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Baldor ZDFRPM21254C

Baldor · RPM AC, Vector Duty, induction rotor, totally enclosed
25 HP 1780 2162C TEFC 460V Vector/Inverter Duty Motors
Catalog Number: ZDFRPM21254C
HP
25
RPM
1800,3600
Voltage
460V
Frame
2173C
Phase
3
Enclosure
TEFC
Material
Rolled Steel
Mounting
C-Face / Rigid

Product-line overview

The Baldor RPM AC, Vector Duty motor with an induction rotor and totally enclosed design delivers reliable performance for demanding industrial applications. Built with a power-dense square laminated frame, this motor provides a 1000:1 constant torque ratio, ensuring consistent and efficient operation. It features Class H insulation with a 40°C ambient temperature rating and a 1.0 service factor for durability in various conditions. The motor includes three thermostats, one per phase, for effective temperature monitoring. Designed specifically for inverter use, it incorporates an induction rotor for smooth, efficient operation. The motor is also equipped with a shaft grounding brush to mitigate bearing currents, ensuring enhanced reliability and longevity. Ideal for a range of applications, the RPM AC, Vector Duty motor is well-suited for use in centrifugal pumps, fans, conveyors, extruders, cranes, hoists, and process control systems.

Availability: Factory Order

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RPM AC, Vector Duty, induction rotor, totally enclosed

Features

  • Power-dense square laminated frame for enhanced performance
  • Provides constant torque with a 10001 ratio
  • Class H insulation with 40°C ambient temperature rating and 1.0 service factor
  • Equipped with three thermostats, one for each phase
  • Includes speed feedback device for improved control
  • Designed for inverter use only
  • Induction and salient pole-IPM rotor for optimal performance
  • Shaft grounding brush to reduce bearing currents
  • Provisions for ABB Ability Smart Sensor mounting
  • QR code for easy access to motor data for inverter configuration

Applications

  • Centrifugal pumps and ventilation fans
  • Extrusion systems, conveyors, cranes, hoists, and winding machines
  • Web processing, industrial process control, and test equipment
Electrical Data
Rated Motor Output Power
25 HP
18.64 kW
Rated Motor Speed
1800, 3500 RPM
Rated Motor Voltage
460V
Rated Motor Current
34 AMP
Phase
3
Poles
-
Locked Rotor Current
-
Fl Current @ 208V
-
Service Factor
1
KVA Code
-
Nominal Efficiency
-
Nominal Power Factor
-
Leads (Qty, Size)
-
Frequency
60 Hz
Connection
-
Start Capacitor
-
Run Capacitor
-
MFD
-
VFD (S.F. 1.0)
Ratio
Hz
Variable Torque
-
-
Constant Torque
-
-
General Data
Frame
2173C
Enclosure
TEFC
Mounting
C-Face / Rigid
Number of Speeds
-
Approximate Weight
355lb
Double Drilled
No
Frame Material
Rolled Steel
C-Dimension
29.50"
NEMA Design
-
Degree of Protection (IP)
-
Insulation Class
H
Rotation
Reversible
Duty
Continuous
Conduit Box Location
-
Removable Feet
No
Orientation
Horizontal
Ambient Temp
40 °C
Full Load Temperature Rise
Full Load Temp Rise
-
Temp Code
-
Mechanical Data
DE Bearing
50BC03JPP30A
NDE Bearing
45BC02JPP30A
Shaft Diameter
1.625"
Shaft Length
3.75"
Grease Type
-
Greaseable
Yes
Hazardous Locations
CSA Certified
-
Temp Code (Sine Wave Power)
-
Temp Code (VFD Power)
-
Additional Information
Agency Approvals
cCSAus, UR
Country of Origin
USA
Warranty
-

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About Baldor

Baldor is widely recognized in the United States for its Super-E® motor line, a premium-efficiency (IE3) motor series designed to deliver lower energy costs and improved performance compared to standard high-efficiency (IE2) motors.

Built for tough, real-world industrial environments, Baldor-Reliance motors are engineered with durability, reliability, and operator safety in mind. Their product lineup includes AC and DC motors, farm-duty motors, crusher-duty motors, and explosion-proof models used across a broad range of U.S. manufacturing and processing industries.

Formerly known as Baldor Electric Company, the brand now operates as part of ABB’s U.S. Motion business. Baldor joined the ABB family in 2011, and after a full integration in 2018, the motors continue to be marketed under the familiar Baldor-Reliance name across North America.

Baldor-Reliance motors are headquartered and manufactured in Fort Smith, Arkansas, with facilities and support teams located throughout the United States. These regional locations provide application assistance, technical expertise, and distribution support for American industrial customers.

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