WATLOW QPAC 480V 800A 3 PHASE Q33 SCR MODULAR POWER CONTROL Q33-481-800-AFO

Description

Watlow
Q33-481-800-AFO Modular SCR Power Control -- 3 pairs of SCR/Diodes power bases with three 110v fans --  60 hz / 3 phase unit rated at 480 volts/800 amps -- app. 000 new --
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light wear to this unit from use - - Not Tested -- was working fine when recently removed from service
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info from Watlow:
Modular SCR
Power
Controller for Custom
Tailoring to the Application
The QPAC SERIES from Watlow
®
is a modular Silicon
Controlled Rectifier (SCR) power controller with plug-in
features for flexibility. Bases are rated from 150 to 1000
amperes in one-phase, three-phase, two leg and three-phase,
three leg.
A variety of transformers are available (NOT INCLUDED) from 120 to 575VAC along
with 50/60Hz operation enable the QPAC to operate in
applications anywhere. Plug-in control cards set the
QPAC’s SCR firing modes; solid state contactor, burst
firing (zero cross) or phase-angle models are available with
a wide variety of options. This power controller includes 200KA
short circuit current rating (SCCR) and high speed fuses to
minimize damage in the event of a short circuit.
®
WIN-QPAC-0613
Features and Benefits
200KA short circuit current rating (SCCR)
•
Minimizes damage in the event of a short circuit
Modular power controller
•
Unit base can be fitted with a variety of plug-in
transformers and control cards
Available in 150 to 1000 ampere ratings
•
Handles large or small loads
Available in solid state contactor, burst firing
(zero cross) or phase-angle fired mode
•
Meets most application requirements
Rugged design for 122°F (50°C) ambient operation
•
Full rating of the power controller can be used in
industrial applications
Semiconductor fuses and snubber protection NOT included
•
Protects the SCR from voltage or current surges or spikes
Open heater or shorted SCR
detector option
•
Diagnostic capabilities
UL
®
508 listed and C-UL
®
up to 1000 amperes
TYPICAL APPLICATIONS:
•
Furnace and ovens
•
Petrochemical
•
Heat treating
•
Duct heating
•
Environmental chambers
•
Kilns
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