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Brand: Allen-Bradley
Allen-Bradley VPL-B1003C-CJ12AA Kinetix VPL Servo Motor
Description
100 mm Kinetix VPL servo motor, 4.18 N-m stall
For machines that need low rotor inertia and fast response, VPL-B1003C-CJ12AA is a 100 mm frame VPL motor from Allen-Bradley. Rockwell lists 4.18 N-m (37.0 lb-in) of continuous stall torque, 11.15 N-m (99.0 lb-in) of peak stall torque and 0.96 kW (1.29 Hp) of rated output; the motor has no holding brake.
The Rockwell description decodes the catalog number as: (B) 480V AC class, (100) 100 mm bolt-circle frame, (3) three magnet stacks, (C) winding, (C) 18-bit single-turn digital high-resolution encoder, (J) keyed shaft, (1) single SpeedTec DIN connector, (2) no holding brake and (A) standard.
Technical specifications
| Parameter | Specification |
|---|---|
| Part number | VPL-B1003C-CJ12AA |
| Series | Allen-Bradley Kinetix VPL low-inertia servo motor, 480V class |
| Bolt circle | 100 mm |
| Stall torque, continuous | 4.18 N-m (37.0 lb-in) |
| Stall torque, peak | 11.15 N-m (99.0 lb-in) |
| Output power | 0.96 kW (1.29 Hp) |
| Brake | No holding brake |
| Feedback | 18-bit single-turn digital high resolution encoder |
| Rated speed | 2500 rpm |
| Shaft | Keyed |
| Connector | Single SpeedTec DIN |
Feedback, drives and installation
The 18-bit single-turn digital high-resolution encoder (feedback code C) supports tight positioning without an external feedback device. VPL motors are designed to be driven by Kinetix 5500, 5700 and related drives with 480V-class DC buses; the installation instruction VPL-IN001 covers the 063 to 165 mm frame VPL motors, with mounting, connector and brake notes.
Mount the motor to a rigid flange and keep within the datasheet’s radial and axial shaft load limits; check the motor dimensions drawing for the 100 mm frame before laying out the machine.
Performance data and the speed note
The KNX-TD001J performance table lists a rotor inertia of 0.00012 kg-m2 (0.0010 lb-in-s2) and a motor weight of 4.45 kg (9.80 lb) for this frame and stack group. Rated speed is 2500 rpm; where two values appear, they disagree, so treat the speed as something to confirm with Rockwell before sizing against it. Torque and power figures here are the datasheet values for the 400V-class table.
Low rotor inertia keeps the motor responsive, which suits fast positioning, indexing and small-load high-acceleration axes.
Working numbers derived from the printed values (not Rockwell figures): peak torque is 2.67 times continuous stall torque, and continuous stall torque per kilogram of motor mass is 0.94 N-m/kg. Use ratios like these only for comparing frames, then size the real axis from your own load cycle and the full torque-speed curve.
The 100 mm frame sits mid-range in the VPL line. It is used where more torque is needed than the 063 frame gives, for example on feed axes, rotary tables and heavier indexing mechanisms. Confirm flange, shaft and connector orientation on the dimensions page before releasing a machine drawing.
Ordering and documents
Request VPL-B1003C-CJ12AA by its complete catalog number; motor cables, drive and mechanical coupling are separate items. Hosted: VPL-IN001 installation instructions; specs taken from Rockwell publication KNX-TD001J, August 2024.
As an independent supplier in Muscat, Seven Star LLC quotes per request. Please verify every value with Rockwell literature before purchase.
A quotation request for VPL-B1003C-CJ12AA is easier to answer when it includes the drive and cable catalog numbers, the load and duty cycle, and the installation environment. We can then verify the combination with the Rockwell literature and point out open questions (Kinetix VPL low-inertia servo motor, 100 mm frame, 480V class, 4.18 N-m, no holding brake).
Browse more items in Electric Motors on our site, or send us the part number for a quotation.
Datasheets & Documents
- Installation Instructions Kinetix VPL Low-inertia Servo Motors Installation Instructions (VPL-IN001) Download
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About brand
Allen-Bradley is the brand of Rockwell Automation for industrial control: ControlLogix and CompactLogix controllers, I/O systems, PanelView operator terminals, PowerFlex drives, motor control and industrial network equipment. The company began in Milwaukee in 1903, when Lynde Bradley and Dr. Stanton Allen formed the Compression Rheostat Company to make the motor speed controller Bradley had invented in 1901. It took the name Allen-Bradley in 1909 and was bought by Rockwell International in 1985. Since 2001 its owner has been Rockwell Automation, which is still headquartered in Milwaukee, Wisconsin.
