Brand positioning and core product values
TECO Westinghouse, as a brand with both technical expertise and market reputation, has launched the E510 series compact AC frequency converter, with the core positioning of "miniaturization, easy configuration, high performance, and multi scenario adaptation", designed specifically for motor speed control. The product, with its compact size, can directly retrofit or replace old frequency converters, covering the full range of requirements from simple constant speed control to permanent magnet motor drive. It not only meets the basic speed regulation needs of civil and small industries, but also adapts to high-precision control scenarios of medium and large industrial equipment. Its core value lies in providing stable, efficient, and energy-saving speed regulation solutions for various motor driven equipment such as conveyors, pumps, and fans through a triple control mode, built-in PLC and PID functions, fast I/O response, and multiple safety protections. At the same time, it has global certification qualifications and flexible accessory expansion capabilities, making it the preferred equipment for motor control in industrial and civil power distribution systems
Overview of Product Core Technical Parameters
(1) Basic electrical parameters
Power coverage range:
230V level: 0.5-40 HP, supports 1-phase/3-phase input (0.5-3 HP is universal for 1-phase/3-phase, 5-40 HP is dedicated for 3-phase).
460V level: 1-75 HP, only supports 3-phase input, suitable for medium and large industrial motors.
Input voltage and frequency:
230V level: Input voltage 200-240VAC (+10%/-15%), frequency 50/60Hz.
460V level: Input voltage 380-480VAC (+10%/-15%), frequency 50/60Hz.
Control mode: Three core modes, adapted to different precision requirements:
V/Hz mode: basic speed regulation, suitable for general scenarios such as ordinary fans and pumps.
Sensorless vector (SLV) mode: high-precision speed regulation, 150%/1Hz starting torque, suitable for heavy-duty starting scenarios (such as conveyors and lathes).
Permanent magnet sensorless vector (PMSLV) mode: optimized for permanent magnet motors, energy-saving and efficient, suitable for high-efficiency motor driving scenarios.
Frequency and speed regulation characteristics:
Frequency range: 0-599Hz, supports wide range speed adjustment.
Frequency accuracy: digital input 0.01Hz, analog input 0.1%, high adjustment accuracy.
Speed ratio: 50:1, with strong stability during low-speed operation.
Carrier frequency: 1-16kHz (adjustable), can be optimized according to motor characteristics and noise requirements.
(2) Physical and protective parameters
Protection level: IP20/NEMA 1, suitable for indoor dust-free environments, standard NEMA 1 conduit kit.
Certification qualifications: Compliant with IEC 60018-2-78, UL, cUL, CE, RoHS standards, globally recognized.
Size and weight:
Low power models (such as 0.5-3 HP): Size 7.43 x 3.57 x 5.96 inches, weight 3.5-3.8 lbs, compact size, saves installation space.
High power models (such as 75 HP): size 20.67 × 11.28 × 10.62 inches, weight 77.2 lbs, stable structure, suitable for industrial distribution cabinet installation.
Terminal characteristics: Standardized terminal design, no need for specialized micro tools for wiring, easy to operate.
Detailed explanation of core functional features
(1) Control and regulation functions
1. Flexible control logic configuration
Built in PLC function: supports simple logic programming, can replace small PLCs to achieve linkage control such as motor start stop and speed switching, reducing the cost of external controller configuration.
PID process control loop: designed specifically for closed-loop control scenarios, with core features including:
Support sleep mode, energy-saving and consumption reducing.
Compatible with 0-10VDC or 4-20mA feedback signals, suitable for pressure, flow and other sensors.
Equipped with feedback loss or tracking detection function to ensure control stability.
Automatic Voltage Regulation (AVR): Real time monitoring of input voltage fluctuations, automatic adjustment of output voltage, ensuring stable motor operating parameters, and resisting the impact of grid voltage fluctuations.
2. Speed and frequency regulation
Multi mode frequency setting: supports keyboard potentiometers, external terminal input, 0-10VDC/4-20mA analog signals, pulse input, up and down key adjustment, and other modes to adapt to different control scenarios.
Acceleration and deceleration optimization:
Two independent acceleration and deceleration time settings (0-3600 seconds) can be adapted to different operating conditions.
