Watlow ASPYRE Data sheet

Modular and Scalable

“N

ow With

690VAC

for 60-700A

Models”

“N

ow With

690VAC

for 60-700A

Models”

Power Controller Family
Ideal for a Wide Range of
Applications

SPECIFICATION SHEET

ASPYRE® Power Controllers

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.

This 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

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

Typical Applications

• Furnace and ovens • Oil and gas

• Autoclaves • HVAC

• Kilns • Textiles

• Heat treatment • Plastics

• Glass industry • Packaging

• Semiconductor • Petrochemical

• Power generation • Dryers and curing

Specifications

Power Bases

• Single-phase, 1 controlled leg (2 SCRs)

• Three-phase, 2 controlled legs (4 SCRs)

• Three-phase, 3 controlled legs (6 SCRs)

Load Amp Range

• 35A to 700A @ 40°C ambient

• Amperage derating curve for other ambient temperatures

SCR and Amperage Rating

• Latching current 1A min.

• Power dissipation: approximate 1.25 to 1.5 watts per amp
per controlled leg

• Leakage current: 15mA

• SCCR rating 100,000A up to 600VAC

Line and Load Voltage Range

• 24 to 480V

• 24 to 600V

• 24 to 690V

Voltages -/+ 10% min./max.
690VAC only available for 60A and greater models

• Isolation voltage 2500V

Voltage frequency

• 50 to 60Hz

• Automatically compensates for 47 to 70Hz

Controller Operating Supply Voltage

Nominal Line Voltage (VAC) RMS Max. Operating Range

• 100/120VAC • 90 to 135VAC

• 200/208/220/230/240VAC • 180 to 265VAC

• 277VAC • 249 to 305VAC

•

380/400/415/440/480VAC

•

600VAC

•

690VAC

Control Modes and Load Types

• Voltage, voltage squared, current, current squared, power,
open loop and external

• All control modes available with any ring type
combination

• Normal resistive loads: nichrome, infrared lamps;
medium and long waveform

• Others: Moly (Kanthal® Super), transformers, silicon
carbide, UV lamps, tungsten

Digital Inputs 1 and 2

• ON >=4VDC, OFF <= 1VDC

• 4-30VDC @ 5mA max.

• Digital input functions: enable, change to V feedback, local/
remote set point enable, change ring between phase
angle and default ring mode, ref 1 / 2 selection, log enable,
bakeout enable

• A switched VDC control output can be connected to the
digital input as an open loop control mode command signal

Output Control Firing Types

• Zero crossing

• Single cycle

• Burst ring with delayed triggering, safety ramp and peak
current limit options

• Burst ring with soft start option (phase angle soft start
switching over to burst ring)

• 342 to 528VAC

• 540 to 660VAC

• 621 to 759VAC

Output Control Firing Types (Con’t)

• Phase angle with soft start option

• 1-phase models will include phase angle ring

• 2-phase models are not available with phase angle ring

• 3-phase models from 60 to 500 amps will include phase
angle ring

• 3-phase models from 35 to 40 amp are not available with
phase angle ring

• All models capable of phase angle ring can include
Current Limiting and Heater Bake out functions

• Heater Bakeout and current limit functions require the
Current Limit Loop option

• Current Limit Loop can be ordered as an option in digit
10 of the part number

• If a model does not have phase angle ring it cannot do

Current Limiting, Heater Bakeout, Start Ramp, Safety
Ramp or Delayed Triggering

• Half cycle with start ramp and peak current limit options

Firing Type

Combinations Available

Zero Crossing
Zero Crossing + Start

Ramp
Zero Crossing + Start

Ramp + Soft Start
Zero Crossing + Soft Start X X X
Burst Firing X X X
Burst Firing + Soft Start X X X
Burst Firing + Start Ramp X X

Burst Firing + Start Ramp
+ Soft Start

Single Cycle X

Single Cycle + Soft Start X

Phase Angle X X

Phase Angle + Soft Start X X

Half Cycle X

Half Cycle + Soft Start X

Burst Firing + Delayed
Triggering + Soft Start

Burst Firing + Delayed
Triggering

Burst Firing + Delayed
Triggering + Safety Ramp

Burst Firing + Delayed
Triggering + Safety Ramp
+ Soft Start

Half Cycle + Safety Ramp X

Half Cycle + Safety Ramp
+ Peak Current Limit

1 Phase,

1 Controlled

Leg

X X X

X X

X X

X X

X X

X X

X X

X X

X

3 Phase,

2 Controlled

Legs

Analog Inputs 1 and 2

• Voltage

• 0-10VDC

• 15KΩ impedance

• Current

• 4-20mA, 0-20mADC

• 100Ω impedance

• Potentiometer

• 10KΩ min.

3 Phase,

3 Controlled

Legs

2