*mydirectindustry

Catalogs
VELMEX, Inc.
Item # PK245-01AA, Stepper Motor

Item # PK245-01AA, Stepper Motor

Product catalog summary

Overview: The PK series stepper motor is designed for balanced performance with high torque, low vibration, and low noise. It is part of the VEXTA® product line and features a 2-phase motor with a 1.65-inch square frame size and a round shaft.

Specifications:

Motor Type: 2-Phase
Frame Size: 1.65 in. sq.
Shaft Type: Round Shaft (No Gearhead)
Holding Torque: 61 oz-in (Bipolar Series), 45 oz-in (Unipolar)
Connection Type: Bipolar (Series), Unipolar
Lead Wires: 6
Current per Phase: 0.85 A (Bipolar Series), 1.2 A (Unipolar)
Voltage: 5.6 VDC (Bipolar Series), 4 VDC (Unipolar)
Resistance: 6.6 Ω/phase (Bipolar Series), 3.3 Ω/phase (Unipolar)
Inductance: 11.2 mH/phase (Bipolar Series), 2.8 mH/phase (Unipolar)
Step Angle: 1.8°
Rotor Inertia: 0.37 oz-in²
RoHS Compliant: Yes

Performance and Safety:

Insulation Resistance: 100 MΩ or more at 500 VDC
Dielectric Strength: Withstands 0.5 kVAC at 50/60 Hz for 1 minute
Temperature Rise: 176°F (80°C) or less
Insulation Class: Class B [266°F (130°C)]
Ambient Temperature Range: 14 ~ 122°F (-10 ~ 50°C)
Ambient Humidity: 85% or less (non-condensing)

Mechanical Specifications:

Shaft Runout: 0.05 mm (0.002 in.) T.I.R.
Concentricity: 0.075 mm (0.003 in.) T.I.R.
Perpendicularity: 0.075 mm (0.003 in.) T.I.R.
Radial Play: 0.025 mm (0.001 in.) max at 5 N (1.12 lb.)
Axial Play: 0.075 mm (0.003 in.) max at 10 N (2.2 lb.)
Step Accuracy: ±3 arc minutes (±0.05°)

Catalog excerpts

Item # PK245-01AA, Stepper Motor Stepper Motor The standard PK series stepper motor offers balanced performance enhanced by high torque, low vibration and low noise. SPECIFICATIONS Product Line Motor Type Motor Frame Size Shaft/Gear Type Round Shaft (No Gearhead) Holding Torque Bipolar (Series) 61 oz-in Unipolar 45 oz-in Connection Type Lead Wires Bipolar (Series) Unipolar

Open the catalog to page 1

Current per Phase (A/phase) 0.85 [Bipolar (Series)] 1.2 [Unipolar] 5.6 [Bipolar (Series)] 4 [Unipolar] Resistance (Ω/phase) 6.6 [Bipolar (Series)] 3.3 [Unipolar] Inductance (mH/phase) 11.2 [Bipolar (Series)] 2.8 [Unipolar] Step Angle Rotor Inertia (oz-in2) RoHS Compliant Insulation Resistance 100 M Ω or more when 500 VDC megger is applied between the windings and the case under normal ambient temperature and humidity. Dielectric Strength Sufficient to withstand 0.5 kVAC at 50 Hz or 60 Hz applied between the windings and the case for 1 minute under normal ambient temperature and humidity. Temperature...

Open the catalog to page 2

All VELMEX, Inc. catalogs and technical brochures

Archived catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list