Hubbell Euclid Lifting Magnet Controller 4295 Manual de usuario
Hubbell Industrial Controls, Inc.
Euclid™ Lifting Magnet Controllers 4295
Resistor Type Automatic Discharge
Specifications 4295 •March 2004 • Replaces July1990
Page 1 of 2
Features
Front-Wired Front-Removable components.
Mechanically interlocked "LIFT" and "DROP"
contactors.
Permanently connected discharge path com-
pletely independent from the line.
High-Thermal capacity resistor discharge path.
Peak magnet induced voltage limited to under
900 volts.
Long electrical contact life.
Minimum Maintenance.
Dribble feature - Standard.
Ventilated NEMA 3R Enclosure.
Description
The Euclid Type 4295 Magnet Controllers incorpo-
rate heavy duty time proven components arranged
to provide optimum control of your lifting magnets.
A mechanically rugged high thermal capacity dis-
charge resistor assembly is permanently connected
in parallel with the magnet and provides a safe
discharge path for the stored magnetic energy.
With Euclid magnet controllers, induced volts can-
not return to the line, permitting rectified power
supplies to be used without the added expense of
special protective loads or by-pass circuits.
Automatic Discharge
Type Controllers
The Euclid Type 4295 Automatic Discharge Type
Lifting Magnet Controller provides a fast and clean
release of magnet loads by applying full voltage
reverse current to the magnet. The full voltage
reverse current feature permits the operator to
promptly return for another lift.
The drop contactor is under the control of the op-
erator's Master "Switch" and the discharge sensor
module (DSM). When the operator's Master
"Switch" signals the magnet controller to drop the
load, the "LIFT" contactors (1L+2L) open. The
stored magnet energy is dissipated in the discharge
resistor. When the discharge voltage declines to
approximately 300 volts, the discharge sensor
module (DSM) energizes the drop relay (DR) which
in turn enables the drop contactor (D) to close ap-
plying full voltage reverse current to the magnet and
begin the adjustable time reverse current cycle.
After the completion of the timed reverse cycle the
drop relay (DR) and drop contactor (D) are de-ener-
gized.
Type Controllers
The Euclid Type 4295 Lifting Magnet Controllers
are suited for many uses from light scrap handling
to the handling of heavy billets of plates. It may be
used with all types and makes of dc lifting magnets.
SYMBOL FUNCTION SYMBOL FUNCTION
DR DROP RELAY MOV SURGE SUPRESSOR
P1 POTENTIOMETER RES1 DISCHARGE RESISTOR
CFU CONTROL FUSE RES2 FORCING RESISTOR (IF USED)
RFU DROP FUSES DSM DISCHARGE SENSOR MODULE
D2 DIODE D DROP CONTACTOR
D1 RECTIFIER, MAGNET DISCHARGE
PATH 1L, 2L LIFT CONTACTOR
Euclid™ Lifting Magnet Controller :: Resistor Type Automatic Discharge 4295
Hubbell Industrial Controls, Inc.
A subsidiary of Hubbell Incorporated
4301 Cheyenne Dr., Archdale, NC. 27262
Telephone (336) 434-2800 • FAX (336) 434-2803
http://www.hubbell-icd.com
APPROXIMATE DIMENSIONS & WEIGHTS
DO NOT USE FOR CONSTRUCTION PURPOSES
CABINET OUTLINE SIZE 1, 2, 3 & 4 J2M4215
Full Voltage Controllers
CONTROLLER
SIZE W H D M MW MH NET WT.
1C
1
2
3
4
16.37"
16.12"
16.12"
19.12"
19.12"
12.00"
21.90"
21.90"
27.90"
27.90"
11.00"
10.00"
10.00"
14.25"
14.25"
14.00"
24.25"
24.25"
30.25"
30.25"
9.50"
11.50"
11.50"
14.50"
14.50"
12.64"
23.00"
23.00"
29.00"
29.00"
Consult
Factory
FULL VOLTAGE MANUAL DISCHARGE TYPE
Size System
Voltage
Control
Voltage
Magnet
Current
Part
Number
Min
Cold
Magnet
Ohms
Max
Cold
Magnet
Ohm
1C 300 max. 12 7.0 - 13 91911-005 19.23 32.86
1C 300 max. 24 7.0 - 13 91911-XXX 19.23 32.86
1C 300 max. 12 13 - 25 91911-006 10.00 17.69
1C 300 max. 24 13 - 25 91911-XXX 10.00 17.69
1 230/250 230/250 7.0 - 13 91843-202 19.23 32.86
1 230/250 230/250 13 - 25 91813-202 10.00 17.69
1 300 max. 24 13 - 25 91915-004 10.00 17.69
1 300 max. 12 13 - 25 91915-002 10.00 17.69
2 230/250 230/250 25 - 50 91814-202 5.00 9.20
2 300 max. 24 25 - 50 91877-202 5.00 9.20
2 300 max. 12 25 - 50 91877-XXX 5.00 9.20
3A 230/250 230/250 50 - 85 91815-202 2.94 4.60
3A 300 max. 24 50 - 85 91880-202 2.94 4.60
3A 300 max. 12 50 - 85 91880-XXX 2.94 4.60
3B 230/250 230/250 85 - 130 91816-202 1.92 2.71
3B 300 max. 24 85 - 130 91863-202 1.92 2.71
3B 300 max. 12 85 - 130 91863-XXX 1.92 2.71
4 230/250 230/250 130 - 175 91817-202 1.43 1.77
4 300 max. 24 130 - 175 91861-202 1.43 1.77
4 300 max. 12 130 - 175 91861-XXX 1.43 1.77
* Controller ampacity is based on being used with a 50% duty magnet in a 40° C ambient.
PILOT DEVICES & ACCESSORIES ADDITIONS
FOR MAGNET CONTROLLER
DESCRIPTION PART
NUMBER
"Lift-Drop" NEMA 1 enclosed Master Switch
(Standard for Euclid Lifting Magnet Controllers) J2M4215
"Lift-Drop" NEMA 3R enclosed Master Switch Consult Factory
Type 4211, Catalog #4211-125MISXI "Lift-Drop"
NEMA 1 Surface Mounting Master Switch 4211-99848-001
Type 4211, Catalog #4211-125MIFXI "Lift-Drop"
NEMA 1 Flush Mounting Master Switch 4211-99848-002
Type 4216, Catalog #SWPBC-MXI "Lift-Drop"
NEMA 4 Maintained Type Surface Mounting
Push Button Station
Consult Factory
These Pilot Devices are arranged to permit "Dribbling" when
used with Euclid Magnet Controllers.
HOW TO ORDER
Refer to Price List 4295
1. Specify Magnet
Operating Circuit,
COLD.
2. Size of Controller &
Voltage
3. Magnet controller Pilot
Devices and
Accessories are
additions.
4. Order by Part Number
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