Series Overview
The L7 Width 150 sub-series consists of three primary part lengths — 350-150, 500-150, and 650-150 — with a 150 mm secondary part width. Peak force range 6,078 ~ 12,157 N, water-cooled continuous force 2,760 ~ 5,539 N. Suitable for medium-thrust machine tool feed axes and grinding spindles.
Dimensions
Side / end view dimensions (shared across the entire series)
Top view dimensions (shared across the entire series)
Performance Data — Width 150
| Category / Parameter | Symbol | Unit | 350-150 | 500-150 | 650-150 |
|---|---|---|---|---|---|
| Winding | |||||
| Winding | — | — | Z1.9H | Z2.8H | Z2.7H |
| Forces | |||||
| Ultimate force (1 s) | Fu | N | 6,648 | 9,972 | 13,296 |
| Peak force | Fp | N | 6,078 | 9,117 | 12,157 |
| Continuous force (cooled) | Fcw | N | 2,760 | 4,111 | 5,539 |
| Continuous force (not cooled) | Fc | N | 961 | 1,380 | 1,824 |
| Stall force (cooled) | Fsw | N | 1,832 | 2,727 | 3,674 |
| Cogging force at I = 0 | Fcog | N | 12.16 | 18.23 | 24.31 |
| Velocities | |||||
| Limiting velocity at Ip, UDCL = 600 V | vlp600 | m/s | 1.36 | 1.36 | 0.98 |
| Limiting velocity at Icw, UDCL = 600 V | vlw600 | m/s | 3.08 | 3.09 | 2.29 |
| Limiting velocity at Ip, UDCL = 300 V | vlp300 | m/s | 0.51 | 0.51 | 0.30 |
| Limiting velocity at Icw, UDCL = 300 V | vlw300 | m/s | 1.38 | 1.38 | 0.99 |
| Currents | |||||
| Effective ultimate current (1 s) | Iu eff | A | 65.6 | 98.4 | 99.7 |
| Effective peak current | Ip eff | A | 52.5 | 78.7 | 79.7 |
| Effective continuous current (cooled) | Icw eff | A | 17.5 | 26.1 | 26.7 |
| Effective continuous current (not cooled) | Ic eff | A | 5.97 | 8.58 | 8.61 |
| Effective stall current (cooled) | Isw eff | A | 11.6 | 17.2 | 17.6 |
| Power losses | |||||
| Power loss at Fp | Plp | W | 9,663 | 14,495 | 18,788 |
| Power loss at Fcw | Plw | W | 1,442 | 2,131 | 2,821 |
| Power loss at Fc | Plc | W | 168 | 231 | 294 |
| Electrical characteristic values | |||||
| DC link voltage | UDCL | V | 800 | 800 | 800 |
| Electrical resistance, phase to phase | R20 | Ω | 2.34 | 1.56 | 1.97 |
| Inductance, phase to phase | L | mH | 40.38 | 26.92 | 35.00 |
| Back EMF constant | kû | V/(m/s) | 131.5 | 131.5 | 173.2 |
| General characteristic values | |||||
| Pole pair width | 2τp | mm | 46 | 46 | 46 |
| Motor constant (20 °C) | km | N/√W | 86.0 | 105.4 | 123.4 |
| Force constant | kf | N/A | 160.8 | 160.8 | 211.7 |
| Motor temperature switch-off | JPTC | °C | 110.0 | 110.0 | 110.0 |
| Attraction force | Fa | N | 9,307 | 13,961 | 18,615 |
| Cooling conditions (medium: water, supply temperature 20 °C) | |||||
| Recommended volume flow rate | dV/dt | l/min | 4.0 | 4.5 | 5.0 |
| Cooling water temperature difference | ΔJ | K | 5.2 | 6.8 | 8.1 |
| Pressure drop | Δp | bar | 0.5 | 0.8 | 1.2 |
Geometric Data — Width 150
| Category / Dimension | Symbol | Unit | 350-150 | 500-150 | 650-150 |
|---|---|---|---|---|---|
| Primary part | |||||
| Length | LP | mm | 384 | 545 | 706 |
| Width | BP | mm | 187 | 187 | 187 |
| Height | HP | mm | 58.5 | 58.5 | 58.5 |
| Maximum width | BPMAX | mm | 191.4 | 191.4 | 191.4 |
| Cooling water connection | TSPC | — | 2 × G1/8″ | 2 × G1/8″ | 2 × G1/8″ |
| Mass | mP | kg | ca. 20 | ca. 28 | ca. 36 |
| Secondary part | |||||
| Length | LS | mm | 184 | ||
| Width | BS | mm | 180 | ||
| Height (without encapsulation) | HS | mm | 18 | ||
| Height (encapsulated) | HSP | mm | 18.3 | ||
| Motor installation dimensions | |||||
| Width with secondary part cooling system | B | mm | 201 | ||
| Height without secondary part cooling system | H | mm | 78 | ||
| Height with secondary part cooling system | HSC | mm | 81 | ||
Specifications subject to change without notice.
Source: Schaeffler Industrial Drives — L7 Series High Efficiency Linear Motors (PHL en-GB / DE / 2025-01).
For parameter definitions see the Type Designation & Glossary page.