Step - SYN®
A.C. Synchronous Motor
SS-302                   SS-202           SS-102          SS-72       SS-32                  
DESCRIPTION

These are basically two phase motors. Two-phase supply is normally not available, hence to operate the motors from single phase AC supply, second phase is artificially created by inserting a Capacitor and Resistor combination in series with one of the motor phase windings. Suitable combination of Capacitor and Resistor assembly is supplied along with the motor. The speed of revolution is 60 RPM at 50Hz. Instant stop & reversibility are achieved by means of a single-pole, double throw switch with center OFF position.

FEATURES
•

Instant start & stop.
•

The motors have permanent magnet on the toothed rotor. The rotor is locked with matching teeth on stator, as soon as power is switched OFF.
• Starting & running current are same.
• Maximum Torque is 15 to 20% higher than nominal torque.

ELECTRICAL SPECIFICATIONS
TYPE → SS-32 SS-72 SS-102 SS-202 SS-302
VOLTAGE 240V.A.C. 240V.A.C. 240V.A.C. 240V.A.C. 240V.A.C.
CURRENT 100mA 100mA 200mA 300mA 500mA
RESISTOR 1kΩ / 15W 1kΩ / 15W 1.8kΩ / 20W 800Ω / 100W 235Ω / 200W
CAPACITOR 0.7mfd /
400V.A.C. 		0.7mfd /
400V.A.C.		 1.0mfd /
400V.A.C.		 3.0mfd /
400V.A.C.		 4.0mfd /
400V.A.C.
NOM.TORQUE 3kg cm 7kg cm 10kg cm 20kg cm 30kg cm

MECHANICAL SPECIFICATIONS
 
DIMENSIONS →
TYPE ↓		 A B C D E F G ØH WT.
kg
SS-32 / SS-72 87SQ. 8 25 70 17 112 70SQ. 7 1.3
SS-102 108SQ. 9 25 75 12 112 85SQ. 8 2.0
All dimensions are in mm.
 
DIMENSIONS →
TYPE ↓		 A B C D E F G ØH WT.
kg
SS-202 108SQ. 9 34 104 21 159 85SQ. 8 3.4
SS-302 108SQ. 9 34 132 21 187 85SQ. 8 4.5
All dimensions are in mm.

ORDERING INFORMATION
1) Type

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