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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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B&R Automation 8LSA55.DB030S300-3 Servo Motor 4 kW 3000 RPM Factory Sealed

$1,750.00 USD

Sale Sold out

ConditionFactory Sealed MPN8LSA55.DB030S300-3 Stock #Stock # 0626-01731

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 55.0 lbs

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Product Specifications

Manufacturer: B&R
MPN / Model: 8LSA55.DB030S300-3
Product Type: Servo Motor (8LS Synchronous)
Nominal Speed: 3000 RPM
Nominal Torque: 11.6 Nm
Stall Torque: 12.5 Nm
Pole Pairs: 4
Rated Voltage: 400 VAC
Cooling: Self-cooling
Construction Type: Type A
Holding Brake: Yes, 15.0 Nm holding torque
Feedback: EnDat 2.2, EQI 1331 FS, 4096 multi-turn
Centering Diameter: 130.0 mm, j6 fit
Flange Square Dimension: 142.0 mm
Shaft Key: d=24.0 k6 x 50.0 mm, without oil seal
Efficiency: 96.3%

Product Description

Identified by B&R material number 8LSA55.DB030S300-3, this is a three phase 8LS synchronous servo motor with self cooling and type A construction. Confirmed specifications include a 400 VAC rating, four pole pairs, 3000 rpm nominal speed, 11.6 Nm nominal torque, and 12.5 Nm stall torque, with a rated efficiency of 96.3 percent. The motor includes a holding brake rated at 15.0 Nm and an EnDat 2.2 absolute encoder (EQI 1331 FS, 4096 multi-turn) using the single cable connection method. Mechanical mounting details are a 130.0 mm j6 centering diameter, a 142.0 mm square flange, and a 24.0 mm k6 keyed shaft at 50.0 mm length, supplied without an oil seal. The unit is presented in its original unopened B&R factory carton. Buyers sourcing an exact replacement should match the full catalog number 8LSA55.DB030S300-3, since the 8LSA55 family includes many option variants that differ by feedback type, brake, and connection configuration.

Stock # 0526-01731

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.