Support jog acceleration and deceleration configuration and S-shaped slope to avoid start stop impact and protect equipment and loads.
V/Hz Curve Customization: Provides 18 preset V/Hz curves, and supports user-defined curves to optimize torque output based on motor type (such as asynchronous motor, permanent magnet motor) and load characteristics (constant torque, variable torque).
3. Special function expansion
Power loss ride through: Maintain the operation of the frequency converter during a short period of power outage to avoid production interruption caused by equipment shutdown.
Auto run mode: supports loop operation and is suitable for intermittent work scenarios such as intermittent conveying and batch mixing.
Rotating load start: It can directly start the motor in a rotating state to avoid damage to the equipment caused by reverse surge current.
DC injection braking: rapid shutdown, improving equipment operation safety and efficiency.
(2) Operation and configuration experience
Intelligent operation keyboard:
Standard configuration includes a 5-digit LED keyboard with a speed potentiometer, supporting parameter programming, diagnostic monitoring, and speed setting.
Display function: switchable Hz/RPM units, supports zoom display, clear status indicator lights (forward rotation, reverse rotation, program mode, fault alarm).
Support remote installation: keyboard remote deployment can be achieved through extension cables (JN5-CM-01M~05M) to adapt to complex installation environments.
Parameter management: Parameters are grouped by function, with clear logic and convenient configuration; Support parameter upload/download (with optional JN5-CU replication unit) for unified configuration of multiple devices.

I/O interface and communication function
(1) I/O interface specifications
Specific configuration and characteristics of interface types
6-channel configurable digital input, 39 optional functions, supports customization of normally open/normally closed.
Powered by 24V power supply, including pulse input function, with a response time of about 4ms and quick triggering.
Digital output with 2 relay outputs, 20 optional functions, supporting customization of normally open/normally closed.
Contact capacity of 250VAC/1A, 30VDC/1A, can drive small actuators or alarm devices.
Analog input with 2 independent channels, capable of switching between 0-10VDC or 4-20mA signals.
It supports gain and offset adjustment and can be used as speed reference or PID feedback input to adapt to different sensor signals.
Simulate 1 channel 0-10VDC output, with 5 optional configurations (output frequency, set frequency, output current, output voltage, DC bus voltage).
Supports gain and bias adjustment, and can be used for monitoring operational parameters.
Safe input dedicated safe input terminal (SF1/SG), factory default jumper short circuit.
When disconnecting, the output of the frequency converter can be cut off, and an emergency stop button or safety interlock device can be connected to improve operational safety.
The power supply is equipped with a built-in 24VDC power supply (± 15%, maximum output of 60mA), which supplies power to external sensors and buttons;
Built in 10V power supply (maximum 20mA) for external potentiometer power supply, reducing external power configuration.
(2) Communication function
Standard communication interface: Built in RS485 interface, supports Modbus RTU or BACNet protocol, can exchange data with PLC, touch screen, and upper computer, supports remote monitoring and centralized control.
Extended communication accessories: optional JN5-CM-USB cable, realizing the connection between RS485 and PC (USB interface), facilitating parameter configuration, fault diagnosis, and data log export.
Protection characteristics and environmental adaptability
(1) Comprehensive protection function
Specific parameters and functions of protection types
Overload and locked rotor protection: 150% rated output current/1 minute (effective in acceleration, deceleration, and constant speed stages), 120%/1 minute (5/6 frame), to prevent motor overload and burnout.
Overcurrent protection triggers immediately when the instantaneous current exceeds 200%, cutting off the output to avoid short circuit damage between the frequency converter and the motor.
Bus voltage protection overvoltage protection: 230V input>410VDC, 460V input>810VDC;
Undervoltage protection: 230V input<190VDC, 460V input<380VDC;
Prevent device damage caused by abnormal bus voltage.
Other core protections include ground fault protection, phase loss protection, overheating protection, PID feedback loss protection, external fault setting, fire protection mode, covering all dimensional risks of circuits, equipment, and environment.
(2) Environmental adaptability
Temperature range: Operating temperature -10~+50 ℃, storage temperature -20~+70 ℃, suitable for most indoor industrial environments.
