Explosion-proof planetary servo gear units

Our explosion-proof servo gear units provide precision, performance and reliability in potentially explosive atmospheres. They reliably transfer high speeds and torques while absorbing high overhung loads.

Explosion-proof, low-backlash planetary servo gear units: compact and reliable

PS.F series explosion-proof planetary servo gear units
The figure shows an explosion-proof planetary servo gearmotor
The figure shows an explosion-proof planetary servo gearmotor

Explosion protection with a compact design, high speeds and high torques: That’s what sets our ATEX-compliant planetary servo gear units apart.

Our planetary gear units reliably deliver precision and cost-effectiveness in potentially explosive atmospheres. The PS.F series offers torques from 25 Nm to 3000 Nm.

They feature a consistently low rotational clearance and high torsional rigidity. All gear ratios from i = 3 to i = 100 are integers and finely stepped. This means that these explosion-proof servo gear units in equipment category II are also especially suitable for use with controllers that require integer resolution ratios.

Only half the solution without a motor? Then use our sophisticated modular concept and combine the explosion-proof servo gear units of the PS.F series with the explosion-proof servomotor of your choice.

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Your benefits

  • High flexibility

    with direct motor mounting because there is no longer any need for an adapter with clamp coupling.
  • Incredible performance

    thanks to the high operating speeds and efficiency levels.
  • High reliability

    due to the wear-free gearing and consistently low rotational clearance.

Features

  • Low-backlash ATEX-compliant planetary servo gear units
  • Designed for torque classes from 25 Nm to 3000 Nm
  • Available in two output variants:
    • PSF: B5 output, flange, smooth solid shaft (without key)
    • PSKF: B5 output, flange, solid shaft with key

Technical data

PS.F series explosion-proof planetary servo gear units

Close table
Type Size, single-stage Size, two-stage Torque class
Nm
Gear ratio i 3)
1-stage
Gear ratio i 3)
2-stage
Rotational clearance `
1-stage
Rotational clearance `
2-stage
PSF 121 122 25 3 / 4 / 5 / 7 / 10 15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 70 / 100 8 4) / 4 5) / 2 6) 10 / 6 / 3
PSF 221
222
55 3 / 4 / 5 / 7 / 10
15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 70 / 100 6 / 3 / 1 8 / 4 / 2
PSF 321
322
110 3 / 4 / 5 / 7 / 10
15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 70 / 100 6 / 3 / 1 8 / 4 / 2
PSF 521
522
300 3 / 4 / 5 / 7 / 10
15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 70 / 100 6 / 3 / 1 8 / 4 / 2
PSF 621
622
600 4 / 5 / 7 / 10
15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 70 / 100 4 / 2 / 1 6 / 3 / 1
PSF 721
722
1,000 4 / 5 / 7 / 10
15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 70 / 100 4 / 2 / 1 6 / 3 / 1
PSF 821
822
1,750 4 / 5 / 7 / 10
15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 70 / 100 4 / 2 / 1 6 / 3 / 1
PSF 921 922 3,000 4 / 5 / 7 / 10 15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 70 / 100 4 / 2 / 1 6 / 3 / 1
  1. 3) Other gear ratios on request
  2. 4) Standard
  3. 5) Reduced
  4. 6) Minimized
We have stored a table for you here.

Areas of application

Categories and zone classification of potentially explosive atmospheres
Zones and assignment of the equipment categories or EPL
Zones and assignment of the equipment categories or EPL
  • Applications in potentially explosive atmospheres with air/gas or air/dust mixtures according to Directive 94/9/EC (ATEX), or as of April 20, 2016 of the EU Directive 2014/34/EU (ATEX)
  • Applications with equipment categories II2GD
  • Use with air mixtures
    • With gases (G): in zones 1 and 2
    • With dusts (D): in zones 21 and 22
  • Examples:
    • Packaging machines
    • Machine tools
    • Filling and metering units
    • Labeling machines
    • FFS machines
    • Incremental launches
    • Pick & place robots
    • Robot travel axes
    • Flying saw
    • Processing machines
    • Handling gantries
    • Conveyor belts
    • Feed, pivoting and auxiliary axes
    • Travel axes, additional axes
    • Wood processing centers
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