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Z Series with High Environmental
Resistance—Inner Rotor Type

Series Z Series
Model
Maximum PNZ3 Motor PNZ4 Motor
output torque
[N·m] 200 [N·m]

18 100 [N·m] 130 175
(135) 50 [N·m] (120) (137)

Motor height
[mm]

30 [N·m]

40
(100)

10 [N·m] φ220 φ286

Motor outer diameter [mm] φ44 φ37
(flange not included) 3 3
Motor hollow diameter [mm]
Maximum rotational speed [s–1] 2 621 440
Resolution of position sensor
[count/revolution] 90 (Interchangeable type) (at ambient temperature of 25 ± 5 [°C])
Absolute positioning accuracy [arc-sec] EDC Driver Unit

Driver unit model
(Dimensions: W × D × H [mm])

Reference page Motor: 17–18 90 × 140 × 190
Features
Shortened positioning time Driver unit: 19–24
Flat with high rigidity
Interchangeable, highly accurate absolute Compact driver unit
position sensor Certified with IP rating for dust and water ingress
protection

Ingress Protection (IP) Classification Nozzle φ12.5mm
Test under IEC Standards 100 /min; 3min

Megatorque Motor Z Series with High IPX6M: Powerful jet test
Environmental Resistance complies with IP66M
under IEC standards certified by TÜV Rheinland
Japan Ltd.

IP6X: Dust-tight test

The Z Series was certified with an IP rating after compliance testing under the following two standards:
• IEC 60529 Degrees of protection provided by enclosures for electrical equipment (IP code)
• IEC 60034-5 Rotating electrical machines—Part 5
The first characteristic numeral of the IP code stands for the degree of protection against ingress of solid foreign objects, such as dust, with “6” (IP6X) indicating completely
dust-tight.
The second characteristic numeral of the IP code represents the degree of protection against ingress of water (waterproofness), with “6” (IPX6) indicating protection from high-
pressure (100 /min) water from any angle. A final “M” indicates the watertight test was conducted with a motor rotating.

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