PM Synch. Gearmotor
1.5 to 120 RPM at 60 Hz

Benefits: Minimal Envelope
Impedance protection
Totally enclosed construction
Continuous duty
Synchronous speed
U.L. approved construction
Reversible balanced winding Typical Applications: Automatic merchandising equipment
Business equipment
Duplicating machines
Computers
Valve operators Motor Specifications:

• 4 pole, 2 coil single phase permanent magnet motor
• 4 wire reversible balanced winding
• 6 to 240 volts A.C., 50 or 60 Hz

Gear Reducer:

• Output torque to 50 inch pounds
• Output speed 1.5 to 120 RPM
• Self-lubricating Delrin gears for light loads
• Hardened alloy steel and powdered iron gears for higher torque requirements
• Precision zinc die cast case
• Gear bearing shafts are highly polished and hardened for long life

Shaft:

• .250 O.D. or .312/7.94 O.D.
• Length and detail per application

Optional Features:

• Die cast gear box cover

PM Synch. Gearmotor
.8 to 80 RPM at 60 Hz

Benefits: Impedance protection
Totally enclosed construction
Continuous duty
Synchronous speed
U.L. approved construction
Reversible balanced winding Typical Applications: Automatic merchandising equipment
Business equipment
Duplicating machines
Computers
Valve operators Motor Specifications:

• 4 pole, 2 coil single phase permanent magnet motor
• 4 wire reversible balanced winding
• 6 to 240 volts A.C., 50 or 60 Hz

Gear Reducer:

• Output torque to 60 inch pounds
• Output speed 1 to 80 RPM
• Self-lubricating Delrin gears for light loads
• Hardened alloy steel and powdered iron gears for higher torque requirements
• Precision zinc die cast case
• Gear bearing shafts are highly polished and hardened for long life

Shaft:

• .250 O.D. or .312/7.94 O.D.
• Length and detail per application

Optional Features:

• Die cast gear box cover

Hybrid 1.8° /Step

Benefits: Smooth Performance with ±5% step accuracy
Powerful rare earth magnets
High torque-to-inertia ratios
Laminated stator for optimum
step accuracy and low hysteresis
Primary Application: High performance disc drives
Motor Specifications:

• Step abgle: 1.8 deg/li>
• Step angle accuracy:± 5 min.
• Holding torque: 2.5kg-cm
• Temperature rise:80°C max
• Ambient temperature range: -20 to +50° C
• Insulation class:B
• Insulation resistance:100MΩ min. @500 VDC
• Dielectric strength:500 Vac for 1 minute
• Radial play: 0.02 mm max. (at 450g load)
• End play:0.03 mm max. (at 450g load)
• Rotor inertia:55g-cm²
• Weight:360g
• Option:double shaft
• Rated voltage:1.3V to 24V

Hybrid 1.8° / Step

Benefits: Smooth Performance with ±5% step accuracy
Powerful rare earth magnets
High torque-to-inertia ratios
Laminated stator for optimum
step accuracy and low hysteresis
Primary Application: High performance disc drives
Motor Specifications:

• Step angle: 1.8 deg/li>
• Step angle accuracy:± 5 min.
• Detent torque:600 g-cm
• Holding torque: 10.0kg-cm
• Temperature rise:80°C max
• Ambient temperature range: -20 to +50° C
• Insulation class:B
• Insulation resistance:100MΩ min. @500 VDC
• Dielectric strength:500 Vac for 1 minute
• Radial play: 0.02 mm max. (at 450g load)
• End play:0.08 mm max. (at 450g load)
• Rotor inertia:560g-cm²
• Weight:1400g
• Option:double shaft
• Rated voltage:1.7V to 14V

Can Stack 15° / Step

Benefits: Low cost sheet metal construction
Sintered bronze bearings
Class B insulation
Compact size
Primary Application: Printer ribbon drives
Motor Specifications:

• Step angle: 15 deg
• Step angle accuracy:± 7%²
• Holding torque:150kg-cm
• Detent torque:40 g-cm
• Temperature rise:80°C max
• Insulation class:B
• Insulation resistance:100MΩ min. @500 VDC
• Dielectric strength:500 Vac for 1 minute
• Radial play: 0.02 mm max.(4)
• End play:0.03 mm max.(4)
• Rotor inertia:4g-cm²
• Weight:100g
• Rated voltage:8V to 24V

Can Stack 18° / Step

Benefits: Low cost sheet metal construction
Sintered bronze bearings
Class B insulation
Compact size
Primary Application: Printer ribbon drives
Motor Specifications:

• Step angle: 18 °
• Step angle accuracy:± 8%²
• Holding torque:220kg-cm
• Detent torque:40 g-cm
• Temperature rise:80°C max
• Insulation class:B
• Insulation resistance:100MΩ min. @500 VDC
• Dielectric strength:500 Vac for 1 minute
• Radial play: 0.02 mm max.(4)
• End play:0.03 mm max.(4)
• Rotor inertia:4g-cm²
• Weight:100g
• Rated voltage:5V
• Resistance/phase:27Ω

Hybrid 0.9° / Step

Benefits: Smooth performance with
± 5% step accuracy, standard ( ± 3% available) Powerful rare earth magnets
High torque-to-inertia ratios
Laminated stator for optimum
step accuracy and low hysteresis
Magnetic shielding to minimize flux leakage
Primary Application: High performance disk drives
Motor Specifications:

• Step angle: 0.9°
• Step angle accuracy:± 5%²
• Holding torque:900 g-cm
• Detent torque:72 g-cm
• Insulation resistance:100MΩ min. @500 VDC
• Dielectric strength:500 Vac for 1 minute

Mechanical Specifications:

• Radial play:0.02 mm max (450 g load)
• End play: 0.08 mm max (450 g load)
• Rotor inertia:17 g-cm²
• Weight:200 g
• Shaft runout: 0.08 mm max
• Rated voltage:Bipolar - 9.2 V -38Ω
  Unipolar - 14.0 V - 18Ω
• Option:double shaft

(Hybrid 3.75° / Step)

(Hybrid 3.6° / Step)

(Hybrid 1.8° / Step)

Benefits: Powerful rare earth magnets
High torque-to-inertia ratios
Laminated stator for optimum
step accuracy and low hysteresis
Primary Application: High performance disk drives
Motor Specifications:

• Step angle: 3.75(MMS-17037)°
  3.6(MMS-17036)°
  1.8(MMS-17018)°
• Step angle accuracy:± 5%²
• Holding torque:2.5 g-cm
• Temperature rise:80° C max
• Ambient temperature range:-20 to +50° C
• Insulation class:B
• Insulation resistance:100MΩ min. @500 VDC
• Dielectric strength:1minute at AC 500V
• Radial play:0.02 mm max (450 g load)
• End play: 0.08 mm max (450 g load)
• Rotor inertia:17 g-cm²
• Weight:200 g
• Option:double shaft
• Rated voltage: 2.1 V to 12V