# Moog DB-4000-B-1ES Matrix Frameless Brushless Torque Motor

101.6 mm OD DB Matrix frameless rotor/stator set (12-pole, no Hall sensors in this code); US benchmark for direct-drive joints, rated by peak torque and Km rather than a continuous rating.

- Maglev ID: mo-moog-db-4000-b-1es
- Brand: Moog
- MPN: DB-4000-B-1ES
- Category: motors / Frameless BLDC Torque Motors
- Origin: US (maker HQ, factory not confirmed)
- Maker: Moog Inc. (brand, US)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8501.31.20.00 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- No public price. Request a quote via POST /api/rfq or the order pad.

## Specifications
- Peak torque: 2000 oz-in (14.12 Nm)
- Continuous torque (not stated; Km and TPR given): unknown
- Outer diameter: 4.0 in (101.6 mm)
- Stack length: stack 'A' 2.000 in (50.80 mm); dim. 'B' 2.095 in (53.21 mm)
- Voltage at peak torque: 29.5 V stalled at peak torque (no bus rating stated)
- Weight: 94.4 oz nom (2676 g)
- Bore ID: 11.18 mm
- Torque sensitivity: 66.5 oz-in/A (0.470 Nm/A)
- Amps at peak torque: 30.1 A
- Motor constant: 67.2 oz-in/√W

## Links
- Product: https://www.moog.com/products/motors-servomotors/brushless-motors/high-performance-direct-drive-brushless-dc-motors/db-4000-matrix-series.html
- Datasheet: https://www.moog.com/content/dam/moog/literature/products/motors-servomotors/DB-4000.pdf
- CAD: none

## Sources
- https://www.moog.com/products/motors-servomotors/brushless-motors/high-performance-direct-drive-brushless-dc-motors/db-4000-matrix-series.html (Moog series page: OD, ID, stack range, links)
- https://www.moog.com/content/dam/moog/literature/products/motors-servomotors/DB-4000.pdf (Moog Matrix series datasheet: per-model peak torque, Km, weight, winding constants, A/B dims)