Hubbell Industrial Controls, Inc.
Euclid™ Lifting Magnet Controller
4296
Resistor Type Manual Discharge
Specifications 4296 • March 2004 • Replaces July 1998
Features
ƒ Front-Wired Front-Removable components.
ƒ Mechanically interlocked "LIFT" and
"DROP" contactors.
ƒ Permanently connected discharge path
completely independent from the line.
ƒ High-Thermal capacity resistor discharge
path.
ƒ Peak magnet induced voltage limited to
600 volts.
ƒ Long electrical contact life.
ƒ Minimum Maintenance.
ƒ Dribble control - Standard.
ƒ Ventilated NEMA 3R Enclosure.
Application
The Euclid Type 4296 Lifting Magnet Con-
trollers are suited for many uses from light
scrap handling to the handling of heavy billets
or plates. It may be used with all types and
makes of dc lifting magnets.
Description
The Euclid Type 4296 Magnet Controllers
incorporate heavy duty time proven compo-
nents arranged to provide optimum control of
your lifting magnets.
A mechanically rugged high thermal capacity
discharge resistor assembly is permanently
connected in parallel with the magnet and
provides a safe discharge path for the stored
magnetic energy. With Euclid magnet con-
trollers, induced volts cannot return to the line,
permitting rectified power supplies to be used
without the added expenses of special pro-
tective loads or by-pass circuits.
Manual Discharge
Type Controller
The Euclid Type 4296 Manual Discharge
Type Lifting Magnet Controller provides for
optimum operator control over the release of
SYMBOL
FUNCTION
CONTROL FUSE
SYMBOL
FUNCTION
magnet loads.
CFU
RR
DR
LR
D
DISCHARGE RESISTOR
REVERSE CURRENT RESISTOR
DIODE
FORCING RESISTOR (IF USED)
DROP CONTACTOR
The Manual Discharge Type Controller is
controlled via a three (3) position master
switch, which places the full control of the
"Lift", "Fan" and "Clean" functions directly
under the control of the operator. The Manual
Discharge Type of controller is best suited for
applications requiring accurate load control
rather than operational speed.
D2
RECTIFIER, MAGNET DISCHARGE
PATH
D1
1L, 2L
LIFT CONTACTOR
MOV
SURGE SUPPRESSOR
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