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Watlow Aspyre DT Power Controls
Modular & Scalable Power Controller - 35 to 700 amps
Watlow’s new ASPYRE® power controller family is flexible and scalable, and available with a variety of options allowing one platform to be re-used across a wide range of applications, which can help save time and money. ASPYRE models available include sizes from 35 to 700 amps.

The Aspyre power controller family features multiple advanced microprocessor-based firing and control mode algorithms. Combined with diagnostics and several communications options the product enables equipment and factory automation.

Controller firing modes include zero cross, burst firing, single cycle, delayed triggering and phase angle. These smart algorithms enable the product to easily control a wide base of heater loads including nichrome, moly, silicon carbide, tungsten quartz and infrared lamps and transformer-coupled loads.

ASPYRE offers a comprehensive list of modular options that deliver space and labor savings including controlled legs (1, 2 or 3), semiconductor fusing, load current measurement, amperage size and user interface.

Features and Benefits (Ordering Information Below)

Heater bakeout
• Protects heater on start up
• Eliminates labor and time associated with checking for wet heaters

Integrated semiconductor fusing, current transformer and user interface
• Saves installation time and eases setup and commissioning
• Delivers a user-friendly, intuitive interface

Industry-leading design and serviceability
• Offers a robust SCR design to meet a rugged industrial environment’s high quality and reliability needs
• Provides quick and easy access to maintain and service fuses and individual legs in minimal time
• Enables fast troubleshooting by providing helpful thermal system diagnostics

Comprehensive power controller range
• Provides wide range of options from simple single-phase to complex three-phase loads to 690V

100KA short circuit current rating (SCCR)
• Enables greater protection in the event of a short circuit

c-UL® 508 Listed
• Shortens project schedules, agency testing and expenses

Control modes: contactor, voltage, current or power
• Satisfies a wide range of demanding thermal applications

Load firing modes: zero-cross, burst fire, phase angle, soft start, half-cycle, single-cycle, delayed triggering
• Handles a wide range of load types including nichrome, medium and long waveform infrared lamps, moly (Kanthal® Super), transformers, silicon carbide, UV lamps and tungsten
• Protects and extends the life of connected loads

Wide range of communication protocols
• Enable factory and process automation with connectivity access to process and equipment data using Modbus® RTU, Modbus® TCP, EtherNet/IP™, Wi-Fi, Profibus, Profinet, USB device (configuration and data file transfers)

Open heater and shorted SCR indication
• Minimizes production downtime with easy to understand, intelligent, troubleshooting diagnostics

Integrated USB and user interface for configuration
• Easily and safely program configuration settings as the user interface can be powered through USB connection
• Eliminates a user from having to work in a high voltage hazard environment. High voltage to controller or system panel can be turned off while setting controller configuration

Download Aspyre Power Controllers Spec Sheet
Watlow Aspyre Power Controller Ordering
To order, complete the code number below by selecting the options desired in each category.
Then click the "submit" button.
The part number and price will be displayed on the next page.

D T __ __ __ - __ __ __ __ __ - __ __ __ __ __
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
1-2. Series Aspyre
D T= Base model includes: power control loop for open loop, voltage, current or power control, two analog inputs (0-10VDC, 4-20mA selectable), two digital inputs, semiconductor fusing and current transformers for each leg, mechanical relay heater break alarm, RS-485 Modbus communications, LED user interface and keypad, 10VDC auxiliary power supply.

3. Phase
1 = 1 phase, 1 controlled leg
2 = 3 phase, 2 controlled legs
3 = 3 phase, 3 controlled legs

4-5. Maximum Line and Load Voltage
48 = 480VAC
60 = 600VAC
69 = 690VAC - only available for 300A and greater models

6-8. Output Current Amps
035 = 35 amps
040 = 40 amps
060 = 60 amps
090 = 90 amps
120 = 120 amps
150 = 150 amps
180 = 180 amps
210 = 210 amps
300 = 300 amps
350 = 350 amps
400 = 400 amps
500 = 500 amps
600 = 600 amps
700 = 700 amps
800 = 800 amps
1K1 = 1100 amps
1K4 = 1400 amps
1K6 = 1600 amps
1K8 = 1800 amps
2K1 = 2100 amps

9. Nominal Voltage Supplied to SCR
1 = 100/120VAC Nominal. Max Range 90-135V.
2 = 200, 208, 220, 230 or 240VAC Nominal. Max Range 180-265V
3 = 277VAC Nominal. Max Range 249-305V
4 = 380, 400, 415, 440 or 480VAC Nomimal. Max Range 342-528V
5 = 600VAC Nominal. Max Range 540-660V
6 = 690VAC Nominal. Max Range 621-759V

10. Additional Options
A = Current Limit Loop & Analog Retransmit Output 1
B = None
C = Current Limit Loop
D = Analog Retransmit Output 1
Note: Cnrrent Limit Loop only available with 1-phase, 1-leg and 3-phase, 3-leg models (DT1 and DT3). Exception: Current Limit Loop not available with the 35A and 40A 3-phase, 3-leg models.

11. Cooling Fan Voltage*
0 = No fan - option only valid for models 60A or less
1 = 120VAC
2 = 240VAC
3 = 24VDC
* Cooling Fan Voltage required on models 90A or more.
No fan option required for models 60A or less.

12. Additional Wired Communications (Modbus RTU-485 comes standard in all models)
0 = No additional wired communications
1 = Modbus TCP
3 = Profibus DP
4 = Profinet
5 = EtherNet/IP
Note: all additional communication options include auxiliary 24VDC backup power supply for communications.

13. Wireless Communication and Data Logging
A = None
C = Data Logging with Battery Backup and Real Time Clock*
* 40A and lower models do not include battery backup or real time clock.

14-15. Custom Options
AA = Standard with user manual documentation
AB = Standard without user manual documentation
This page last modified on 1/13/2023
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