20BM121FXPR1
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The 20BM121FXPR1 servo motor boasts a frame size of 120 mm, a rated torque of 3.82 Nm, a peak torque of 12 Nm, and operates with a voltage of 400 V. Part of the BL Super Servo Motors series manufactured by Sanyo Denki, it features IP65 environmental protection (excluding the shaft) and a rated speed of 3000 rpm.
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Product Description:
Sanyo Denki is the manufacturer of the industrial-grade brushless servo motor 20BM121FXPR1, which belongs to the BL Super Servo Motors family.
Applied in medium- to high-load automation work, this 120 mm frame size motor operates through its single stack technology to generate compact yet forceful performance. The motor depends on high-energy neodymium magnets to generate strong magnetic flux, which results in greater torque density and operational efficiency. The motor supplies a 1.2 kW rated power output together with 3.82 Nm rated torque when operating at 3000 rpm. The motor generates an extra torque of 12 Nm, which serves dynamic applications during their peak torque needs. The motor operates at 400 V while continuously drawing 2.8 A of stall current to ensure stable operation under all load conditions. The 20BM121FXPR1 model of the motor comes equipped with a keyed shaft design (marked by "R" suffix) to enable robust mechanical system coupling capabilities.
This motor system includes either a resolver or no feedback component (X designation) so that basic system integration becomes feasible when position feedback precision is not obligatory or managed through alternate mechanisms. IP65 environmental protection standards cover the motor except the shaft, thus making it resistant to dust particles and low-pressure water droplets in typical industrial environments. The motor can provide smooth start-stop motions thanks to the 0.0012 kg·m² rotor inertia, which increases the speed of general motion. This product's Class F insulation allows winding temperatures to reach a maximum of 155°C and ensures reliable performance in high-temperature situations. It can be purchased at Wake Industrial with a one-year warranty.
Frequently Asked Questions about 20BM121FXPR1:
Q: What is the power and torque output of the 20BM121FXPR1?
A: It provides 1.2 kW rated power, 3.82 Nm rated torque, and up to 12 Nm peak torque for high-demand applications.
Q: What feedback configuration is used in the 20BM121FXPR1?
A: The motor uses an "X" designation, meaning it has no encoder or resolver, allowing for simpler system integration.
Q: What voltage and current does the 20BM121FXPR1 operate on?
A: It runs at 400 V and draws 2.8 A stall current for stable operation under load.
Q: What type of shaft and protection rating does the 20BM121FXPR1 include?
A: It features a keyed shaft and IP65 protection (excluding the shaft), providing resistance to dust and water spray.
Q: What is the rotor inertia and insulation class of the 20BM121FXPR1?
A: It has 0.0012 kg·m² rotor inertia and uses Class F insulation for thermal durability up to 155°C.
