VPL-B1002E-PK14AA — Kinetix VP Low-Inertia Servo Motor, 460V, 1.9 kW, with Brake

The VPL-B1002E-PK14AA is a 1.9 kW low-inertia servo motor from the Kinetix VP series, configured for 460V AC drive bus operation. Continuous stall torque is 6.37 Nm with a peak of 19.1 Nm — a solid 3:1 ratio for high-dynamic applications. This variant includes a holding brake and a keyed shaft, indicating it's intended for applications where the axis must hold position under load when de-energized and where the shaft coupling relies on a key rather than friction clamping alone.

At 1.9 kW and 460V bus, this motor slots into the mid-range of the Kinetix VP lineup — larger than the sub-1 kW motors used for light pick-and-place, but still in the low-inertia category that prioritizes fast dynamic response over high continuous torque density. Typical applications are vertical Z-axes on gantry systems, cam follower assemblies, and feed drives on forming machinery where both holding capability and servo responsiveness matter.

Specifications

Parameter	Value
Part Number	VPL-B1002E-PK14AA
Series	Kinetix VP (VPL — Low Inertia)
Continuous Power	1.9 kW
Continuous Stall Torque	6.37 Nm
Peak Torque	19.1 Nm
Rated Speed	3000 RPM
Max Speed	5500 RPM
Drive Bus Voltage	460V AC
Feedback Type	Multi-turn absolute encoder
Rotor Inertia	1.13 kg·cm²
Shaft	Keyed with holding brake ("K" suffix)
Connector Style	SpeedTec DIN (straight) — "PK" suffix
Frame Size	100 mm (B-frame)
Enclosure	IP65 (with shaft seal)
Operating Temperature	0°C to 40°C ambient
Standards	UL, CE, cUL

Keyed Shaft and Brake — What This Configuration Is Built For

The holding brake on this motor is a spring-engaged, electrically-released type. With power off, the brake engages automatically — holding the shaft in position without any electrical energy required. This is the correct design for vertical axes: if power is lost unexpectedly, the brake applies and the load doesn't fall. The brake is not a dynamic braking device and should not be used to stop a moving axis — it's for holding at rest, not deceleration under load.

The keyed shaft serves a different purpose. A key provides a positive mechanical drive between the shaft and the coupling hub, preventing rotational slip under high torque impulses. At 19.1 Nm peak, friction-only couplings can slip during aggressive acceleration moves, particularly if there's any oil contamination on the shaft surface. The key eliminates that risk. When mounting a coupling, ensure the keyway in the hub matches the key dimensions — a loose fit causes fretting and wear at the key contact surface.

The holding brake requires a dedicated 24V DC supply, typically 1–2A depending on the specific brake configuration. Do not power the brake from the same supply as the control I/O without verifying the supply's current headroom — brake engagement/release draws a brief inrush current that can cause supply voltage sag if the source is marginal.

System Sizing Notes

Sizing a servo axis with this motor involves three checks that need to pass simultaneously:

RMS torque vs. continuous stall torque — the root-mean-square torque over one full motion cycle must be below 6.37 Nm. If it exceeds this, the motor will overheat at the application's duty cycle even if no single move exceeds the peak rating.
Peak torque vs. peak motor torque — the maximum torque demand during acceleration must be below 19.1 Nm. Factor in load inertia, friction, gravity (for vertical axes), and any process force (forming, pressing).
Drive current vs. motor current — the Kinetix 5700 drive paired with this motor must cover both continuous and peak current requirements. Check the drive's continuous and peak current ratings against the motor's continuous stall current and peak current derived from the peak torque divided by the motor's torque constant (Kt).

FAQ

Q: Can the brake be manually released for maintenance positioning?

Yes. Applying 24V DC to the brake terminals releases it, regardless of whether the drive is energized. This allows manual shaft rotation for maintenance without powering up the full drive system. Ensure the load is supported by another means before manually releasing the brake on a vertical axis.

Q: Is the keyed shaft compatible with standard metric keyways?

The key dimensions follow standard metric specifications for the shaft diameter. Confirm the exact key width and depth from the motor dimensional drawing before ordering couplings or pulleys — assuming a standard size without checking can result in a loose fit.

Q: What Kinetix drive series is this motor designed to pair with?

The VPL-B1002E is designed for the Kinetix 5500 and 5700 drive families at 460V bus. Use Motion Analyzer to confirm the specific drive catalog number that covers this motor's continuous and peak current requirements at the application's duty cycle.

Q: Can the brake be used as an emergency stop device?

No. The holding brake is a spring-set static brake rated for holding at rest, not for stopping a rotating shaft under load. Using it as a dynamic stop device will cause premature brake wear and eventual failure. Dynamic stopping is the drive's job; the brake engages only after the axis has come to rest.

Q: What is the connector orientation for the PK (straight SpeedTec) connector?

The "PK" suffix indicates a straight (axial) connector exit, as opposed to the rotating/angled SpeedTec variant. Straight connectors exit parallel to the motor shaft axis — plan cable routing away from the rear of the motor with adequate bend radius for the cable diameter used.

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