Step Angle
Step Accuracy
Operating Temperature
Ambient Temperature Range
Insulation Resistance at 500Vdc
Dielectric Withstanding Voltage
7.5°
± 0.5°
100°C Max
-20°C ~ +70°C
100MΩ
650 ± 50 VRMS, 2 sec
The specifications in this publication are believed to be accurate and reliable. However, it is the
responsibility of the product user to determine the suitability of Portescap products for a specific
application. While defective products will be replaced without charge if promptly returned, no
liability is assumed beyond such replacement.
Portescap Danaher Motion motors will not be CE marked where the Low Voltage Directive, the
Electro-Magnetic Compatibility or other appropriate EU directives are not applicable - this is an
EU legal requirement.
UNIPOLAR
Part Number
DC Operating Voltage
Resistance per Winding (ohms)
Inductance per Winding (mH)
Holding Torque* (mNm/oz-in)
Rotor Moment of Inertia (g.m
2
)
Detent Torque (mNm/oz-in)
Step Angle
Step Angle Tolerance*
Steps per Revolution*
Max. Operating Temperature
Ambient Temperature Range
Operating
Storage
Bearing Type
Insulation Resistance at 500Vdc
Dielectric Withstanding Voltage
Weight (g/oz)
Leadwires
* Measured with 2 phases energized
-20°C to 70°C
-40°C to 85°C
100 megohms
145 / 5.1
-20°C to 70°C
-40°C to 85°C
100 megohms
145 / 5.1
42M048C1U-N
5
9.1
8.1
66.2 / 9.4
12.5 x 10
-4
12.7 / 1.80
7.5°
± 0.5°
48
100°C
42M048C2U-N
12
52.4
51.7
66.2 / 9.4
12.5 x 10
-4
12.7 / 1.80
7.5°
± 0.5°
48
100°C
5
9.1
16.7
84.0 / 11.9
12.5 x 10
-4
12.7 / 1.80
7.5°
± 0.5°
48
100°C
BIPOLAR
42M048C1B-N
42M048C2B-N
12
52.4
85.7
84.0 / 11.9
12.5 x 10
-4
12.7 / 1.80
7.5°
± 0.5°
48
100°C
-20°C to 70°C
-40°C to 85°C
100 megohms
145 / 5.1
-20°C to 70°C
-40°C to 85°C
100 megohms
145 / 5.1
Sintered bronze sleeve Sintered bronze sleeve Sintered bronze sleeve Sintered bronze sleeve
650 ± 50 VRMS, 2 sec 650 ± 50 VRMS, 2 sec 650 ± 50 VRMS, 2 sec 650 ± 50 VRMS, 2 sec
26 AWG, UL Style 1430 26 AWG, UL Style 1430 26 AWG, UL Style 1430 26 AWG, UL Style 1430
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