TA31 V30 BP05 ER TW KEB
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The KEB TA31 V30 BP05 ER TW is a servo motor from the TA Synchronous Servo Motors series. It features a holding brake torque of 4.5 Nm with a 24 VDC brake voltage, and a brake power of 12 W. The motor includes a 6-pole configuration and is protected to the IP54 standard. It uses a BRX 2-pole resolver operating at 10 kHz and 7 VAC, and features a PTC thermistor for temperature sensing.
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Product Description:
The TA31 V30 BP05 ER TW synchronous servo motor is manufactured by KEB as part of the TA Synchronous Servo Motors series. Designed for precision motion in packaging, material handling, and assembly cells, it converts controlled three-phase drive currents into regulated shaft torque while providing position feedback through an integrated resolver. A factory-installed holding brake maintains axis position when power is removed, making the unit suitable for vertical loads and controlled stopping functions. This arrangement supports closed-loop motion control in applications that require accurate positioning, repeatable speed control, and secure load holding between motion cycles.
Its mechanical interface follows IEC square-flange patterns, with a mounting face of 100 mm and a bolt circle of 90 mm that distributes load into the machine frame. Four 6.8 mm holes and an 80 mm pilot complete the alignment features for mounting. Power enters through an 8-pole Size 1 connector, while a 12-pole Size A connector routes encoder signals, helping keep power and feedback connections separated. The housing carries a protection rating of IP54, which limits dust ingress and resists water splashes during washdown. For static load holding, the electromagnetic brake provides 4.5 Nm when supplied with 24 VDC. Rotor angle is measured by a BRX 2-pole resolver that excites the winding at 10 kHz and returns a 7 VAC signal to the drive electronics.
During braking, the coil releases 12 W of heat, so the surrounding installation space must allow that heat to dissipate. The motor uses 6 poles, which provides a balance between torque density and achievable base speed without demanding excessive inverter switching frequency. Class 155°C insulation allows the stator to operate under elevated winding temperatures that can occur in cyclic duty. Thermal protection is supplied by an embedded PTC sensor, allowing the drive to trip before insulation limits are exceeded. This helps reduce the risk of overheating during continuous industrial operation.
Frequently Asked Questions about TA31 V30 BP05 ER TW:
Q: What is the holding brake torque of the TA31 V30 BP05 ER TW motor?
A: The TA31 V30 BP05 ER TW servo motor has a holding brake torque of 4.5 Nm.
Q: What is the protection standard for the TA31 V30 BP05 ER TW servo motor?
A: This model operates with an IP54 protection standard, offering limited dust ingress and protection against water spray.
Q: What temperature class does the TA31 V30 BP05 ER TW support?
A: The temperature class for this motor is rated at 155°C.
Q: What resolver frequency and type are used in the TA31 V30 BP05 ER TW?
A: The resolver operates at a frequency of 10 kHz and uses a BRX 2-pole type.
Q: What are the flange and pilot diameters of the TA31 V30 BP05 ER TW?
A: This motor features a flange diameter of 100 mm and a pilot diameter of 80 mm for mounting.
