SERIES
MOTOR REVERSING CONTACTOR, 1 & 3 HP, 6 POLE
A275
GENERAL SPECIFICATIONS
COIL
Pull-in Voltage:
AC: 85%, DC: 80% of nominal voltage
measured at 25˚C
Dropout Voltage:
Max. allowed voltage:
Coil Resistance:
10% of nominal voltage or more @ 25˚C
110% of nominal voltage
±10% Measured @ 25˚C
CONTACTS
Contact Material:
Silver Cadmium Oxide.
TIMING
Operate Time:
50 mS Max. @ Nominal Voltage.
30 mS Max. @ Nominal Voltage.
Release Time:
DIELECTRIC STRENGTH
All Mutually Insulated Points: 2500 V rms between all mutually
Insulated current carrying parts and
those parts to ground.
500 VDC Exceeds 1000 Megohms.
Insulation Resistance:
TEMPERATURE
Temperature Rating:
AC: -45˚C to +50˚C @ rated operation.
DC: -45˚C to +70 ˚C @ rated operation.
LIFE EXPECTANCY
Mechanical:
5 Million Operations no load
Electrical:
100,000 Operations @ Rated Load.
500,000 Operations @ 1/2 rated load.
MISCELLANEOUS
Weight:
1 pound, approx..
CONTACT RATINGS
DC COIL SPECIFICATIONS @ 25˚C
AC CONTACTS: Rated with all contacts in use, not rated per pole.
Nominal
Voltage
Resistance Power
Ohms ± 10% Consumption
VOLTAGE
(60HZ)
MOTOR
LOADS (HP)
RESISTIVE
LOAD (AMPS)
PHASE
31.0
125
210
500
12
24
32
48
120
4.5W
4.6W
4.9W
4.6W
1 - 2 - 3
1
2 - 3
2 - 3
15
10
10
5
120
240
240
480/600
1
1.5
3
3
3240
4.4W
Polypropylene encapsulated coils
DC CONTACTS
AC COIL SPECIFICATIONS @ 25˚C
RESISTIVE
LOAD (AMPS)
VOLTAGE
(DC)
Nominal
Voltage
12V/50-60hz
Resistance Power
Ohms ± 10% Consumption
15
5
30
125
17VA
1.24
4.63
125
500
16.7VA
16.8VA
16.8VA
24V/50-60hz
110V/50-120V/60hz
220V/50-240V/60hz
600 volt spacing to ground.
300 volt spacing for auxiliary contacts.
WEBSITE: www.magnecraft.com EMAIL:info@magnecraft.com FAX ON DEMAND 1-800/891-2957, DOCUMENT 100
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