Hubbell Lifting Magnet Controllers 4292 Users Manual

4292 to the manual 94e958ed-c03d-4541-a4a7-fed61b219403

2015-02-09

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Hubbell Industrial Controls, Inc.

4292

Lifting Magnet Controllers
Type 4292 Compact Controller for Scrap Yards

Specification/Price Sheet • August 2008 • Replaces Jan 2008

Description

Automatic
Discharge
Type
Controllers

The Type 4292 Yardmaster

Controllers

incorporated heavy-duty
time proven components
arranged

provide

Automatic Discharge Type

optimum control of your

Lifting Magnet Controller

lifting magnets.

provides a fast and clean

A mechanically rugged

release of mag-net loads

high

to

The Type 4292 Yardmaster

thermal

by applying full voltage

capacity

discharge

varistor

assembly is permanently
connected

in

charge

a

parallel

safe

dis-

for

the

path

stored magnetic energy.
With Yardmaster magnet controllers, induced
voltage

cannot

return

to the line, permitting
rectified power supplies
to

be

used

without

or bypass circuits.

Application
The Type 4292 Yardmaster Controllers 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.

to

the

magnet.

The full voltage

permits the operator to
promptly return for another
lift.

Features
•	
•	
•	
•	
•	

the added expense of
special protective loads

current

re-verse current feature

with the magnet and
provides

reverse

•	
•	
•	
•	
•	
•	

Automatic Discharge
Rated 250 VDC @ 5-100 amps
Front-Wired Front-Removable components
Mechanically interlocked “Lift” and “Drop”
NEMA rated mill duty contactors
Permanently connected 700V discharge
path completely independent from the
line that protects magnet and generator
High-Thermal capacity varistor discharge
path
Peak magnet induced voltage limited to
under 700 Volts
Long electrical contact life
Minimum Maintenance
Dribble control - Standard
Ventilated indoor/outdoor NEMA 3R
enclosure

The

drop

contactor

is

under the control of the
operator’s Master Switch
and the dis-charge sensor
module (DSM).
the

When

operator’s

Master

Switch signals the magnet
controller to drop the load,
the “Lift” contactors (L)
open. The stored magnet
energy is dissipated in the
dis-charge varistor. When
the

discharge

voltage

declines to approximately
300V, the DSM energizes
the drop relay (DR) which
in turn enables the drop
contactor

(D)

to

close

applying full voltage reverse
cur-rent to the magnet and
begin the adjust-able time
reverse current cycle. After
the completion of the timed
reverse cycle the drop
relay and drop contactor
are deenergized.

Model Numbers & Prices
Part
Number

Control Circuit
Voltage

List Price
(Sch. KD)

HC91883202

230 VDC

$5,600

HC91883204

24 VDC

$5,600

HC91883206

12 VDC

$5,600
(Sch. ET)

HCTA4215

Master Switch for
230 VDC Operation

$450

Controller ampacity is based on being used with a 50% duty
magnet in a 40° C ambient.

Hubbell Industrial Controls, Inc.
a subsidiary of Hubbell Incorporated
4301 Cheyenne Drive, Archdale, NC 27263
Telephone (336) 434-2800 · Fax (336) 434-2803
http://www.hubbell-icd.com
[email protected]



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