PMB31B-20214-01
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The PMB31B-20214-01 brushless servomotor features a NEMA Size 34 design, a rated speed of 2,900 rpm, and a continuous stall torque of 2.1 Nm (18.7 lb-in). Part of the PMB Brushless Servomotors series by Pacific Scientific, it incorporates a digital encoder with commutation and weighs 19.6 lbs.
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Product Description:
The PMB31B-20214-01 motor from Pacific Scientific sits inside the PMB Brushless Servomotors series and works with a NEMA Size 34 frame. Rated speed clocks in at 2,900 rpm, hitting that mark again and again in automation setups where regular speed is important. Weight comes in at 19.6 lbs, so moving or mounting it does not add too much struggle to assembly. The system offers a continuous stall torque of 2.1 Nm (18.7 lb-in) which holds steady even when force is needed for long periods, and a peak stall torque of 4.1 Nm (36.6 lb-in) if extra push is needed for quick jobs or rapid starts.
Onboard sensor work happens through a digital encoder with commutation to deliver clear position feedback back to whatever controller the system runs. Encoder resolution is 2048 ppr, making every turn and stop more exact, nice for applications in robotics or detailed industrial positioning work. For locking it in electrically, this motor gets affixed through flying leads with MS connectors, which helps create quick switches and maintains neat wiring in control boxes. Operating at 2.7 ARMS nominal stall current when 240 V AC power is supplied, the motor runs both strong and safe for demanding automation. Rotor inertia falls at 0.14 kg·m^2 x 10^-3, enough to track fine changes in load without overreacting and without feeling slow to build speed when needed.
Cooling here depends on the basic body since there's no added air or liquid, making setup less complicated when adding to wider builds. Hard use does not get in the way since the build is set for durability; its compact footprint means it fits into tight or crowded locations. The motor lands in plenty of places—automated lines, CNC stations, or material handling work.
Frequently Asked Questions about PMB31B-20214-01:
Q: What is the rated speed and encoder resolution of the PMB31B-20214-01 servomotor?
A: The PMB31B-20214-01 servomotor features a rated speed of 2,900 rpm and an encoder resolution of 2048 ppr.
Q: What type of connector does the PMB31B-20214-01 use?
A: The PMB31B-20214-01 uses flying leads with MS connectors.
Q: What is the nominal stall current and operating voltage for this servomotor?
A: The nominal stall current for the servomotor is 2.7 ARMS, and it operates at 240 V AC or 320 V DC.
Q: What is the continuous stall torque and peak stall torque of the PMB31B-20214-01?
A: The servomotor provides a continuous stall torque of 2.1 Nm (18.7 lb-in) and a peak stall torque of 4.1 Nm (36.6 lb-in).
Q: What type of sensor does the PMB31B-20214-01 incorporate?
A: The PMB31B-20214-01 incorporates a digital encoder with commutation.