Allen-Bradley company profile
| Founded | 1903, Milwaukee, Wisconsin, USA, as the Compression Rheostat Company |
|---|---|
| Founders | Lynde Bradley (inventor of the compression rheostat, 1901) and Dr. Stanton Allen (investor); Harry Bradley joined in 1904 |
| Name | Allen-Bradley Company from 1909 |
| Ownership | Acquired by Rockwell International in 1985 for about USD 1.65 billion; a brand of Rockwell Automation (NYSE: ROK) since 2001 |
| Headquarters | Milwaukee, Wisconsin, USA |
| Product families | Logix programmable automation controllers (ControlLogix, CompactLogix), legacy SLC 500 and MicroLogix PLCs, Micro800 controllers, POINT, FLEX and Compact I/O, PanelView HMIs, PowerFlex AC drives, contactors, motor starters and soft starters, safety components, Stratix Ethernet switches |
Milestones
- 1901: Lynde Bradley invents the compression rheostat to control the speed of electric motors.
- 1903: The Compression Rheostat Company is formed in Milwaukee with an initial investment of USD 1,000.
- 1904: Harry Bradley joins; a crane controller is shown at the St. Louis World's Fair.
- 1909: The company is renamed Allen-Bradley.
- 1985: Rockwell International acquires Allen-Bradley.
- 2001: Rockwell Automation becomes the company's name; the Allen-Bradley brand marks 100 years in 2003.
Reading Allen-Bradley catalogue numbers
The first digits of an Allen-Bradley catalogue number identify the platform, which tells you what is compatible with what. 1756 is ControlLogix (chassis-based, used for large process and plant control), 1769 is CompactLogix 5370 with Compact I/O, 5069 is CompactLogix 5380 with Compact 5000 I/O, 1734 is POINT I/O, 1794 and 5094 are FLEX and FLEX 5000 distributed I/O, 1746 and 1747 belong to the older SLC 500 family, 1766 is MicroLogix 1400 and 2080 is Micro800. For drives, 25B is PowerFlex 525 and 22B is PowerFlex 40; in a code such as 25B-D010N114, "D" means 380–480 V, "010" is the output current rating, and N114 instead of N104 means the drive has an integrated EMC filter. Many plants in the region still run SLC 500 and older MicroLogix systems, which Rockwell has discontinued, so exact spares and migration to CompactLogix are both common requests.
Where Allen-Bradley products are used
In Oman and the GCC, Allen-Bradley controllers and drives run on oil and gas facilities, water treatment and pumping stations, cement, food and beverage and packaging plants, and on machines supplied by American OEMs. ControlLogix is often the platform for plant control systems, while PowerFlex drives are used on pumps, fans and conveyors.
Allen-Bradley products we list
| Family | Examples |
|---|---|
| ControlLogix | 1756-L85E, 1756-EN2T, 1756-EN2TR, 1756-IF16, 1756-IB32, 1756-PA75, 1756-A10 |
| CompactLogix and Micro controllers | 5069-L320ER, 5069-L340ERM, 1769-L33ER, 1769-L16ER, MicroLogix 1400, Micro820, SLC 500 (1746) |
| Distributed I/O | 1734-AENTR, 1734-IB8, 1734-IE2C, 1734-IB8S safety, 1794-AENTR, 5094-AENTR, 5069-IF8 |
| Operator terminals | PanelView Plus 7 10-inch, PanelView Plus 7 15-inch, PanelView 800, PanelView 5310 |
| Drives, motor control and networking | PowerFlex 525, PowerFlex 755, PowerFlex 4, 150-A180NBD SMC, Stratix 2000, 1783-NATR |
Ordering Allen-Bradley products: what we need
Send the full catalogue number and the series letter from the label (for example 1756-EN2T Series D), because firmware and compatibility can change between series. For drives, add the motor power, voltage and filter option. For a discontinued SLC 500 or MicroLogix part, tell us whether you need the exact spare or a migration proposal.
Facts checked against Rockwell Automation's published company history, October 2026.
Browse Allen-Bradley products by category: PLC & I/O Cards, AC Drives.
FAQ
Questions about the Allen-Bradley VPL-B1003C-CJ12AA Kinetix VPL Servo
Answers from our engineering team on installation, compatibility and integration.
01What torque does VPL-B1003C-CJ12AA produce?
4.18 N-m (37.0 lb-in) continuous stall and 11.15 N-m (99.0 lb-in) peak stall according to KNX-TD001J.
02Does VPL-B1003C-CJ12AA have a holding brake?
No, this catalog number has no holding brake.
03What frame size is VPL-B1003C-CJ12AA?
100 mm bolt circle.
04What feedback does VPL-B1003C-CJ12AA use?
An 18-bit single-turn digital high-resolution encoder, catalog code C.
05Which drives pair with VPL-B1003C-CJ12AA?
Kinetix 5500 and 5700 servo drives with the single-cable SpeedTec DIN connection; confirm against the drive documentation.
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