Humidity requirement: ≤ 95% RH (no condensation), to avoid circuit failures caused by humid environments.
Vibration and impact: Models with 20HP and below can withstand 1g of vibration (32.2ft/sec ²), while models with 20-25HP can withstand 0.6g of vibration (19.3ft/sec ²), demonstrating strong seismic resistance of the structure.
Dust prevention optimization: Optional dust stickers (JN5-ECOV1~ECOV4) can be used to enhance the protection level and prevent foreign objects from entering (after installation, the current should be controlled not to exceed 70% of the rated value).
Model classification and accessory expansion
(1) Core model classification
1. 230V 1/3 phase input/3 phase output
Model Example Power (HP) Output Current (A) Size (inches) Weight (lbs)
E510-2P5-H-U 0.5 3.1 7.43×3.57×5.96 3.5
E510-201-H-U 1 4.5 7.43×3.57×5.96 3.5
E510-203-H-U 3 10.5 8.29×5.07×6.00 5.5
2. 230V 3-phase input/3-phase output
Model Example Power (HP) Output Current (A) Size (inches) Weight (lbs)
E510-205-H3-U 5 17.5 8.29×5.07×6.00 5.5
E510-220-H3-U 20 64 14.14×8.84×8.11 22.9
E510-240-H3-U 40 115 20.67×11.28×10.62 66.1
3. 460V 3-phase input/3-phase output
Model Example Power (HP) Output Current (A) Size (inches) Weight (lbs)
E510-401-H3-U 1 2.5 7.43×3.57×5.96 3.8
E510-420-H3-U 20 32 14.14×8.84×8.11 23.2
E510-475-H3-U 75 118 20.67×11.28×10.62 77.2
(2) Optional attachments and extensions
Attachment Category Model Function Description
Remote keyboard extension JN5-CM-01M/02M/03M/05M extends keyboard installation distance and adapts to complex installation layouts; JN5-KEYBOX is a keyboard installation box.
Communication accessory JN5-CM-USB connects RS485 interface and PC (USB) to achieve parameter configuration and data transmission.
Upgrade the operating interface to JN5-OP-A02 IP20 protected LCD keyboard, replacing the standard LED keyboard for richer display.
Parameter management JN5-CU parameter copying unit, supports parameter upload/download, facilitates unified configuration of multiple devices.
Protection upgrade JN5-NK-E01~E04 NEMA 1 protection kit, compatible with 1-4 frames, enhances equipment protection level.
Dust proof accessories JN5-ECOV1~ECOV4 dust stickers, prevent foreign objects from entering, compatible with 1-4 frames (including standard configuration, can be used as replacement parts).
Application scenarios and selection suggestions
(1) Core application areas
General industrial scenarios: conveyors, mixing equipment, lathes, etc., utilizing the high starting torque and high-precision speed regulation of SLV mode to ensure stable operation of the equipment.
Fluid control scenarios: fans, blowers, pumps, etc., achieve precise adjustment of flow and pressure through V/Hz mode and PID control, with significant energy-saving effects.
Civilian and Small Industries: Small machinery, air conditioning fans, and small pumps, utilizing the compact size and easy configuration characteristics of low-power models to reduce installation and maintenance costs.
Equipment upgrade scenario: Replace old frequency converters or AC contactors to improve equipment automation level and energy-saving efficiency.
(2) Key points of selection
Power and voltage matching: Select the corresponding model based on the rated power and voltage of the motor. 230V level is suitable for civilian/small industrial use, and 460V level is suitable for medium and large industrial equipment.
Control mode selection: Select V/Hz mode for general scenarios, SLV mode for heavy-duty/high-precision scenarios, and PMSLV mode for permanent magnet motor drive.
Installation environment adaptation: For indoor dust-free environments, the standard model is directly selected. For dusty environments, dust-proof stickers are required. For special protection requirements, the NEMA 1 kit can be upgraded.
Functional expansion requirements: PID function needs to be confirmed for closed-loop control, communication interface needs to be considered for remote monitoring, and parameter replication units need to be selected for unified configuration of multiple devices.

Email:wang@kongjiangauto.com