- 110mm Frame Size BLDC Motors
- IP65 Rating with Shaft Seal*
- Complete Protection From Dust Particles
- Can be Subjected to Wet Environments
- Long Life and Highly Reliable
- Cost-Effective Replacement for Brush DC Motors
- Hall Sensor Feedback
- Available in Three Different Stack Lengths
- CE Certified and RoHS Compliant
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The powerful BLK42 Series are squared-bodied 110mm frame Brushless DC Motors. BLK42 Series motors include an aluminum square-mounting flange to allow easy installation, Class F insulation for high temperature operation, and have a rated torque value of 566-850 oz-in. This series is offered in three different stack lengths to provide greater output torque, has a rated speed of 3,000 RPM, and utilizes Hall Sensor Feedback.
*Note: Ingress protection rating is IP65 for motor body, IP54 at shaft. Product ships with a shaft seal included. Use the shaft seal to maintain IP65 rating.
*Note: BLK42 Series are LTSOH (Limited to Stock on Hand).
Item | Rated Voltage (V) |
Rated Power (Watts) |
Rated Torque (oz-in) |
Rated Speed (rpm) |
Torque Constant (oz-in/A) |
Back EMF Voltage (V/kRPM) |
Line-to-Line Resistance (ohm) |
Line-to-Line Inductance (mH) |
Rotor Inertia (oz-in-sec2) |
"L" Length (mm) |
Weight (lbs) |
Price (USD) |
$AVE Quantity Discounts |
Stock Status | Add To Cart |
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BLK421S-160V-3000 | 160 | 1260 | 566.0 | 3000 | 61.00 | 30.00 | 0.42 | 3.10 | 0.082128 | 155 | 13.67 | $460.00 |
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1 in Stock |
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BLK423S-170V-3000 | 170 | 1880 | 850.0 | 3000 | 72.20 | 30.30 | 0.30 | 1.40 | 0.120370 | 189 | 15.90 | $636.00 |
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Contact Us |
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Note: The 7th character "S" denotes a single shaft, use "D" for double shaft. Custom leadwires, cables, connectors, and windings are available upon request.
IMPORTANT NOTE: When stock status reads "contact us," the lead time could range from 6 to 13 weeks, model dependent. Please contact the factory for more details.

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Adders
Adders
Adders
- Single Shaft Dimensions
- Dual Shaft Dimensions
- Wiring Diagram
- Specifications
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