SERIES
OPEN STYLE - 3 POLE, 30 AMP POWER RELAY
425
The series 425 Power relay is capable of handling up to 30 Amps and
1 Hp Loads. The Series 425 has sufficient spacing to allow for 600
Vac contact ratings . The Design features a enclosed coil, Screw
Terminals and Silver Cadmium Oxide contacts as standard.
The Series 425 has a wide choice of options to choose from.
OUTLINE DIMENSIONS
Dimensions shown are in INCHES and (millimeters)
3PDT
3.24
(82.3)
CONTACT LOAD RATINGS 3 POLE RELAYS
Load
General Duty
Motor (45% PF)
30/DC
30A
1Ø 1HP◊
120-240/AC 208-240/AC
277/AC
17A
-
600/AC
10A
-
0.20 Dia.Typ.
1.675
(42.5)
25A
25A
1Ø 1HP◊
3Ø 3HP
◊ PER POLE
1.875
(47.6)
COIL SPECIFICATIONS 3 POLE RELAYS @ 25˚C
2.50
(63.5)
Resistance
Ohms ± 10%
Power
Current (MA)
Nominal
Voltage
Resistance
Ohms ± 10%
UP
Consumption
AC
1.8
6.7
AC
1600
820
410
85
AC
DC
35.5
142
568
2980
-
DC
333
169
84
18-21 11VA
-
-
DC
12
24
48
120 *
240 **
480
11VA
11VA
11VA
4.0W
4.0W
4.0W
4.0W
27
170
680
2720
VERTICAL MOUNTING
RECOMMENDED WITH
CONTACTS UP
43
22
11VA
11VA
-
* AC Coil is 120V, 50/60Hz, DC Coil is 110-125VD
** For 220 VDC use 3600 Ω, 10 Watt resistor in series with 110 VDC relay.
1, 2, and 3 Pole Relays
Min. Operate:
AC: 85% of nominal Voltage or less @ 25˚C
DC: 75% of nominal Voltage or less @ 25˚C
Max. Over Voltage: 110% of nominal
ULRecognized
File No. E13224
GENERAL SPECIFICATIONS
Struthers-Dunn
ORDERING CODE
Typical Type No.
CONTACTS
Contact Material:
Silver Cadmium Oxide.
425 XCX
-120A
Series
TIMING
425 Screw Terminal, 30A, 1-3 Pole
Contact Arrangements
Operate Time:
Release Time:
30 mS Max. @ Nominal Voltage.
15 mS Max. @ Nominal Voltage.
Insulated Armature Types (600V)
INSULATION CHARACTERISTICS
Dielectric Strength
2500 V rms between Mutually insulated
current carrying parts and those parts to
ground.
CXX 3PST-NO
XCX 3PDT
Insulation Resistance:
500 VDC Exceeds 1000 Megohms.
Options
ENVIRONMENTAL CAPABILITIES
Tungsten Contacts (High Inrush) - CODE W
0.25 inch quick connect terminals- CODE 18
Ambient Temperature Rating:
AC: -55˚C to +45˚C @ Rated Operation.
DC: -55˚C to +80 ˚C
1 Aux. Contact (SPDT Snap Switch, 10A ) - CODE 90
2 Aux. Contact (SPDT Snap Switches, 10A ) - CODE 91
LIFE EXPECTANCY
Mechanical:
10 Million Operations no load
100,000 Operations @ Rated Load.
Electrical:
Coil Voltage
AC: 6, 12, 24, 48, 120, 240, 480 (Add "A")
DC: 6, 12, 24, 48, 110 -125 (Add "D")
MISCELLANEOUS
Enclosure:
Open Style
Small Base 9oz. large base 11 oz.approx.
Weight:
WEBSITE: www.magnecraft.com EMAIL:info@magnecraft.com FAX ON DEMAND 1-800/891-2957, DOCUMENT 100
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