1020 A Basic unit

SM-1020B B Basic unit plus base

SM-2030 C

SM-2030B D

Specials available upon request.

* See Catalog 200 for our

complete selection of
power-off “fail safe” brakes

including the C-face to
C-face coupler units (Series
56,700 and 87,700).

12 Vdc

24-28 Vdc

90-100 Vdc

5

3

/8

/16 x 3/32

3

7/8

/16 x 3/32

1

11/8
13/8

/4 x 1/8

5

/16 x 5/32

Basic unit plus clutch
input adapter

Basic unit plus base &
clutch input adapter

SM Clutch-Brake Module Guide:

SM-1020 – Standard (direct-coupled)
SM-1020B – Standard with Base
SM-1020WD – IP-55 Washdown (available in

NEMA frame sizes 56C-145TC)

SM-2030 – Standard with Clutch Input Adapter
SM-2030B – Clutch Input Adapter Plus Base

Example of a complete part number:

2-35-0561-01-AJL

5

/8 hub
90-100 Vdc
Basic unit
0=Standard Unit
2= Without Gap Adjust

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